HELP ASAP GIVING BRAINLIST!!!!!!!!!!!!

HELP ASAP GIVING BRAINLIST!!!!!!!!!!!!

Answers

Answer 1

Problem 11

Answer: -4x^2 - 6  (choice 3)

Work Shown:

P = 4x^2-x+1

Q = -6x^2+x-4

P+Q = sum of P and Q

P+Q = (4x^2-x+1)+(-6x^2+x-4)

P+Q = (4x^2-6x^2)+(-x+x)+(1-4)

P+Q = -2x^2+0x-3

P+Q = -2x^2 - 3

2*(P+Q) = twice the sum of P and Q

2*(P+Q) = 2*(-2x^2 - 3)

2*(P+Q) = 2(-2x^2) + 2(-3)

2*(P+Q) = -4x^2 - 6

======================================================

Problem 12

Answer: 6x^3 + 4x^2 - 34  (choice 1)

Work Shown:

y = 3x^3 + x^2 - 5

z = x^2 - 12

2(y+z) = 2(3x^3 + x^2 - 5      +   x^2-12)

2(y+z) = 2(3x^3 + 2x^2 - 17)

2(y+z) = 2(3x^3) + 2(2x^2) + 2(-17)

2(y+z) = 6x^3 + 4x^2 - 34

Answer 2

Answer:

11. 3

12. 1

Step-by-step explanation:

11.

[tex](4x^2-x+1)+(-6x^2+x-4)\\4x^2-x+1-6x^2+x-4\\-2x^2-3[/tex]

Double that

[tex](2)(-2x^2-3)\\-4x^4-6[/tex]

----------------------------------------------------------

12.

[tex]y=3x^3+x^2-5\\z=x^2-12[/tex]

[tex]2(y+z)\\2(3x^3+x^2-5+x^2-12)\\2(3x^3+2x^2-17)\\6x^3+4x^2-34[/tex]


Related Questions

How do I use D = rt to find the distance (D) where r = 6 and t =9?

Answers

Answer:

The answer will be 54

Step-by-step explanation:

D = r x t

R equals to 6 and t equals to 9

So, substitute r with 6 and t with 9 which will give you distance = 6 x 9 = 54

2) Shawn's cat is currently stuck in a tree. Shawn has a ladder that is 15 feet long and he places the ladder 10 feet from the base of the tree. At what angle of depression is Shawn's cat looking at him?

Answers

Answer:

48.19°

Step-by-step explanation:

Check the attachment for the diagram.

The set up is a right angled triangle

Using the SOH, CAH, TOA trigonometry ratio to get the angle of depression theta.

The length of the ladder will be the hypotenuse of the triangle.

If he places the ladder 10 feet from the base of the tree, the adjacent of the triangle will be the base of the triangle.

Given Hypotenuse = 15feet

Adjacently = 10feet

According to CAH;

cos(theta) = Adjacent/Hypotenuse

cos(theta) = 10/15

cos(theta) = 2/3

theta = arccos(2/3)

theta = 48.19°

Shawn cat is looking at him at an angle of depression of 48.19°

How do I solve this problem? I need to find the volume of this composite figure.

Answers

Step-by-step explanation:

V = (12*4*5) + (2*3*5) + (5*3*5) + (12*4*5)

V = 240 + 30 + 75 + 240

V = 585 cm^3

I NEED HELP NOWwwwwwww

Answers

Answer:

523 cm^3

Step-by-step explanation:

The volume of a sphere  is

V = 4/3 pi r^3

V = 4/3 (3.14) (5)^3

V = 523.33333

Rounding to the nearest whole number

V = 523

help me please i am confused on what to do

Answers

It would be 32 minutes
20 /150= then multiply by 240

80 POINTS! Help with this question please!!!! 80 POINTS!

Answers

Answer:

C. Translation 5 units left and 2 units down

Step-by-step explanation:

Let's take a look at A', which is (0, 0). This is the result of A, which is (5, 2) being transformed somehow. Notice that the x-coordinate moved 5 units to the left (from 5 to 0, which means we subtract 5 from 5). And, notice that the y-coordinate moved 2 units down (from 2 to 0, so we subtract 2 from 2).

Look to see if this works for the other two points:

B(6, 1): if we subtract 5 from the x-coordinate 6, we get 6 - 5 = 1, which matches the x-coordinate of the image B'. If we subtract 2 from the y-coordinate of B, which is 1, we get 1 - 2 = -1, which also matches the y-coordinate of B'. So, this works.

C(4, 5): if we subtract 5 from the x-coordinate 4, we get 4 - 5 = -1, which matches the x-coordinate of the image C'. If we subtract 2 from the y-coordinate of C, which is 5, we get 5 - 2 = 3, which also matches the y-coordinate of C'. So, this again works.

Therefore, we know that the transformation is a translation 5 units left and 2 units down, or C.

A picture will be shown below of a graph with the points in the table.

We only need to use (5, 2) and (0, 0) to solve this problem.

We take both points and see what it took for the old point to get to where the new point is (Shown in picture below).

Therefore, the answer is [ C. Translation 5 units left and 2 units down ]

Best of Luck!

PLEASE HELP I'VE ASKED THIS 2 TIMES NOW PLEASE HELP

Can adjacent angles be complementary?

Give a brief explanation as to why or why not.

Answers

Answer:

Two adjacent angles can be complementary

Step-by-step explanation:

if they add up to 90°. For example, a diagonal of a square will split the right angle into two equal angles; 45°+45°. In a right triangle, the altitude from a right angled vertex will split the right angle into two adjacent angles; 30°+60°, 40°+50°, etc.

WHAT IS 666x666 help me

Answers

Answer:

666 x 666 = 443,556

Answer:

443556

Step-by-step explanation:

666 * 666 = 443556

666

x666

-------

443556

eric bought 4 pairs of sports socks for $9. How many pairs of socks can he buy for $13.50.

Answers

He can buy 5 or 6 socks for $13.50 :)

Answer:

the answer is 6 pair of socks

Step-by-step explanation:

because one pair of socks is 2.25

so 6×2.25 is 13.50

What is the result of substituting for y in the bottom equation?
y = x + 3
y = x2 + 2x - 4

Answers

Answer:

The correct option is (B).

Step-by-step explanation:

We need to find the result of substituting for y in the bottom equation.

Equation (1) is : [tex]y=x+3[/tex]

Equation (2) is : [tex]y=x^2+2x-4[/tex]

Put the value of y form equation (1) to equation (2) such that,

[tex]x+3=x^2+2x-4[/tex]

It can be seen from the above equation, that option (2) is same as above equation.

Hence, the correct option is (B).

What is the 14th term in the sequence 6n + 1

Answers

Answer:

85

Step-by-step explanation:

6(14)+1=

84+1=

85

Hope this helps! please mark brainliest :)

ABC is a straight angle.which equation can be used to find the measure of the unknown angle?

Answers

Answer:

Straight angles are all 180 degrees, so it must be an equation that equals 180. I hope that this helps! be saffffeee!

Answer:

140 x 180

Step-by-step explanation:

please please help i will mark brainlist

Answers

Answer:

Answer is option a) 4/5

Here value of opposite side is 40

And the value of hypotenuse is 50

Step-by-step explanation:

[tex] \sin(C) = \frac{opposite \: side \: }{hypotenuse} \\ = \frac{40}{50} \\ = \frac{4}{5} [/tex]

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION.

Please help asap! Will give brainliest! Please answer correctly! No guessing. Check all that apply.

Answers

Answer:F

Step-by-step explanation:

Answer:

i honestly think that its A, C, D, F.

Step-by-step explanation:

for the A i think that you need to write down the facts so you dont forget and you remember when someone asks you a question.

For C you should gather your resources so you can do the experiment again if your not satisfied with the first result.

For D you should draw a diagram so you can keep track of your information that you used to get the final solution.

For F, you should always make sure that you didn't mess up and that you can redo it to double check.

What is the value of the 6 In the number 48.061

Answers

Answer:

.06 or six hundredths

Step-by-step explanation:

Answer:

Hundredth place

Charlotte have 36 apple,Dylan have 1 apple and Kevin have 56 apple how many apples are left?

Answers

Answer:

93 apples?

Step-by-step explanation:

36 + 1 + 56 = 93 apples?

The perimeter of quadrilateral ABCD is 640. The perimeter of quadrilateral LMNO is 144. What is LM

Answers

Answer:

LM = 36

Step-by-step explanation:

A quadrilateral is a shape with 4sides. There are different type of quadrilateral such as square, rectangle, trapezium, parallelogram, kite and rhombus.

Perimeter of a quadrilateral is the addition of all 4 sides.

Since the shape is not specified neither is there a diagram, let's assume the quadrilateral is a square.

See attachment for diagram used in solving the question.

Perimeter of square = length+ length+ length+ length

= 4× length

Perimeter of quadrilateral ABCD:

640 = 4×length

Length = 640/4

Length = 160

Perimeter of quadrilateral LMNO:

144 = addition of all 4 lengths

144 = LM + MN + NO +OL

Since we are considering a square all the sides are equal.

LM = MN = NO = OL

144 = 4×LM

LM = 144/4

LM = 36

A lodge rents snowboards for $40/day plus a $20 flat fee for safety gear. Write an equation to represent the relationship between the total cost, c, and number of days renting a snowboard, d.

Answers

Answer:

(40+20)^d=c

Step-by-step explanation:

Answer:= let me double check yall

Step-by-step explanation:40+20+c+d

What is the volume, in cubic in, of a rectangular prism with a height of 6in, a width of 10in, and a length of 2in?

Answers

The answer is 120

do 6 times 10 = 60

then 60 x 2 = 120 cubic in

120 cubic in is the volume of the rectangular prism.

What is volume?

Volume, which is measured in cubic units, is the 3-dimensional space occupied by matter or encircled by a surface. The cubic meter (m³), a derived unit, is the SI unit of volume. Volume is another word for capacity.

The volume of a rectangular prism is given by the formula:

V = lwh,

where l is the length, w is the width, and h is the height.

Plugging in the given values, we get:

V = (2 in) x (10 in) x (6 in)

V = 120 cubic in

Therefore, the volume of the rectangular prism is 120 cubic in.

Learn more about Volume here:

https://brainly.com/question/1578538

#SPJ3

Denzel wants to walk to the store from his house but he is not sure how far away it is. Find the distance between his house

(-8, -9) and the store (-4, -10). Each unit is equal to one mile. Round your answer to the nearest mile.



22 miles


4 miles


31 miles


17 miles

Answers

Answer:

4 miles

Step-by-step explanation:

Suppose we have two points:

[tex]A = (x_{1}, y_{1})[/tex]

[tex]B = (x_{2}, y_{2})[/tex]

The distance between these points is:

[tex]D = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}[/tex]

In this question:

Points (-8, -9) and (-4, -10).

So the distance is:

[tex]D = \sqrt{(-8 - (-4))^{2} + (-9 - (-10))^{2}} = \sqrt{17} = 4.12[/tex]

The distance is 4.12 miles.

Rounding to the nearest mile, 4 miles.

what is the slope of the equation 3y=9x-6?

Answers

Answer:

It's 3

Step-by-step explanation:

Just divide the entire equation by 3 to isolate the y variable on the left side.

y = mx + b (m is the slope)

and in this equation, after you divide by 3, the value of m is 3.

What were the causes of the American Revolution? *

Answers

Answer:

The Founding of the Colonies.

French and Indian War.

Taxes, Laws, and More Taxes.

Protests in Boston.

Intolerable Acts.

Boston Blockade.

Growing Unity Among the Colonies.

First Continental Congress.

Step-by-step explanation:

Find the slope: (-1,5) and (2,-3)

Answers

Answer:

-2/3

Step-by-step explanation:

Answer:

(-3-5)/(2-(-1))=-8/3

Step-by-step explanation:

A rectangular prism has a length of 12in, a height of 5in, and a width of 8in. What is its volume, in cubic in?

Answers

Answer: 480 in^3

Step-by-step explanation:

v= l * w*h

v = 12 * 8 * 5

v=  480

The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment. Why is a population that overshoots the carrying capacity can only do so for a limited amount of time?

Answers

Answer:

A population that overshoots the carrying capacity can only do so for a limited amount of time because: since the ecosystem already has the maximum number it can take for a given specie, overshooting the ecosystem will not last long as:

1. Competitions for the limited available space and resources will result to increase death rate and emigration from the environment.

2. Birth rate would be controlled as the rate resources are used is greater than they are replenished. This limits productivity among species.

Step-by-step explanation:

The carrying capacity of an environment, in simple terms is the amount of a given specie that the environment can sustain without depleting or degrading the available resources. Population size of an environment increases if birth rate increases and death rate decreases, and if the environment also experience an increase in species coming to live there than they are leaving the environment. In other words, when resources are limited it affects the population size of an environment.


a. How many groups of 6 erasers can be formed from the 18 erasers? Explain.
b. In how many ways can 3 aliens be selected? Explain.
c. In how many ways can 3 aliens and 3 flying saucers be selected? Explain.
d. What is the probability that 3 aliens and 3 flying saucers will be selected? Explain.
in​

Answers

Answer:

Step-by-step explanation:

Answer:

1.3  groups beucae 18/6=3.

b.???

c.what

d. ru serious

Step-by-step explanation:

A missing data value from a set of data has a z-score of –2.1. Fred already calculated the mean and standard deviation to be Mu = 43 and Sigma = 2. What was the missing data value? Round the answer to the nearest whole number. 39 41 45 47

Answers

Answer:

39

Step-by-step explanation:

i just did it on usa test prep

Using the normal distribution, it is found that the missing data value was of 39.

Normal Probability Distribution

In a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

It measures how many standard deviations the measure is from the mean. After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem, we have that:

[tex]\mu = 43, \sigma = 2, Z = -2.1[/tex]

The missing data value is X, hence:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]-2.1 = \frac{X - 43}{2}[/tex]

[tex]X - 43 = -4.2[/tex]

[tex]X = 38.8[/tex]

Rounding up, the missing data value was of 39.

More can be learned about the normal distribution at https://brainly.com/question/14424710

Ellen mixed \dfrac1{4}\text{ kg} 4 1 ​ kgstart fraction, 1, divided by, 4, end fraction, start text, space, k, g, end text of flour with \dfrac{2}{9}\text{ kg} 9 2 ​ kgstart fraction, 2, divided by, 9, end fraction, start text, space, k, g, end text of sugar.

Answers

Question:

Ellen mixed ¼ kg of flour with ²/9 kg of sugar.

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete. However, question that are likely to be asked are.

- What's the weight of the total mixture in grams

- What percentage of the mixture is sugar

To solve (1);

We simply add both weights together

But first, the units must be converted to grams.

1kg = 1000 grams

So,

¼kg = ¼ * 1000 g

¼kg = 250 g

²/9kg = ²/9 * 1000

²/9kg = 2000/9

²/9kg = 222.2 g

Add these results

Total = 250g + 222.2g

Total = 472 g

The result can be written in different ways

1. 472 grams

2. About 500 grams

If converted back to kg

472 grams = 472/1000 kg

472 grams = 0.472 kg.

So, the result can also be written as

3. 0.472 kg

4. About 0.5kg (½kg)

To solve (2)

What percentage of the mixture is sugar

To do this, we simply divide the size of sugar by the total size of the mixture.

From (1) above

Sugar = 250g

Total = 472g

Percentage of sugar = 250/472

Percentage of sugar = 0.5297

Percentage of sugar = 0.5297 * 100%

Percentage of sugar = 52.97%

Answer:

1/2

Step-by-step explanation:

I did it and it was write right hope it helps

A teacup has a radius of 5 centimeters. What is the teacup's diameter? Help please.

Answers

Answer:10

Step-by-step explanation:

Radius is half the diameter

Answer:

10 cm

Step-by-step explanation:

the radius is half the diameter so 5x2=10cm

I don’t know how to do this

Answers

Answer:

See attachment

Step-by-step explanation:

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