Help me please (18 brainly points)

Help Me Please (18 Brainly Points)

Answers

Answer 1
I think is b but if is not maybe this app can help you ( Socratic) if is not the answer sorry for not answering correct
Answer 2

Answer:

25.8

Step-by-step explanation:


Related Questions

Explain how to decide which is a better value. 4 greeting cards for $10 and 6 greeting cards for $14.

Answers

Answer:

I dont know if this is supposed to be solved a certain way for a class, but as a bargain shopper, this is what I would do to figure out the best value.

Step-by-step explanation:

First divide $10 by 4:   10.00/4=2.5 or $2.50 per card

Then, divide $14 by 6:  14.00/6=2.3333333 so about $2.33 per card

Now, just look at the two answers and see which one is less.

If you buy 4 cards for $10, you will pay $2.50 for each card and if you buy 6 cards for $14, you will pay about $2.33 for each card. Therefore, the better value would be the 6 cards for $14.

In 2016, the population of the United States was approximately 3.24 x 10^8. It is expected that the population will be about 3.98 x 10^8 in 2050. Which shows the growth in population, written in scientific notation?

Answers

Answer:

7.4 x 10^7

Step-by-step explanation:

3.98 x 10^8 - 3.24 x 10^8 = 0.74 x 10^8 (not scientific notation, because it isn't full number)

0.74 x 10^8 ---> 7.4 x 10^7

   - got seven by counting the spaces it moved over (right decrease, while left increases)

Question is in the photo above

Need the number of units.​

Answers

Answer:

Step-by-step explanation:

rectangle and triangle is here

area of triangle = 1/2 * 5 * 12 = 30

area of rectangle = 1 * 12 = 12

total is 12 + 30 = 42

PLEASE help ASAP will give brainliest

Answers

Answer:

1.Understand the problem

2.Gather your resources

3.Come to answer

4.Check your answer and present solution

Step-by-step explanation:

Answer:

Number 1 is gather your resources

Number 2 is understand the problem

Number 3 is come to an answer

and number 4 is check your answer and present the solution

If you are good at 9th grade math tell me and send me your number so we can text I really need a tutor or just help please

Answers

Answer:

I'm super sorry that i can't help but if i could get you to my brother and ask him for his number i bet he'll be able to help. ;) and if u r a girl he's pretty desperate for a girlfriend so ..... yeah

Step-by-step explanation:

hope this helps and also hope my brother can help byyyyyeeeee

I’m also in 9th grade and need help

This diagram shows a block of stainless steel. The mass of the block is 930g.

Calculate the density of stainless steel.

Giving away brainliest! PLEASE HELP :)

Answers

Answer:

the answer is  7.75 g/cm3

Step-by-step explanation:

hope this helps

The density of the given block of stainless steel is 7.75 g/cubic cm. The value is obtained by the ratio of its mass to its volume.

What is the density of the cuboid?

The cuboid has rectangular faces with length(l), width(w), and height(h). So, the density of the material which is required to make the cuboid is calculated as follows:

Density = mass/volume

Where the volume of the cuboid is the product of length, width, and height.

I.e., Density = mass/ (l × w × h)

Calculation:

The given block has

length(l) = 8cm

width(w) = 5cm

height(h) = 3cm

The mass of the block is given as 930g

So, the density of the stainless steel is

Density = 930g/(8 × 5 × 3) cm³

            = 930/120 (g/cm³)

            = 7.75 g/cm³

Therefore, the density of the block is 7.75 g/cubic cm.

Learn more about the density here:

https://brainly.com/question/21087073

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Graph the circle x2 + y² + 16x - 16y + 124 = 0

Answers

Answer:

the second option

Step-by-step explanation:

The graph of circle x² + y² + 16x - 16y + 124 = 0 is attached and circle has centre (-8, 8) and radius 2.

What is Circle?

A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre.

To graph the circle x² + y² + 16x - 16y + 124 = 0, we first need to rewrite it in standard form:

x² + 16x + y² - 16y + 124 = 0

(x² + 16x + 64) + (y² - 16y + 64) = -124 + 64 + 64

(x + 8)² + (y - 8)² = 4

Now we can see that the circle has center (-8, 8) and radius 2.

To graph it, we can plot the center point and then draw a circle with radius 2 around it.

Hence, the graph of circle x² + y² + 16x - 16y + 124 = 0 is attached and circle has centre (-8, 8) and radius 2.

To learn more on Circles click:

https://brainly.com/question/11833983

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A hemisphere has a diameter of 48 inches. What is the volume of the
hemisphere? Use 3.14 for and round to the nearest tenth.

Answers

Answer:

9,216π or 28,938.2 meters³

Step-by-step explanation:

Given: diameter 48 inches

Radius 24 inches

Note:

Volume of hemisphere = volume of sphere / 2

Volume of hemisphere = 1/2 • 4/3 • πr³

= 1/2• 4/3×π×24³

= 1/2•18432π

= 9,216π

= 28,938.2 meters³

Which is a solution to (x − 2)(x + 10) = 13?

Answers

Answer:

3

Step-by-step explanation:

3-2=1

3+10=13

1x13=13

Does anyone know the answer to this?

Answers

Answer:

show us the graph

Step-by-step explanation:

Solve using elimination.
- 8x + 2y = -20
8x - 5y = 14

Answers

Answer:

x = 3, y = 2

Step-by-step explanation:

~ Through process of elimination ~

1.         - 8x + 2y = -20      

        +   8x - 5y = 14

2. Simplify to solve for y through simple algebra:

          2y - 5y = -20 + 14 ⇒ - 3y = - 6 ⇒ y = 2

3. Now substitute this value of y into the to equation - 8x + 2y = -20 to get x:

- 8x + 2 ( 2 ) = -20  ⇒

    -8x + 4 = -20 ⇒

       -8x = -24 ⇒

           x = 3


The table shows the results of an experiment in which a spinner was spun 50 times. Find the experimental probability of each outcome.

Answers

Answer:

Option "A" is the correct answer to the following question.

Step-by-step explanation:

Given:

Total number of experiment = 50

Find:

Probability to get less then 4:

Computation:

⇒ Total number can be get less then 4 = 4+2+3

⇒ Total number can be get less then 4 = 9

⇒ Probability of an outcome = Total number of outcomes /  Total number of experiment

⇒ Probability to get less then 4 = Total number can be get less then 4 / Total number of experiment

Probability to get less then 4 = 9 / 50

Designer Dolls found that its number of Dress-Up Dolls sold, N, varies directly with their advertising budget, A, and inversely proportional with the price of each doll, P. When $54,000 was spent on advertising and the price of the doll is $90, then 9,600 units are sold. Determine the number of dolls sold if the amount of advertising budget is increased to $144,000.

Answers

Answer:

25,600

Step-by-step explanation:

You can use the rule of three considering that the number of dolls sold varies directly with the advertising budget:

$54,000    →   9,600

$144,000   →       x

[tex]x=\frac{144,000*9,600}{54,000}[/tex]

x=25,600

According to this, the number of dolls sold if the amount of advertising budget is increased to $144,000 is 25,600.

The number of dolls sold should be 25,600.

Given that,

When $54,000 was spent on advertising and the price of the doll is $90, then 9,600 units are sold.

Based on the above information, the calculation is as follows:

[tex]= \$144,000 \times 9,600 \div \$54,000[/tex]

= 25,600

Therefore we can conclude that The number of dolls sold should be 25,600.

Learn more: brainly.com/question/6201432

solve each equation. Round your answers to the nearest ten-thousandth. Please show your work. Part 4A​

Answers

Answer:

22.

     log3(4) + log3(5x^2 + 1) = 2

<=> log3(4 x (5x^2 + 1)) = log3(9)

<=> 20x^2 + 4 = 9

<=> 20x^2 = 5

<=> x^2 = 1/4

<=> x = +/- (1/2)

23.

      log8(4x^2 + 1) - log8(2) = log8(5)

<=> log8((4x^2 + 1)/2) = log8(5)

<=> 2x^2 + 1/2 = 5

<=> 2x^2 = 9/2

<=> x^2 = 9/4

<=> x = +- (3/2)

24.

      log8(4x^2 - 9) - log8(5) = 1

<=> log8((4x^2 - 9)/5) = log8(8)

<=> (4x^2 - 9)/5 = 8

<=> 4x^2 - 9 = 40

<=> 4x^2 = 49

<=> x^2 = 49/4

<=> x = +/- (7/2)

Hope this helps!

:)

is square root 36 a rational or irrational number

Answers

Answer:

rational

Step-by-step explanation:

sqrt(36) = ±6

This is a rational number since we can write it as a fraction of integers

±6/1

Answer:

Rational Number.

Step-by-step explanation:

Simplify √36:

√36 = √(6 * 6) = 6

6 is a rational number (whole number), therefore, √36 is a rational number.

~

Tristan and Anthony go to the movie theater and purchase refreshments for their friends. Tristan spends a total of $132.00 on 10 drinks and 7 bags of popcorn. Anthony spends a total of $102.00 on 2 drinks and 14 bags of popcorn. Write a system of equations that can be used to find the price of one drink and the price of one bag of popcorn. Using these equations, determine and state the price of a bag of popcorn, to the nearest cent.

Answers

Answer:

Popcorn=$6

Step-by-step explanation:

1) Setting variables

d= price of drinks

p= price of popcorn

2) Writing the system of equations

10d+7p=132

2d+14p=102

3) Simplifying one equation

2d=102-14p

d=51-7p

4) Solving the other equation by plugging the first equation in

d=51-7p

10d+7p=132

10(51-7p)+7p=132

510-70p+7p=132

510-63p=132

63p=378

p=6

5) Substituting p=6 into the first equation

d=51-7p

d=51-42

d=9

Someone help me out pleaseee

Answers

Answer:

(8)^2-4(16)(1)=0

Value of determinant: 0

one real solution (or two equal solutions)

Step-by-step explanation:

Find the area of the shaded region.

Answers

Answer:

10pix+65pi

Step-by-step explanation:

pi(x+9)^2-pi(x+4)^2

=pi(x^2+18x+81)-pi(x^2+8x+16)

=pix^2+18pix+81pi-pi(x^2+8x+16)

=pix^2+18pix+81pi-pix^2-8pix-16pi

=10pix+65pi

The total surface area of a cube is 114 in.² what is the length of each side of the cube? It is __ in

Answers

Answer:

16

Step-by-step explanation:

You need to find the answer

Write the equation of a line that passes through the point (4, 2) and is parallel to the line graphed below.

Answers

Answer:

Step-by-step explanation:

(-2, 2)   (2, -3)

(-3 - 2)/(2 + 2)

-5/4 the slope

y - 2 = -5/4(x + 2)

y - 2 = -5/4x - 5/2

y- 4/2 = -5/4x - 5/2

y = -5/4x - 1/2

David & Dan share a lottery win of £9900 in the ratio 3 : 2. David then shares his part between himself, his wife & their son in the ratio 4 : 4 : 2. How much more does his wife get over their son?

Answers

Ummmmm I think skidoo's a

Write a quadratic equation to represent a function with a vertex of (-3, 2) that passes
through the point (-1,22). Put your equation in vertex form.​

Answers

Answer:

use phototmath

Step-by-step explanation:

PLZ HELP HIVE BRAINLYWho got the better deal in the Columbian Exchange: the Europeans or the Native Americans? Why?

Answers

Answer:

the Europeans got the better deal from the Colombian Exchange

Step-by-step explanation:

In general, one would have to say that the Europeans got the better deal from the Columbian Exchange in that it facilitated the eventual establishment of colonies in the New World. That's not to say that it was all one-way traffic; however, the people of the New World undoubtedly benefitted in both the short and long-term by the introduction of crops and livestock. But such benefits proved to be more keenly felt by subsequent waves of European settlers than America's indigenous population.

After all, it wasn't much good for Native-Americans to have all these crops and all this livestock if, in due course, there'd be less land available for their use due to increased colonization. The indigenous peoples also suffered terribly from the introduction of diseases such as measles and smallpox, for which they had no natural immunity. It's difficult, then, to avoid the conclusion that the Europeans got the better deal from the Columbian Exchange (as it was probably intended that they should).

simply -

The Natives did benefit, but only for a short while, and the Europeans benefited the most

Kono Dio Da!!!

I need the answerrrrr

Answers

Answer:

28unit³

Step-by-step explanation:

given,

1 side has 21/2 unit square area

the side happens to be l×b

h is given as 8/3

the volume formulae is l×b×h

substituding in formulae

21/2×8/3

=28 unit³

this is correct

plzz mark me brainliest

The correct answer is 28 ft^3.

I hope this helps you!!!

Noah says: I am thinking of a number (s)
when I multiply it by 7 and add 19, the answer is 124
what is Noah's number
(s) = ?

Answers

Answer:

s = 15

Step-by-step explanation:

s*7 + 19 = 1247s = 124 - 197s = 105s = 105/7s = 15

Cesar and Jocelyn are planning their trips to three countries next year. There are 7 countries they would like to visit. One trip will be one week long, another two days, and the other two weeks.

Answers

Answer:

They need five weeks to make all their travels.

Step-by-step explanation:

Given that Cesar and Jocelyn are planning their trips to three countries next year.

One trip will be one week long, another two days, and the other two weeks.

In conclusion, they need five weeks to make this travel.

There are 1,503 souvenir paperweights that need to be packed in boxes. Each box will hold 16 paperweights. How many boxes will be needed?

boxes will be needed to hold all the souvenir paperweights.

Answers

Answer:

about 94 boxes.

Step-by-step explanation:

1503 divided by 16 ≈ 94

Answer:I believe you would need about 93.9375 boxes round as needed

Step-by-step explanation:1503/16= 93.9375

Solve the equation.

29= p x 20

p= __

Answers

Answer:

1.45

Step-by-step explanation:

1. divide both sides of the equation by 20 to get rid of the 2o on the right side

[tex]\frac{29}{20}[/tex]= p x [tex]\frac{20}{20}[/tex]

now u end up with 1.45=p

hope it helped

A lot is 60m by 34 m. A house 25 m by 9 m on the lot. How much area is left over

Answers

Answer:

The left over area is 1,815 m.

Step-by-step explanation:

60x34= 2,040

25x9=225

2040-225= 1,815.

What is the value of x

Answers

Answer:

x=90? is there any other info?

Step-by-step explanation:

Answer:

90 degrees

Step-by-step explanation:

The angle is a right angle

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