Mathematics Middle School

check out the square pyramid

Answers

Answer 1

Answer:

your answer should be 40

Step-by-step explanation:

the square's area is 4x4=16

and the triangles are 4(.5(3x4))=24

24+16=40

Related Questions

What is the area of the rhombus? Please help!

Answers

Answer:

Step-by-step explanation:

1200

What is the most appropriate level of accurarcy for measuring the height of a tree

Answers

Answer:

meters because trees can be tall.

Workers need to know the area of a park to determine how much grass seed to order. A worker drew a sketch of the park to find its area. Which is the area of the park?

Answers

The area of the park is 1465m squared, because you would find the area of the square first which is 100m squared and then you would add that to the area of the trapezoid which is 1365m squared and after you add them, you would get 1465m squared. I’m still not sure if this is the exact answer but please check it over to see if I did it correct :)

The area of the figure is 1465 square m because the figure consists of squares and trapezoids.

What is a square?

It is defined as a two-dimensional geometry that has four sides and four vertices. The sides of the square are equal in length. It is a regular quadrilateral.

We have a figure shown in the picture that represents a sketch of the park.

Workers need to know the area of a park to determine how much grass seed to order.

The figure consists of squares and trapezoids.

The trapezoid can be defined as the quadrilateral having four sides in which two sides are parallel to each other, it is a 2-dimensional geometry.

The area of the figure = area of the square + area of the trapezoid

The area of the figure = 10×10 + (38 + 40)35/2

The area of the figure = 100 + (78×35)/2

The area of the figure = 100 + 1365

The area of the figure = 1465 square m

Thus, the area of the figure is 1465 square m because the figure consists of squares and trapezoids.

Learn more about the square here:

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What is the area of the following right triangle?

Answers

Answer:

30 square units

Step-by-step explanation:

The area of the given right triangle can be found a couple of ways:

Pythagorean theorem

The missing side length can be found using the Pythagorean theorem relation between the sides:

c² = a² +b²

13² = a² +5²

a² = 169 -25 = 144

a = √144 = 12

Then the area is ...

A = 1/2ab = 1/2(12)(5) = 30 . . . square units

Trigonometry

The angle at lower right can be found from the trig relation ...

Cos = Adjacent/Hypotenuse

cos(A) = 5/13

A = arccos(5/13) ≈ 67.38°

The area can be found from these side lengths and the angle:

A = 1/2bc·sin(A)

A = 1/2(5)(13)sin(67.38°) = 30 . . . square units

_____

Additional comment

The sine of the angle can be computed from the cosine using the identity ...

sin(x) = √(1 -cos²(x))

In this case, the sine of the angle would be found to be 12/13, so the area would be computed as ...

A = 1/2(5)(13)(12/13) = 1/2(12)(5) . . . . same as using the Pythagorean theorem

Mindi planted beans in 4/10 of her garden and peas in 5/10 of her garden. What fraction of the garden has beans or peas?

Answers

9/10 of her garden has beans or peas

Write a problem that could be modeled with y=200(0.9).

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First, I need to decide what equation this is like.

I believe this is y=mx.

We know that x is typically the input, and m is the constant function.

Y is the output.

So the original function may have been y=200x.

The only difference is now we've been given something to apply to the equation, in place of x.

2. Imagine a cloning machine. Whatever you put in, you get a copy of, and the original thing you put in. Its function would be y=2x. Let's pretend we decided to put three things in; 3 would go where x is.

Y would be the result of 3 copies and their originals, or 2(3).

(6=2(3))

Now, when someone else decides to use the cloning machine, they may put any number in, but the only properties that will change are y and x, not m.

The function will remain y = 2x. Any number could go in place of x, and multiplying x by 2 will give you the y. As long as you have a different value for x, the y will never be the same.

3. So now we have an understanding of what it means, we see that we have been given an x value to insert; an input.

A more practical example could be someting with money. This won't be entirely realistic, because we are dealing with a fraction of a number and another large number.

4. I decided to go with flour. I wanted the 200 to represent pennies, or cents. Before I landed on this, I looked up the cost of flour per pound. I found that the average is .43 dollars, which isn't terribly close to two dollars. But maybe the flour is high quality, so we can stick with that.

5. Seeing that this equation, y=200x, means we are charging 200 cents, or two dollars, we can write a problem from here.

Sylvia is in charge of selling home-harvested flour from an organic farm. She charges two dollars per pound of flower. Today, her next-door neighbors hope to buy a ninth of pound of flour, and they insist on paying with pennies. How many pennies do they need to pay for their order?

Let me know if this helped, or if you have any questions!

Probability
Consider the following set of numbers:
{1,2,3,4,5,6,7,8,9,10)
What is the probability of drawing an odd number or a
multiple of 3?
9/10
1/2
7/100
3/5?

Answers

Answer:

1/2

Step-by-step explanation:

Tamanika got a raise in her hourly pay, from $15.50 to $17.36. Find the percent increase

Answers

Answer:

12%

Step-by-step explanation:

The required percent increase is 12%

Tamanika got a raise in her hourly pay, from $15.50 to $17.36

What is percentage?

percentage is defined as, composition of something out of whole inbounds of 100.

since = 17.36 - 15.50/15.50 x 100
= 1.86/15.50 x 100
= 0.12 x 100
= 12

Thus the required percent increase is 12%.

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what is the area of this figure?

Answers

Answer:

Area is measured in "square" units. The area of a figure is the number of squares required to cover it completely, like tiles on a floor. Area of a square = side times side. Since each side of a square is the same, it can simply be the length of one side squared.

Step-by-step explanation: hope this helps

"
5 ft
A
13 ft
a.
sin A=7
islam
/
A= 12,
A = 12 sec A
-
12
cos A = 132
n la
12
COS A = 13
CP
5, CSC A =
b.
sin A = , tan A = o, sec A = 1
12
sin A = 13, tan A =
12
5, sec A =
13
12
COS A = 5, cot A = 5, CSC A =
al
5
COS A = 13, cot A = 12, CSC A -

Answers

Answer:

i don't understand what the question is please explain what the question is.

How many outcomes are in the sample space of flipping a coin in spinning a spinner with sections labeled 1-4

Answers

Answer:

8 outcomes

Step-by-step explanation:

A coin has two possible outcomes: heads or tails.

The spinner has four possible outcomes: 1, 2, 3 or 4.

If we combine then, the number of outcomes will be the product of their number of outcomes:

2 * 4 = 8

So we will have a total of 8 outcomes:

heads, 1 / heads, 2 / heads, 3 / heads, 4 /

tails, 1 / tails, 2 / tails, 3 / tails, 4

The area of a rectangle is 99 square inches. What is the new area of the rectangle if the height were five times long and the base decreased by one-third? Answer_square inches

Answers

Answer:

330 square inches

Step-by-step explanation:

99 x 5 =495

495 x 2/3 =330

Find the area. Will mark brainiest.

Answers

Answer:

9)Area=64in²

10)Ms.Surruco's classroom

...........................

Area is 64in and it’s mrs surrusco’s classroom

Can anyone please help me here in this proplem

Answers

Answer:

270

Step-by-step explanation:

I DID THE TEST

Answer: 270

Step-by-step explanation: First find the volume to the figure and find the volume of the unshaded part and subtract . Hope this helps 8-)

Adam's goal is to practice piano for 200 minutes every week. Which practice schedule would allow him to meet his goal?
20 minutes per night, 7 days per week
30 minutes per night, 6 days per week
40 minutes per night, 5 days per week
50 minutes per night, 3 days per week
Mark this and return
Save and Exit

Answers

Answer:

40 minutes per night, 5 days per week

Step-by-step explanation:

will give brainlist if right

Answers

Answer:

10/50 = 20%

20% experimental probability

1/5 experimental probability

Use the tool to measure the sides and angles of the triangles. Triangle XYZ is the pre–image. Are the triangles similar? Yes, No, Not Enough Information. If so, what is the scale factor going from triangle PQR to triangle ZYX? 1/4, 1/2, 2, cannot be determined

Answers

Answer:

Yes, 2

Step-by-step explanation:

Got it right on Edge 2020

Answer: 1: YES 2: 2

Step-by-step explanation:

PLEASE HELP!!
Which of the following functions represents an exponential growth of twenty-five percent?
Of(x) = 35(1.25)
of(x) = 125(25) *
Of(x) = 2500(0.25)
f(x) = 15(2.5)

Answers

Answer:

its c

Step-by-step explanation:

i did the test

Can anyone help me out with number one?

Answers

Answer:

[tex]232 cm^{2}[/tex] (B.)

Step-by-step explanation:

Don't overwhelm yourself. Take a deep breath and look at the triangle that has the height of 14 cm.

Recall that the area of a triangle is A= 1/2bh

The base of the triangle is 8 cm, if you eyeball it with the square. The height is given as 14.

1/2 (14)(8)

= 56 cm^2 x 2

= 112 cm^2

Great! We found two of the triangles (there are two of these, look at the paper)

Now let's take a look at the second triangle with the height of 12 cm.

Eyeball the base, which is 6 cm from the square in the middle.

1/2 (6)(12)

= 36 x 2

= 72 cm^2 (there are two of these triangles)

The easy part comes. The area of a square is simply

A= bh

= (6)(8)

= 48 cm^2.

ADD 'EM UP

48 + 72 + 112

= 232 cm^2

Answer:

B) 232

Step-by-step explanation:

Do 14 x 8 to find the top and bottom triangle. 112. Then do 12 x 6 to find the left and right triangle. 72. The find the area of the rectangle 6 x 8 = 48. Add up all the answers. 112 + 72 + 48 = 232 is the answer.

Identify the factor(s) in the multiplication sentence below.
2 x 9 = 18
O A. 2, 9, and 18
B. 2 and 9
C. 9 only
O D. 2 only

Answers

Answer:

Step-by-step explanation:

Factors are the two numbers which you multiply to get your product which is the equivalent of a sum in multiplication terms. You are multiplying two and nine in this scenario so they'd be the factors.

if x+y=4 and x-y=a then what does x equal

Answers

Answer:

x = 2 + a/2

Step-by-step explanation:

please answer this i’ll give you 15 points

Answers

Answer:

Step-by-step explanation:

you round 33 to 30 and 87 to 90

Answer:

Well I think it's B.. Sorry for the late answer.

Step-by-step explanation:

When you graduate from high school, you deposit all of your graduation cash into an account earning 5% interest. Ten years from now you will have
$5000 in that account. How much money did you deposit?

Answers

If it’s 5% interest per year, then you deposited $2500. If it’s 5% interest total over the total 10 years, then you deposited $4750

Which set of numbers is in order from greatest to least?
o 13,823; 13,328; 13,238; 12,328

13,238; 13,328; 13,823; 12,328

O 13,823; 13,238; 13,328; 12,328

O 12,328:13,238; 13,328; 13,823

Answers

Answer:

A. 13,823; 13,328; 13,238; 12,328

Step-by-step explanation:

Tamika builds a wooden skateboard ramp. The ramp measures 63 centimeters, and the length of its horizontal base is 60 centimeters, as shown.

A right triangle with side lengths 60 centimeters, h, and hypotenuse 63 centimeters.

In centimeters, what is the approximate height of the ramp? Round the answer to the nearest tenth of a centimeter.

Answers

Answer:

Answer is 19.2

Step-by-step explanation:

60x60= 3600 63x63= 3969

3969

- 3600 = 369 square root of the 369= is 19.2

The approximate height of the ramp is 19.2

Given: Tamika builds a wooden skateboard ramp. The ramp measures 63 centimeters, and the length of its horizontal base is 60 centimeters, as shown.

A right triangle with side lengths 60 centimeters, h, and hypotenuse 63 centimeters.

How to determine in centimeters, what is the approximate height of the ramp?

The area will be 60x60= 3600

=> 63x63= 3969.

Thus height is 3969- 3600 = 369 and the square root of the 369

=19.2

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Express the area of the entire rectangle.
Your answer should be a polynomial in standard form.
(m^2 + -2m + -1) (5m^4)

Answers

Answer:

[tex]5m^6 - 10m^5 - 5m^4[/tex]

Step-by-step explanation:

All you need to do is distribute the [tex]5m^4[/tex] to ([tex]m^2-2m - 1[/tex]), like so:

([tex]m^2-2m - 1[/tex])[tex](5m^4)[/tex]

[tex]5m^6 - 10m^5 - 5m^4[/tex]

what are the zeros of (3x−2)(x+4)

Answers

Answer:

x = 2/3 x = -4

Step-by-step explanation:

(3x−2)(x+4)

Set this equal to zero

(3x−2)(x+4) = 0

Using the zero product property

(3x−2) =0 (x+4)=0

And solve for x

3x =2 x = -4

x = 2/3 x = -4

Solve this brain teaser, please!!!

Answers

Answer:

0 in the end they all burn out

Step-by-step explanation:

Answer: 10

Step-by-step explanation:

What do you do if you have 9 times 2

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Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

A triangle has side lengths 4 cm, 4 cm, and 7.5 cm. The angle measures are 20°, 20°, and 140°. What type of triangle is this triangle? acute isosceles acute scalene obtuse scalene obtuse isosceles

Answers

Because two side lengths are identical it is an isosceles triangle and also at least one angle is less than 90 degrees so the answer would be an acute isosceles triangle.

Answer:

acute isosceles.

Step-by-step explanation:

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