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V125BC [204]
2 years ago
11

According to the Marshall’s survey, 80 sixth graders, or 40% of the students in sixth grade like to have school remote. How many

sixth graders are there in Marshall Middle School?
Highlight the correct answer.

180

240

200

520
Mathematics
2 answers:
maxonik [38]2 years ago
8 0
200 is the answer i know this because 40%of 200 is 80
d1i1m1o1n [39]2 years ago
6 0
Option 3, 200, is the correct answer.

Step by Step Explanation :

40 percent of 180 is 72.
40 percent of 240 is 96.
40 percent of 520 is 208.

40 percent of 200 is 80.
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How many solutions does the following equation have? -14(z-5)=-14x+70
zavuch27 [327]

Answer:

Infinite amount of solutions

Step-by-step explanation:

Parallel lines have no solution

Same lines have infinite solutions

Intersecting lines have 1 solution

Step 1: Write out equation

-14(x - 5) = -14x + 70

Step 2: Distribute -14

-14x + 70 = -14x + 70

Here we see that we have 2 exact same lines. Therefore, we have infinite amount of solutions.

Alternatively, we can plug in any number <em>x </em>and it would work. So then we would have infinite amount of solutions as well.

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3 years ago
1.Estimate square root 3
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1.732 is the square root of 3
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3 years ago
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Write the square or cube for each number.
IRISSAK [1]

Answer:

1) 19³=6859

2) 16² =256

3) 15³ =3375

4) 20² =400

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Step-by-step explanation:

using your calculator to (square = number times itself) or (cube = number times itself times itself again)

4 0
2 years ago
The field inside a running track is made up of a rectangle that is 84.39 m long and 73 m wide, together with a half-circle at ea
ioda

Answer:

The distance around the inside is 199.44 m.

Step-by-step explanation:

Given that,

Length = 84.39 m

Width = 9.76 m

Suppose, all the way around and 73 m wide.

We know that,

Perimeter of half circle is

perimeter = \pi r

We need to calculate the inner radius of the circle

Using formula of radius

r=\dfrac{D}{2}

Put the value into the formula

r=\dfrac{9.76}{2}

r=4.88\ m

We need to calculate the distance around the inside

Using formula of distance

Distance around the inside= two inner perimeter of the circle+two length of rectangle

D=2\pi r+2l

Put the value into the formula

D=2\pi\times4.88+2\times84.39

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6 0
3 years ago
Find the solution to the following system using substitution or elimination:
Licemer1 [7]

Answer:x=1

Step-by-step explanation:

y=y

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10=8x+2

8=8x

x=1

3 0
3 years ago
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