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drek231 [11]
3 years ago
9

A class has 30 students. There are 15 boys.

Mathematics
2 answers:
Murljashka [212]3 years ago
7 0

Answer:

b.) 1 to 1

Step-by-step explanation:

VLD [36.1K]3 years ago
3 0

Answer: 1:1

Step-by-step explanation:

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If it takes 5 people 5 minutes to make 5 pencils, how long would it take 100 people to make 100 pencils?
Fofino [41]
First let's figure out how many people it takes to make one pencil. One person can make 1 pencil in 1 minute. So, 100 people would take 100 minutes to get 100 pencils.

Or multiply all the 5's by 20 and you'll get 100 minutes.
3 0
3 years ago
Find the area of the parallelogram by finding the height of the 45 45 90 triangle
slavikrds [6]

Answer:

45 in²

Step-by-step explanation:

Since it's a 45-45-90 triangle, the legs are equal length.  The legs are the sides that are not the hypotenuse.  The hypotenuse is the side opposite the 90° angle.  Here, the legs are both 6.  This is also the height of the parallelogram.  

The formula for area of a parallelogram is

A = LH    where L is the side length, and H is the height

So the area is

A = 7.5(6) = 45 in²

6 0
3 years ago
Write an algebraic expression for the word phrase c divided by 7.
Y_Kistochka [10]

Answer:

D. c/7

Step-by-step explanation:

An algebraic expression refers to the equation. In the question, it says to divide a number (c) by seven, giving you c/7

5 0
3 years ago
Help please quick! show work please.<br> Use the area to find the value of x:
saveliy_v [14]

Answer:

Step 1:divide

276/12=23

Step 2:

answer it!

Step-by-step explanation:

Your answer is 23. Divide the sf by the ft then you get x.

5 0
3 years ago
Read 2 more answers
A coastline recedes at a rate of 3cm per year. How much of the coastline dissappears after 4 years?
Damm [24]

Answer:

12 cm of coastline

Step-by-step explanation:

Multiply the years (factor) by the receding amount, 3cm, (constant) BAM answer.

3 0
3 years ago
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