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BARSIC [14]
3 years ago
5

PLEASE HELP :)

Mathematics
1 answer:
Serhud [2]3 years ago
8 0
I'll be back to answer your question.

1 x 10 - <span>400</span> = 2x
380 = 2x
388 / 2 = 2x / 2
388 / 2 = x
194 = x
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Write a multiplication equation that has a solution of 12. Use tape diagrams to prove that your equation has a solution of 12.
natima [27]

Answer:

The required equation is 3y=36 and the tape diagram is shown below.

Step-by-step explanation:

Consider the provided information.

We need to write a multiplication equation that has a solution of 12.

3y=36

We know we have to split 36 into three equal groups, so we have to divide by 3 to show this algebraically.

3y÷3=36÷3

y=12

Now check this with the help of tape diagram as shown.

Consider the figure 1.

This represents if 36 had to be split into three groups, how big would each group be?

By the tape diagram we concluded that the value of y is 12.

5 0
3 years ago
A rectangle has a perimeter of 34 cm in an area of 52 cm squared it's length is 5 more than twice its width write and solve the
valina [46]

Let l be the length and w be the width of the rectangle.

Given perimeter of the rectangle

2(l+w)=34 \; l+w=17

Area of the rectangle is

lw=52

Also length is 5 more than twice its width,

l=2w+5

From the above equations

(l-w)^2=(l+w)^2-4lw=17^2-4*52=81\\ l-w=9,\; since \; l>w

Now 2l=9+17=26\;,l=13,w=4

The dimensions of the rectangle are length l=13, and width w=4.


8 0
4 years ago
Read 2 more answers
100 students take a course pass/fail. If they pass they get 4 points towards their GPA, if they fail they get 0. If 90 students
zheka24 [161]
10 of them fail so 10 of them get 0 and no points to there GPA
4 0
3 years ago
Square EFGH underwent transformation
Leya [2.2K]
<h3>Answer:</h3>

A. 5/4 . . . or . . . 1.25

B. see below

<h3>Explanation:</h3>

B. The dilation factor is the ratio of the image lengths to the original lengths. Here, for example, that could be

... d = E'F'/EF = (-4-(-9))/(-2-(-6))

... d = 5/4

A. The result of the calculation of part B is 5/4 = 1.25.

6 0
3 years ago
Please help solve this. Will give brainiest. Please explain your answers, as I have no idea how to solve this, but I tried my be
tatyana61 [14]

Answer:

Step-by-step explanation:

-2(6+s) ≥ -15 -2s

step 1: first remove the parenthesis

             -12 - 2s ≥ -15 -2s

step 2: add +12 to each side to combine like and unlike terms

           -12 - 2s + 12 ≥ 15 - 2s +12

           = -2s ≥ 27 - 2s

step 3: then add +2s to each side to obtain unknown sides

-2s + 2s ≥ 27 -2s + 2s

0 ≥ 27 + 0

Answer: No solution

In Summary

Step 1 Eliminate fractions by multiplying all terms by the least common denominator of all fractions.

Step 2 Simplify by combining like terms on each side of the inequality.

Step 3 Add or subtract quantities to obtain the unknown on one side and the numbers on the other.

Step 4 Divide each term of the inequality by the coefficient of the unknown. If the coefficient is positive, the inequality will remain the same. If the coefficient is negative, the inequality will be reversed.

Step 5 Check your answer.

3 0
4 years ago
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