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Mars2501 [29]
3 years ago
12

What equation is described below?

Mathematics
2 answers:
Andru [333]3 years ago
8 0

Answer:

5x4=20

Step-by-step explanation:

The expression says that 20 is 4 times as many as 5, what is the same as 4 times as many as 5 is equal 20.

The meaning of the expression, if we put into equation terms, is:

4 times 5 is equal to 20

So, we can write the following equation for this expression:

4 x 5 = 20

or

5 x 4 = 20

So, the answer is the first option:

5x4=20

natta225 [31]3 years ago
8 0

Answer:

The answer is 20 = 4*5.

Step-by-step explanation:

An equation is an mathematical expression where two things are equal. In this case we have a number and an product. The problem states that 20 is 4 times as many as 5. The "is" word gives us a hint that there is the equal sign, and the "times" gives us a hint that it is a product. So we can express this with:

20 = 4*5

Wich would be the first possible answer.

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c

Step-by-step explanation:

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Solve Systems by Substitution<br> 2x+5y=-3<br> x+8y=4<br> and<br> 2x+y=7<br> x-2y=-14
ASHA 777 [7]
2x + 5y = -3 ⇒ 2x +   5y = -3 
1x + 8y =  4 ⇒ <u>2x + 16y = 8
</u>                               -<u>11y</u> = <u>-11 </u>
                                -11     -11
                                    y = 1
                        2x + 5(1) = -3
                            2x + 5 = -3
                            <u>      -5     -5</u>
                                  <u>2x</u> = <u>-8</u>
                                   2      2
                                    x = -4
                              (x, y) = (-4, 1)

2x + 1y = 7     ⇒ 2x + 1y = 7
1x -  2y = -14 ⇒ <u>2x  - 4y  = -28</u>
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                                    5      5
                                     y = 7
                             2x + 7 = 7
                             <u>      -7   -7</u>
                                   <u>2x</u> = <u>0</u>
                                    2     2
                                    x = 0
                              (x, y) = (0, 7)
4 0
3 years ago
12 – 7x ≤-2 <br> solve and show work
vova2212 [387]

Answer:

x≥2

Step-by-step explanation:

Let's solve your inequality step-by-step.

12−7x≤−2

Step 1: Simplify both sides of the inequality.

−7x+12≤−2

Step 2: Subtract 12 from both sides.

−7x+12−12≤−2−12

−7x≤−14

Step 3: Divide both sides by -7.

−7x/−7 ≤ −14/−7

x≥2

8 0
3 years ago
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