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2 years ago

Sumayya wants to pour 70.61 grams of salt into a container. So far, she has poured 19.2 grams. How much more salt should Sumayya

Mathematics

2 answers:

DedPeter [7]2 years ago

8 0

The answer can be obtained by subtracting 19.2 grams from 70.61 grams. The result is 51.41 grams.

Nataliya [291]2 years ago

3 0

Answer:

51.41 g

Step-by-step explanation:

70.61 - 19.2 = 51.41

u minus the amount he poured already from the total

to find how much more he had to pour

51.41 + 19.2 = 70.61

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2 years ago

Solve the system of equations by using substitution. x+8y=-2 x-3y=20

zysi [14]

Answer:

(14, -2)

Step-by-step explanation:

To solve by using substitution, begin by solving for a variable in the first equation. Let's solve for x:

$x+8y=-2\\x=-2-8y$

Now we know what x equals. Let's substitute this into the second equation:

$x-3y=20\\(-2-8y)-3y=20$

We can then simplify:

$-2-8y-3y=20$ Given equation

$-2-11y=20$ Combine y terms

$-11y=22$ Add 2

$y=-2$ Divide by -11

So, we now know the value of y = -2.

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So, we now know the value of x = 14.

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3 years ago