3 years ago

Complete the solution of the equation Find the value of y when x equals 11. 7x-9y=23

1 answer:

8 0

Replace the variable x with it's value in the equation and solve for y.

7(11) - 9y = 23

77 - 9y = 23

Subtract both sides by 77.

77 - 9y - 77 = 23 - 77

-9y = -54

Divide both sides by -9.

-9y / -9 = -54 / -9

y = 6

So, 6 is the answer.

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The product of 12 and k is 84.

Vesnalui [34]

Answer:

to solve this we do the oppisite of multiplication which is division

so 84 divided by 12 = 7 so that means that our mysterious k = 7

so reprhase the sentence so '' The product of 12 and 7 is 84

hope this helps:)

Step-by-step explanation

8 0

3 years ago

Read 2 more answers

5/6 N=10 solve this problem. I could not put the six under the five where it belongs. please show the work

Andreyy89

5/6N = 10

Mutiply by 6/5

So N=12

3 0

3 years ago

If i have 480 grams of pasta for 4 people how many kilograms will i need for 14 people

Afina-wow [57]

$\bf \begin{array}{ccll} \stackrel{pasta}{grams}&people\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 480&4\\ g&14 \end{array}\implies \cfrac{480}{g}=\cfrac{4}{14}\implies \cfrac{480}{g}=\cfrac{2}{7} \\\\\\ \cfrac{480\cdot 7}{2}=g\implies 1680=g$