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3 years ago

5

I need help I'm almost done

1 answer:

sp2606 [1]3 years ago

6 0

I've never seen this before

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4x-3y=2<br> 3x=5y=16<br> solve using substitution method

vodomira [7]

$\left\{\begin{array}{ccc}4x-3y=2&|\text{add 3y to both sides}\\3x+5y=16\end{array}\right\\\left\{\begin{array}{ccc}4x=3y+2&|\text{divide both sides by 4}\\3x+5y=16\end{array}\right\\\left\{\begin{array}{ccc}x=0.75y+0.5&(*)\\3x+5y=16\end{array}\right\\\\\text{substitute}\ (*)\ \text{to the second equation}\\\\3(0.75y+0.5)+5y=16\qquad\text{use distributive property}\\\\(3)(0.75x)+(3)(0.5)+5y=16\\\\2.25y+1.5+5y=16\qquad\text{subtract 1.5 from both sides}\\\\7.25y=14.5\qquad\text{divide both sides by 7.25}$

$\boxed{y=2}\\\\\text{substitute the value of y to}\ (*):\\\\x=0.75(2)+0.5\\\\x=1.5+0.5\\\\\boxed{x=2}\\\\Answer:\ x=2\ and\ y=2\to(2,\ 2)$

7 0

3 years ago

Please help me!!!!!!!

Mila [183]

Answer:

I not sure this 76.5

Step-by-step explanation:

9cmx17cm=156/2=76.5

Then 76.5/2= 39

I hope this helpful for you.... Sorry....

5 0

4 years ago

Shelby keeps all her vacation pictures in 2 photo albums. One of the photo albums is 2/3 full and the other is 5/6 full. How muc

jarptica [38.1K]

Answer: 1 1/2

Step-by-step explanation:

5 0

3 years ago

Please help i have no idea with this lesson

sergey [27]

Answer:

40

Step-by-step explanation:

ABD-CBD=ABD

70-30=40

3 0

3 years ago

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What is the slope has to reduced if needed.

Dovator [93]

I would think the slope is 0 because it's a horizontal line

3 0

3 years ago

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