3 years ago

1. What is the solution to the equation below? -5/4x + 2/5 = -13/30

Mathematics

1 answer:

Artemon [7]3 years ago

6 0

Answer:

2/3 or .6 repeating

Step-by-step explanation:

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artcher [175]

Multiply equation B by 2.
Multiply equation A by 2
Multiply equation B by 3.
Multiply equation A by -3

Answer: D

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3 years ago

Give 3 expressions equivalent to the expression 24x+60

kirill [66]

12x+30, 36x+90, 6x+15

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3 years ago

Each of the 25 students in Mr. McDonald’s class sold 16 raffle tickets. If each ticket costs $15, how much money did Mr. McDonal

REY [17]

So do
25x16=400
this shows how many raffle tickets were sold all together
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2 years ago

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PLEASE HELP

irina [24]

Take the longer leg length as $x$

$(x-8)^2+x^2=(x+8)^2 \\ \\ x^2-16x+64+x^2=x^2+16x+64 \\ \\ x^2-32x=0$

Use the formular
$x={ \frac{-b+ \sqrt{ b^2-4ac}}{2a} } \\ \\ x={ \frac{32+32}{2} } \\ \\ x=32$

∴ shorter leg = 32 - 8 = 24ft
longer leg = 32ft
hypotenuse = 32 + 8 = 40ft

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3 years ago

Find the greatest common factor of

labwork [276]

Answer:

D. xy.

Step-by-step explanation:

The GCF of x and x^2 is x and GCF of y and y^2 is y.

Answer is xy.

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3 years ago

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