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3 years ago

Determine the ordered pair that satisfies the equation, -5x - 6y= -8.

Mathematics

1 answer:

Ber [7]3 years ago

8 0

The answer is Y= -1/1/5X -1.3repeating

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X+2y=12 <br> 3x-10y = 0<br><br> y=?<br> x=?

sergeinik [125]

$~~x+2y=12 \\ ~~3x-10y=0 \\
~------ \\~ -3/x+2y=12 \\ ~~~~~~3x-10y=0 \\ ------- \\ -3x-6y=-36 \\ ~~~~3x-10y=0 \\ +------- \\ ~~~~-16y=-36 \\ \\ ~~~~y= \frac{36}{16}\rightarrow \boxed{\frac{9}{4}} \\ \\$
$x+2. \frac{9}{4} =12 \\ \\ x+ \frac{18}{4} =12 \\ \\ \frac{4x+18}{4} =12 \\ \\ 4x+18=48 \\ 4x=30 \\ \\ x=\boxed{\frac{15}{2}}$

3 0

2 years ago

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What is 3x/2 × 2/3x=1

alexandr1967 [171]

Answer:

x=-3

Step-by-step explanation:

4 0

2 years ago

Tyrone played 18 holes of golf and had the same score on each of the first 14 holes. He then had the same score on each of the n

Bumek [7]

Answer: A. He scored 3 under par on each of the first 14 holes and 2 over par on each of the next four holes.

3 0

3 years ago

Solve for x 2\3 = 18/x+5

Levart [38]

If you could write out the whole problem exactly how it is, I can solve it for you.

7 0

3 years ago

docker41 [41]

Given =

Two similar pyramid have base area of 12.2 cm² and 16 cm².

surface area of the larger pyramid = 56 cm²

find out the surface area of the smaller pyramid

To proof =

Let us assume that the surface area of the smaller pyramid be x.

as surface area of the larger pyramid is 56 cm²

Two similar pyramid have base area of 12.2 cm² and 16 cm².

by using ratio and proportion

we have

ratio of the base area of the pyramids : ratio of the surface area of the pyramids

$\frac{12.2}{16} : \frac{x}{56}$

x = 12.2 ×56× $\frac{1}{16}$

by solvingthe above terms

we get

x =42.7cm²

Hence the surface area of the smaller pyramid be 42.7cm²

Hence proved

3 0

2 years ago

Read 2 more answers