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3 years ago

Find the value of y so that (-2,y) satisfies y =-7x?

Mathematics

1 answer:

Anit [1.1K]3 years ago

6 0

Answer:

y=14

Step-by-step explanation:

plug in -2 in the place of x

y=-7(-2) y=14

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Please help me my life depends on it

sammy [17]

Your answer should be 17 inches.

2.5 + 2.5 = 5 7 + 3 = 10 + 5 + 2 = 17.

I hope this helps answer your question. Have a great day

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3 years ago

Find the area and show work if you can.

baherus [9]

Answer:

The area of figure is 420 000 ft².

Step-by-step explanation:

You can seperate the diagram into 2 parts, top is trapezium and bottom is rectangle. Then you have to use the formula for each part :

Trapezium,

$A = \frac{1}{2} \times (a + b) \times height$

Let a = 600 ft,

Let b = 900 ft,

Let height = 200 ft,

$A = \frac{1}{2} \times (600 + 900) \times 200$

$A = 150 \: 000 \: \: \: {feets}^{2}$

Rectangle,

$A = base \times height$

Let base = 900 ft,

Let height = 300 ft,

$A = 900 \times 300$

$A = 270 \: 000 \: \: \: {feets}^{2}$

Lastly, you have add both areas together :

$A = 150000 + 270000$

$A = 420 \: 000 \: \: \: {feets}^{2}$

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Answer:

they both have right angles

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FinnZ [79.3K]

Answer:

X is 160. because you can add all the value of x. But first substrate 540 with 100 which is 440. then 1/2x + 1/2x+ (x-15) + (x-25) which is further simplified as x + 2x - 40. then it's further simplified as 3x - 40 = 440. then add 40 with 440 which is 480 then divide it by 3 which is 160. therefore X= 160.

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