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3 years ago

Pls help, question on picture, will do brainliest if right no links!!!!!

Mathematics

1 answer:

Snezhnost [94]3 years ago

7 0

Answer:

103/5

Step-by-step explanation:

its a ten whole number three out of five i think

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A family pays $45 each month for cable television. The cost increases 7%.What is the new monthly cost?

djyliett [7]

48.15 dollars. u multiply 7% by 45. (7% as decimal is .07)

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4 years ago

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Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match each triangle below with the value

Dmitriy789 [7]

Answer:

30, 9, 15, 29

Step-by-step explanation:

Triangle 1, yellow

b= √34²- 16²= √900= 30

Triangle 2, blue

a= √41²- 40²= √81= 9

Triangle 3, green

c= √12²+9²= √225= 15

Triangle 4, red

c= √21²+20²= √841= 29

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4 years ago

Given that your monthly expenses for the house that you want to purchase totals $1,562.30 (this includes the house payment, annu

alexandr1967 [171]

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3 years ago

A line passes through the points (–1, –5) and (4, 5). The point (a, 1) is also on the line.

IgorC [24]

Answer:

a = 2

Step-by-step explanation:

Let's find the equation of the line using the 2 points given.

Let's call -1 as x_1 and -5 as y_1

also, 4 as x_2 and 5 as y_2

The equation of line is :

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

<em>Let's plug the points and get the equation of the line:</em>

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\\y+5=\frac{5+5}{4+1}(x+1)\\y+5=2(x+1)\\y+5=2x+2\\y=2x-3$

Now, to find a, we substitute a in x and 1 in y of the equation of the line we just got:

$y=2x-3\\1=2(a)-3\\1=2a-3\\2a=4\\a=\frac{4}{2}=2$

4 0

3 years ago

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One of the ancient stone pyramids in Egypt has a square base that measures 140 m on each side. The height is 96 m. What is the v

miv72 [106K]

Volume of a pyramid = $\frac{1}{3}*base*height$

Given base is = 140 m

Given height is = 96 m

Volume = $\frac{1}{3}\times140\times96=4480$

Hence, volume of pyramid is 4480 m³

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3 years ago