2 years ago

Graph the system of linear equations. y = x + 5 and y = 2x + 2.

Mathematics

1 answer:

Oxana [17]2 years ago

4 0

Graph using y=mx+b. The point of intersection is (3,8)

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there are 453.592 grams in one pound. A semi-slick, Kevlar tire weighs about 520 grams. what is the tires weight in pounds?

vredina [299]

All you have to do is divide 520 by 453.592. If you do this, your answer is 1.1464 pounds. If you have to round to hundredths, your answer is 1.15 pounds. If you have to round to tenths, your answer is 1.1 pounds.

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3 years ago

In ΔDEF, the measure of ∠F=90°, the measure of ∠D=70°, and EF = 4.4 feet. Find the length of FD to the nearest tenth of a foot.

shutvik [7]

Answer:

1.6

Step-by-step explanation:

7 0

2 years ago

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3. half of 42, increased<br> by 5

OlgaM077 [116]

Answer:

Step-by-step explanation:

Half of 42 is 21.

21 + 5 = 26

Hope this helps you out ; )

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3 years ago

What is the equation of the following line written in slope-intercept form -2/3 and -1/-4? y = -11x - 7 y = -7x + 11 y = -7x - 1

Snowcat [4.5K]

Answer:

$y=-7x-11$

Step-by-step explanation:

Given:

The two points on the line are $(-2,3)$ and $(-1,-4)$ .

The slope of the line joining two points $(x_{1},y_{1})$ and $(x_{2},y_{2})$ is given as:

$Slope,m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Here, $x_{1}=-2,y_{1}=3,x_{2}=-1,y_{2}=-4$

∴ $m=\frac{-3-4}{-1-(-2)}=\frac{-7}{-1+2}=\frac{-7}{1}=-7$

Equation of line with a point $(x_{1},y_{1})$ and slope $m$ is given as:

$y-y_{1}=m(x-x_{1})$

Plug in -2 for $x_{1}$ , 3 for $y_{1}$ and -7 for $m$ . This gives,

$y-3=-7(x-(-2))\\y-3=-7(x+2)\\y-3=-7x-(7\times 2)\\y-3=-7x-14\\y=-7x-14+3\\y=-7x-11$

Therefore, the equation of the line in vertex form is $y=-7x-11$ .

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2 years ago

Find the area of an equilateral triangle whose value is 18 cm

rusak2 [61]

Answer:

$18 + 18 + 18 = 18 \times 3 = 54$

Step-by-step explanation:

I ain't sure but it might help you out:D

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2 years ago

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