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2 years ago

Helpppppppp plsssssssssssssssssssssssssssssssss

Mathematics

2 answers:

Anastaziya [24]2 years ago

6 0

Answer:

-8 < -4

Step-by-step explanation:

ira [324]2 years ago

3 0

Answer:

its -8<-4 hope this helps

Step-by-step explanation:

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What makes the shapes similar?

son4ous [18]

Answer:

The answer is the first option

hope this helps

Step-by-step explanation:

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3 years ago

Jethro has paid his annual taxes.He knows that his tax is 27% of his taxable income.If he made $68,000 last year,which proportio

Hatshy [7]

Answer:

$\frac{x}{68,000}= \frac{27}{100}$

Step-by-step explanation:

Let

x ----> amount that Jethro owes in taxes

we know that

Amount that he made last year $\$68,000$

His tax rate $27\%=\frac{27}{100}$

Applying proportion

$\frac{x}{68,000}= \frac{27}{100}$

solve for x

$x=68,000(27)/100\\x=\$18,360$

4 0

3 years ago

How many decimal places are there in the product of 0.87 x 18? A. 1 B. 2 C. 3 D. 4

sp2606 [1]

C
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8 0

2 years ago

Read 2 more answers

Salina is 63 inches tall. approximately how tall is she in centimeters?

salantis [7]

2.45cm=1 in
times both sides by 63
160.02cm=63 in

about 160cm

4 0

3 years ago

Consider the line y = 7x-9.

KatRina [158]

$y = \frac{-1}{7}x -\frac{8}{7}$ is the equation of the line that is perpendicular to this line and passes through the point (6, -2)

y = 7x - 44 equation of the line that is parallel to this line and passes through the point (6, -2)

Solution:

Given that line is:

y = 7x - 9

The equation of line in slope intercept form is given as:

y = mx + b ------ eqn 1

Where, "m" is the slope of line and "b" is the y intercept

On comparing eqn 1 with y = 7x - 9 we get,

m = 7

<h3>Find the equation of the line that is perpendicular to this line and passes through the point (6, -2)</h3>

We know that,

Product of slope of a line and slope of line perpendicular to given is always -1

Therefore,

$7 \times \text{ slope of line perpendicular to it } = -1\\\\\text{ slope of line perpendicular to it } = \frac{-1}{7}$

Now find the equation of line:

$\text{ Substitute } m = \frac{-1}{7} \text{ and } (x, y) = (6, -2) \text{ in eqn 1}$

$-2 = \frac{-1}{7} \times 6 + b\\\\-2 = \frac{-6}{7} + b\\\\b = -2+\frac{6}{7}\\\\b = \frac{-14+6}{7}\\\\b = \frac{-8}{7}$

$\text{Substitute } m = \frac{-1}{7} \text{ and } b = \frac{-8}{7} \text{ in eqn 1}\\\\y = \frac{-1}{7}x -\frac{8}{7}$

Thus the equation of line perpendicular to given line is found

<h3>Find the equation of the line that is parallel to this line and passes through the point (6, -2)</h3>

Slopes of parallel lines are equal

Therefore, m = 7

Substitute m = 7 and (x, y) = (6, -2) in eqn 1

-2 = 7(6) + b

-2 = 42 + b

b = -44

Substitute m = 7 and b = -44 in eqn 1

y = 7x - 44

Thus equation of line parallel to given line is found

8 0

3 years ago