2 years ago

Pleae help me i will mark you brainliestttttttttt

Mathematics

1 answer:

muminat2 years ago

7 0

Answer:

The last one.

Step-by-step explanation:

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Find an equation of the line perpendicular to y = -1/2x – 3 that crosses the point

alisha [4.7K]

Answer:

y = 2x + 4

Step-by-step explanation:

y = - $\frac{1}{2}$ x - 3

Slope of perpendicular line is "2"

( - 3 , - 2 )

y + 2 = 2( x + 3 )

y = 2x + 4

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3 years ago

The expression (y-20)(y5)3 is equivalent to ya. What is the value of a?

Leno4ka [110]

Answer:

y¹⁵-20y¹⁴

Step-by-step explanation:

I'm going to assume that your problem looks like this

$(y-20)(y^5)^3$

$(x^n)^y=x^{n*y}$

which means we have

$(y-20)*y^{15}\\\\y^{16}-20y^{15}=ya\\\\*y^{15}-20y^{14}=a$

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2 years ago

If 12 men can sew 180 shirts in 5 days how long will it take for 15 men to sew 180 shirts

erica [24]

Answer:

12 days

Step-by-step explanation:

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3 years ago

Jane stop to get gas before going on a road trip. The tank already had 4 gallons of gas in it. Which equation relates to the tot

Maslowich

Answer:

y = x + 4

Step-by-step explanation:

Number of gallons still in tank = 4

+ Number of gallons added to tank = x

Total gallons in tank = x + 4

y = x + 4

8 0

3 years ago

Read 2 more answers

A cone has a radius of 7cm and a height of 12 cm. Find the volume

Dmitrij [34]

9514 1404 393

Answer:

196π cm^3 ≈ 615.8 cm^3

Step-by-step explanation:

Put the numbers in the volume formula and do the arithmetic.

V = 1/3πr^2·h

V = 1/3π(7 cm)^2(12 cm) = 196π cm^3 ≈ 615.8 cm^3

7 0

3 years ago