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3 years ago

14

Maura bought a snow shovel for $40. She charges $15 for each driveway she shovels. The equation p = 15d – 40 gives her the total

profit for shoveling d driveways. Which statement correctly describes what happens when d increases?

1 answer:

zepelin [54]3 years ago

6 0

Answer:

The total profit and the number of driveways increase, but the cost of the shovel stays the same.

Step-by-step explanation:

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Find the value of r .

Sever21 [200]

Answer:

0.5

Step-by-step explanation:

hypotenuse/adjacent=r

7/14=0.5

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4 years ago

\tan \left(18\right)=\frac{x}{20}

noname [10]

Answer:

x ≈ 6.5

Step-by-step explanation:

We have the epresion $tan(18)=\frac{x}{20}$ and we want to find the value of $x$ .

Let's do it step-by-step

Step 1. Multiply both sides of the equation by 20

$tan(18)=\frac{x}{20}$

$20tan(18)=(\frac{x}{20} )(20)$

$20tan(18)=x$

Step 2. use the reflexive property of equality: if $a=b$ then $b=a$

$20tan(18)=x$

$x=20tan(18)$

Step 3. Using a calculator we get that $tan(18)=0.325$ . Replacing that value we get

$x=20(0.325)$

x ≈ 6.5

We can conclude that the value of x is approximately 6.5

4 0

3 years ago

What is the exact distance between the point (-2,-1) and the point (6,8) units

Studentka2010 [4]

Answer:

$\sqrt{145}$ units

Step-by-step explanation:

Distance between 2 points

= $\sqrt{(x1 - x2)^{2} + (y1 - y2)^{2} }$

Thus distance between (-2, -1) and (6, 8)

$= \sqrt{ {(6 + 2)}^{2} + (8 + 1)^{2} } \\ = \sqrt{8^{2} + 9^{2} } \\ = \sqrt{145} \: units$

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4 years ago

Hello can someone please do this for me. i literally need help so bad pls pls pls anything helps :(

iVinArrow [24]

The simplest form is 2 with working out shown on photo

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3 years ago

There are 21 students in your class. The teacher wants to send 4 students to the

aliya0001 [1]

Answer:

4/21

Step-by-step explanation:

since we are only talking about the first day, there are still 21 options for your teachers. there are 4 spots that you can fill, so the probability that you will be picked is 4/21

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3 years ago