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alukav5142 [94]

3 years ago

7

Riley is starting her own laundry business. Riley thinks she will do a better job than her competitors, so she thinks she can ch

arge $16.80 per hour. If she knows she will only be able to work 40 hours per week, how much money will she earn each week?

1 answer:

ZanzabumX [31]3 years ago

7 0

Answer:

dont copy thos links they are a Scamm

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PLEASE ANSWER<br>250 stamps if 84% of the stamps are foreign, how many other stamps did he collect

Ghella [55]

Answer:

Step-by-step explanation:

He collected a total of 225 stamps. If 88% of the stamps he collected were foreign, how many other stamps did he collect?

4 0

2 years ago

Read 2 more answers

A class consisting of 4 graduate and 12 undergraduate students is random divided into 4 groups of 4. what is the probability tha

MrRissso [65]

Total = 16
Graduates = 4

$\frac{4}{16} = \frac{1}{4}$
$\frac{1}{4} \div 4 \\ = \frac{1}{4} \times \frac{1}{4} \\ = \frac{1}{16}$
$\frac{1}{16} = 0.0625$
Rounding off to 2 decimal places,
Answer is 0.06

Hope this helps. - M

5 0

4 years ago

If a certain cannon is fired from a height of 8.8 meters above the ground, at a certain angle, the height of the cannonball ab

Dennis_Churaev [7]

Answer:

It would take approximately 6.50 second for the cannonball to strike the ground.

Step-by-step explanation:

Consider the provided function.

$h(t)=-4.9t^2+30.5t+8.8$

We need to find the time takes for the cannonball to strike the ground.

Substitute h(t) = 0 in above function.

$-4.9t^2+30.5t+8.8=0$

Multiply both sides by 10.

$-49t^2+305t+88=0$

For a quadratic equation of the form $ax^2+bx+c=0$ the solutions are: $x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

Substitute a = -49, b = 305 and c=88

$t=\frac{-305+\sqrt{305^2-4\left(-49\right)88}}{2\left(-49\right)}=-\frac{-305+\sqrt{110273}}{98}\\t = \frac{-305-\sqrt{305^2-4\left(-49\right)88}}{2\left(-49\right)}= \frac{305+\sqrt{110273}}{98}$

Ignore the negative value of t as time can't be a negative number.

Thus,

$t=\frac{305+\sqrt{110273}}{98}\approx6.50$

Hence, it would take approximately 6.50 second for the cannonball to strike the ground.

6 0

3 years ago

Which planet is an inner planet, and which one is an outer planet? Explain your answer.

Paraphin [41]

Answer:

Planet A is an outer planet, and planet B is an inner planet. Inner planets rotate slowly, so they take more time to complete a rotation. Outer planets rotate faster, so they take less time to complete a rotation.

your welcome !!!

5 0

3 years ago

What is the quotient of 3÷1/6 multiply 3 by

Gelneren [198K]

Answer:

18

Step-by-step explanation:

Change 3 into a fraction.

Which gives you 3/1

multiply 3/1 by the inverse of 1/6

3/1x1/6

Then you get 1 :)

3 0

3 years ago