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olga_2 [115]
4 years ago
15

It takes

Mathematics
2 answers:
KonstantinChe [14]4 years ago
7 0
There are 56 minutes for 10 people to paint 7 walls!
kumpel [21]4 years ago
5 0
4 people paint 8 walls in 60 minutes

1 person paints 8 walls in 240 minutes

1 person paints 1 wall in 30 minutes

5 people paint 1 wall in 6 minutes

5 people paint  4 walls in <span>24 minutes</span>
You might be interested in
Simplify the following expression and then write down the coefficient of x²: x² + x² + x² + x²
lapo4ka [179]

Answer:

The expression is 4x² and coefficient is 4.

Step-by-step explanation:

All have the same variables, x², so you add up together :

1{x}^{2}  +  1{x}^{2}  +  1{x}^{2}  +  1{x}^{2}

= 4 {x}^{2}

7 0
3 years ago
2) Simplify the expression:<br> - -<br> 1 (6x – 10).
makkiz [27]

Answer:

6x-10

Step-by-step explanation:

see image below

7 0
3 years ago
Faith is tracking the number of burpees she does at a constant rate. Last
bija089 [108]
This is a unit rate question. We can solve this in chronological order of steps:

Step 1: Write out the beginning for the first unit rate.

Faith completed 60 burpees in 5 minutes last week.

Step 2: Since 60 burpees were completed in 5 minutes, we can divide 60 by 5 to find how many burpees were completed in 1 minute.

60 divided by 5 equals 12.
5 divided by 5 equals 1.

Our fraction for how many burpees Faith did in a minute last week is 12/1. This reduces to 12, meaning that Faith did 12 burpees last week.

Step 3: Find the unit rate for this week.

Faith completed 78 burpees in 6 minutes this week. Because of this, we can divide 78 by 6 to find how many burpees Faith completed this week.

78 divided by 6 equals 13.
6 divided by 6 equals 1.

Our final fraction for how many completed burpees Faith did this week is 13/1, which reduces to 13. Therefore, Faith completed 13 burpees per minute this week.

Your final answer: In terms of separate values, Faith completed 12 burpees per minute last week and 13 burpees per minute this week. If you need help, let me know and I will gladly assist you.
6 0
2 years ago
URGENT!! Solve the following for θ, in radians, where 0≤θ&lt;2π.
lidiya [134]

Answer:   0.93 radians & 2.21 radians

<u>Step-by-step explanation:</u>

-4sin^2\theta-3sin\theta+5=0\\\\\text{Since this is not factorable, use the quadratic formula to find the roots:}\\\\sin\theta=\dfrac{-(-3)\pm \sqrt{(-3)^2-4(-4)(5)}}{2(-4)}\\\\\\.\quad=\dfrac{3\pm \sqrt{9+80}}{-8}\\\\\\.\quad=\dfrac{3\pm\sqrt{89}}{-8}\\\\\\.\quad=\dfrac{3\pm9.43}{-8}\\\\\\.\quad=\dfrac{12.43}{-8}\quad and\quad \dfrac{-6.43}{-8}\\\\\\.\quad=-1.55\quad and\quad 0.80\\\\\\\theta=sin^{-1}(-1.55)\quad and\quad \theta=sin^{-1}(0.80)

\theta=not\ valid\qquad and\quad \theta=0.927

\theta = 0.927\ radians\text{\ in the 1st quadrant and}\\\pi-0.927=2.21\ radians\text{\ in the 2nd quadrant}

6 0
4 years ago
Read 2 more answers
Amy is considering visiting her new friend at one of his beach houses in Florida. She really loves the
Oksana_A [137]

Answer:

pensacola if this is wrong sorry anyways

6 0
3 years ago
Read 2 more answers
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