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shusha [124]
3 years ago
7

Ok so i need the work and answer for this problem is due asap click the picture.

Mathematics
2 answers:
dlinn [17]3 years ago
8 0

Answer:

C

Step-by-step explanation:

To find the rate of people per bus, just add the total number of people going by the number of buses required:

217 + 35 = 252 / 7 = 36 people per bus

Hope this helps :)

IRISSAK [1]3 years ago
7 0

Answer:

C. 36

Step-by-step explanation:

There are 217 students and 35 adults.

217 + 35 = 252 people

There are 7 buses for 252 people

252 people ÷ 7 buses = 36 people per bus

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PLEASEE HELP FASTTT :(( Suppose point Tis between points R and V on a line. If RT = 6.3 units and RV = 13.1 units, then
topjm [15]

Answer:

6.8

Step-by-step explanation:

simply subtract the length of RT from RV

13.1 - 6.3

3 0
4 years ago
Find the area of an equilateral triangle of the height of the triangle is 15cm
Gennadij [26K]

Answer:

129.9 cm^2

Step-by-step explanation:

You can use the Law of Sines to find the hypotenuse. Because it's an equilateral triangle, it's the same value for the base. If you plug in the proper angles, being 90 degrees and 60 degrees because it's an equilateral triangle, the value of the base should be 17.32050808, or 17.32 if we're rounding. If you use the usual formula for finding the area of a triangle, b * h / 2 to get an answer of 129.9 cm^2. Hope this helps and isn't too confusing! There's a bunch of lessons on Khan Academy if you need more help!

This is a bit advanced for middle school, so we might be missing some information.

7 0
3 years ago
he weight of male babies less than months old in the United States is normally distributed with mean pounds and standard deviati
Degger [83]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is

X: Weight of a male baby (pounds)

X~N(μ;σ²)

μ= 11.5 pounds

σ= 2.7 pounds

a) Find the 81st percentile of the baby weights.

This percentile is the value that separates the bottom 81% of the distribution from the top 19%

P(X≤x₁)= 0.81

For this you have to use the standard normal distribution. First you have to look the 81st percentile under the Z distribution and then "translate" it to a value of the variable X using the formula Z= (X- μ)/σ

P(Z≤z₁)= 0.81

z₁= 0.878

z₁= (x₁- μ)/σ

z₁*σ= x₁- μ

(z₁*σ) + μ= x₁

x₁= (z₁*σ) + μ

x₁= (2.7*0.878)+11.5

x₁= 13.8706 pounds

b) Find the 10th percentile of the baby weights.

P(X≤x₂)= 0.10

P(Z≤z₂)= 0.10

z₂= -1.282

z₂= (x₂- μ)/σ

z₂*σ= x₂- μ

(z₂*σ) + μ= x₂

x₂= (z₂*σ) + μ

x₂= (2.7*-1.282)+11.5

x₂= 8.0386 pounds

c) Find the first quartile of the baby weights.

P(X≤x₃)= 0.25

P(Z≤z₃)= 0.25

z₃= -0.674

z₃= (x₃- μ)/σ

z₃*σ= x₃- μ

(z₃*σ) + μ= x₃

x₃= (z₃*σ) + μ

x₃= (2.7*-0.674)+11.5

x₃= 9.6802 pounds

I hope this helps!

8 0
3 years ago
Jen borrowed $1500 from her parents for car repairs she plans to take 10% of her 450$ weekly income to pay them back at this rat
wolverine [178]
1500/45= about 33.33 weeks.
4 0
3 years ago
Please help! <br> i have no clue what to do!!
Oksi-84 [34.3K]

If you look up “Four 4s Challenge” on yt you should find a couple videos explaining it! i just watched a little bit of one so i’ll try and help now though.

I’ll do 1-5 for you and try my best to explain :)) and if you need more answers or more help just let me know

So first, we need to find out how to get 1 using four 4s

1. (4/4)/(4/4)

this would read “four divided by four divided by four divided by four” which equals 1

2. 4/4+4/4

3. (4+4+4)/4

4. 4*(4-4)+4

5. (4*4+4)/4

Remember that you’ve gotta use an equation with just four 4s to get to every number

8 0
3 years ago
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