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alisha [4.7K]
3 years ago
9

Geometry homework help???

Mathematics
1 answer:
tatuchka [14]3 years ago
3 0
The explorer's running velocity will be 1/3 the velocity of the train, 45/3 = 15. From those issue statement, the train will a chance to be at the begin of the span The point when those voyagers have run 1/3 of the period of the span. In they run of the much end of the bridge, they will bring run 1/3 of the length of the span when those prepare achieves the close to wind. Beginning starting with those 1/3 point, they will make toward those 2/3 perspective At those prepare achieves those span. The prepare will travel the full period of the span in the the long haul it takes those voyagers to run those remaining 1/3. Accordingly the train must travel toward three times the running speed of the voyager. Train = 45 mph, voyagers = 15 mph. The speed of P&D = 15 mph
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How do I find surface area of a triangular pyramid
emmasim [6.3K]

Use the formula SA=a+1/2ps

a=area of the base

p= perimeter of the base

s= slant height

3 0
3 years ago
Pavel, Ruth and Josh have part-time jobs.
MrMuchimi
M+m+z/3=3m
m+m+z=9m
2m+z=9m
z=7m
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idk but i think that one person gets paid 7 dollars and the other ppl get paid 1 dollar----- this is probably veryyyyy wrong


8 0
3 years ago
A physical trainer decides to collect data to see if people are actually weight changing weight during the shelter in place. He
telo118 [61]

Answer:

H0: µd = 0 (claim)

H1: µd ≠ 0

This is a two-tail t-test for µd

Step-by-step explanation:

This is a paired (dependent) sample test, with its hypothesis is written as :

H0: µd = 0

H1: µd ≠ 0

From the equality sign used in the hypothesis declaration, a not equal to ≠ sign in the alternative hypothesis is used for a two tailed t test

The data isn't attached, however bce the test statistic cannot be obtained. However, the test statistic formular for a paired sample is given as :

T = dbar / (Sd/√n)

dbar = mean of the difference ; Sd = standard deviation of the difference.

3 0
3 years ago
What is the domain of the relation {(2, 8), (0, 8), (–1, 5), (–1, 3), (–2, 3)}?
lesya [120]
(2,0,-1,-1,-2) that is the domain from what I remember. Hope that help
6 0
3 years ago
Read 2 more answers
Solve [(x+7) x 3-5] / 4 = 7<br> What is the first step in this equation
Nitella [24]

Answer:

The first step is to slove the numbers in the brackets

Step-by-step explanation:

[(x+7) x -2] / 4 = 7

-2(x+7) / 4 = 7

-2x-14 / 4 = 7

-2x-14 = 28

-2x = 42

x = -21

PEMDAS

3 0
2 years ago
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