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shusha [124]
3 years ago
13

I don't understand how

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
8 0
30 ft should be the answer
Shtirlitz [24]3 years ago
5 0
13 might be the answer
mentally did it
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Mrs. Franklin sells MSU hats and sweatshirts. She is hoping to earn $500 by charging
Anna71 [15]

Answer:

The answer is 20s+10h=500

Step-by-step explanation:

The reason is because 20 times 20=400 and then 10 times 10= 100 then you add those together and get $500

8 0
3 years ago
Find the slope of (3,-1) and (1,5) <br> also find the slope of (-4, -5) and (-2, -5)
nikklg [1K]

Answer:

1.-3

2.0

Step-by-step explanation:

5-(-1)/1-3

6/-2

-3

-5-(-5)/-2-(-4)

0/-2+4

0/2

0

3 0
3 years ago
Read 2 more answers
Add 5 gal 2qt + 4gal 3qt​
loris [4]
It’s 9 gal and 3 qt.
6 0
3 years ago
How many 1/32 ft pieces can be cut from a 7/8 ft long piece of rope?
Mariana [72]

Answer:

28 1/32 ft pieces

Step-by-step explanation:

To solve this problem you need to get both the fractions to have same denominator, to do this we will times 7/8 by 4 to get 28/32. After this we can start comparing them. From the 28/32 we can make 28 pieces because 28*1/32=28/32

3 0
2 years ago
Suppose X has a continuous uniform distribution over the interval [1.3, 6.2]. Round your answers to 3 decimal places.
goldenfox [79]

Answer:

(a) 3.75

(b) 2.00083

(c) 0.4898

Step-by-step explanation:

It is provided that X has a continuous uniform distribution over the interval [1.3, 6.2].

(a)

Compute the mean of X as follows:

\mu_{X}=\frac{a+b}{2}=\frac{1.3+6.2}{2}=3.75

(b)

Compute the variance of X as follows:

\sigm^{2}_{X}=\frac{(b-a)^{2}}{12}=\frac{(6.2-1.3)^{2}}{12}=2.00083

(c)

Compute the value of P(X < 3.7) as follows:

P(X < 3.7)=\int\limits^{3.7}_{1.3}{\frac{1}{6.2-1.3}}\, dx\\\\=\frac{1}{4.9}\times [x]^{3.7}_{1.3}\\\\=\frac{3.7-1.3}{4.9}\\\\\approx 0.4898

Thus, the value of P(X < 3.7)  is 0.4898.

5 0
2 years ago
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