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zhuklara [117]
3 years ago
11

Write a fact with the same sum as 7+5

Mathematics
1 answer:
IrinaK [193]3 years ago
7 0
5+7 because i switched it and yeah...
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The two short sides of a triangle are 3 and 4 inches. what is the length of the hypotenuse,in inches?​
disa [49]

Answer:

The length of the hypotenuse is 5 inches.

Step-by-step explanation:

The formula for finding the hypotenuse is a^{2} + b^{2} = c^{2},

with a and be being the two shorter sides of the triangle, while c is the hypotenuse.

Let's plug in our values for a and b and solve.

4^{2} + 3^{2} = c^{2}

16 + 9 = c^{2}

25 = c^{2}

What is the square root of 25? 5.

The length of the hypotenuse is 5 inches.

3 0
3 years ago
Read 2 more answers
Multiply.
Elis [28]

Hey there!

Answer:\boxed{\text{C.}108.73608}

Explanation:

31.246*3.48

Multiply to solve.

\boxed{\text{C.}108.73608}\text{ is your answer.}

Hope this helps!

\text{-TestedHyperr}

4 0
3 years ago
.A variety of stores offer loyalty programs. Participating shoppers swipe a bar-coded tag at the register when checking out and
Leni [432]

Answer:

a) Null hypothesis:\mu \leq 120  

Alternative hypothesis:\mu > 120  

b) t=\frac{130-120}{\frac{40}{\sqrt{80}}}=2.236  

The degrees of freedom are given by:

df = n-1 = 80-1=79

The p value for this case taking in count the alternative hypothesis would be:

p_v =P(t_{79}>2.236)=0.0141  

Step-by-step explanation:

Information given

\bar X=130 represent the sample mean for the amount spent each shopper

s=40 represent the sample standard deviation

n=80 sample size  

\mu_o =120 represent the value to verify

t would represent the statistic    

p_v represent the p value f

Part a

We want to verify if the shoppers participating in the loyalty program spent more on average than typical shoppers, the system of hypothesis would be:  

Null hypothesis:\mu \leq 120  

Alternative hypothesis:\mu > 120  

The statistic for this case would be given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}} (1)  

Replacing the info given we got:

t=\frac{130-120}{\frac{40}{\sqrt{80}}}=2.236  

The degrees of freedom are given by:

df = n-1 = 80-1=79

The p value for this case taking in count the alternative hypothesis would be:

p_v =P(t_{79}>2.236)=0.0141  

5 0
3 years ago
If a system of linear equations has infinitely many solutions, then the graph of the system is:
vichka [17]
I think the answer is a
6 0
3 years ago
Can someone help me plzzz
azamat
Vcylinder = πr2h

After plugging everything in you should get (3.14)(3.9)(30) this simplifies should get you 367.38m^3. Hope this helps!
7 0
2 years ago
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