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Zigmanuir [339]
3 years ago
5

8/7 x -7/8 solve this.

Mathematics
2 answers:
jasenka [17]3 years ago
7 0
Simplify the expression and then u get -1
Eddi Din [679]3 years ago
3 0

Answer:

i think it is -1

Step-by-step explanation:

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3 3/4 / 2/5 = what? I'm struggling
Soloha48 [4]

Lets convert 3 3/4 into improper fraction first.

3\frac{3}{4}  =  \frac{3 \times 4 + 3}{4}  \\  =  \frac{15}{4}

\frac{3\frac{3}{4} }{ \frac{2}{5} }  \\  =  \frac{15}{4}  \div  \frac{2}{5} \\  =  \frac{15}{4}   \times  \frac{5}{2}  \\  =  \frac{75}{6}  \\  =  \frac{25}{2}  \: or12  \frac{1}{2} or \: 12.5

3 0
3 years ago
According to a U.S. news poll, 38% of students in the class of 2013 had done an internship during their time as an undergraduate
11Alexandr11 [23.1K]

Answer: Option 'a' is correct.

Step-by-step explanation:

Since we have given that

Percentage of students in the class of 2013 has done an internship during their time as an undergraduate student = 38% = p₀

Number of architecture majors = 100

We need to check that whether students at her university had an internship rate that was higher than the national average.

Proportion for her university = 43% = p₁

Here, n = 100

Since n > 30.

so, we can use z-test.

Z-test is generally use to identify whether two means are different when the standard deviation is given.

Hence, it is safe to use the z-test for p.

Therefore, option 'a' is correct.

3 0
4 years ago
Need help with this one question
Bess [88]

Answer:

Step-by-step explanation:

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6 0
3 years ago
Which of the following would you find most useful in giving a coordinate proof that two triangles are congruent by SSS?
yKpoI14uk [10]
Answer:
A. Distance formula

Explanation:
Proving that two triangles are congruent by SSS means that we want to prove that each side in the first triangle is equal to its corresponding side in the second one.
The distance formula is the one to get you the side lengths.

Assume that we want to prove that triangle ABC is congruent to triangle DEF by SSS.
We will use the distance formula to get the lengths of:
AB
BC
AC
DE
EF
DF
Then, we will check the side length that we calculated, if we find that:
AB = DE
BC = EF
AC = DF
Then, the two triangles are congruent by SSS

Hope this helps :)

8 0
3 years ago
Answer this question right and I will mark you brainliest
Alecsey [184]

Answer:

6 phones

Step-by-step explanation:

because there are 6 dots (representing phones) past the point 14.2 hrs

Hope this helps! :) if you have anymore questions like this id be willing to help you if you want.

8 0
3 years ago
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