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monitta
3 years ago
14

Giving Brainliest to whoever answers well & first. 

Mathematics
2 answers:
Ne4ueva [31]3 years ago
7 0
Hopefully this helped :D

Blababa [14]3 years ago
4 0
∠C and ​ ∠D ​ are vertical angles with m∠C=−2x+90 and m∠D=x−30 .

m∠D = 10
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Suppose you wanted to make an open-topped box out of a flat piece of cardboard that is 25 inches long
grigory [225]

i dont know man

Step-by-step explanation:

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7 0
2 years ago
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Which fraction is the smallest? A. 5⁄6 B. 2⁄3 C. 3⁄5 D. 11⁄15
BabaBlast [244]

Answer:

C

Step-by-step explanation:

5/6=0.83

2/3=0.66

3/5=0.60

11/15=0.73

by changing them to a decimal you get a better look at the amounts they are work and it puts them in a common value.From this you can see that 3/5 is the lowest fraction form the groups so your answer would be <u>C</u>

6 0
3 years ago
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Percentage grade averages were taken across all disciplines at a particular university, and the mean average was found to be 83.
Georgia [21]
Correct Ans:
Option A. 0.0100

Solution:
We are to find the probability that the class average for 10 selected classes is greater than 90. This involves the utilization of standard normal distribution.

First step will be to convert the given score into z score for given mean, standard deviation and sample size and then use that z score to find the said probability. So converting the value to z score:

z-score= \frac{90-83.6}{ \frac{8.7}{ \sqrt{10} } } \\  \\ &#10;z-score =2.326

So, 90 converted to  z score for given data is 2.326. Now using the z-table we are to find the probability of z score to be greater than 2.326. The probability comes out to be 0.01.

Therefore, there is a 0.01 probability of the class average to be greater than 90 for the 10 classes.
5 0
3 years ago
Please answer both!
Naya [18.7K]

Answer:

36)12(37)0.67

Step-by-step explanation:

36)A=base×height

A=2×6

A=12

37)A=a+b/2h

A=2+6/12

A=8/12

A=0.67

8 0
3 years ago
Julie walked less than 2 miles? its 6 grade lesson8.3p
Novosadov [1.4K]

Answer:

huh?, give the full answer please

Step-by-step explanation:

6 0
3 years ago
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