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scZoUnD [109]
3 years ago
9

Evaluate 28÷7×4 plzzzzzzzzzzzzzzzzzzzzzz

Mathematics
2 answers:
disa [49]3 years ago
7 0

Answer:

1

Step-by-step explanation:

28 ÷ 7 × 4

= 28/28

= 1 .....

klemol [59]3 years ago
3 0

Hey there!☺

Answer:\boxed{16}

Explanation:

\frac{28}{7}\times4

Start by simplifying 28/7:

\frac{28}{7}=4

Now multiply 4 by what we have left, which is 4:

4\times4=16

16 is your answer.

Hope this helps!☺

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A certain brand of jelly beans are made so that each package contains about the same number of beans. The filling procedure is n
pantera1 [17]

Answer:

p=0.063

Step-by-step explanation:

Let X be number of the certain brand of jelly beans that are made so that each package contains about the same number of beans.

X is N(375, 8)

YOu are collecting a sample size of

n = 8

Findings from the sample

\bar x =370\\

H_0: \bar x =375\\H_a: \bar x

(Left tailed test at 5% level)

Since sample size is small though sigma is known we use Z test, since norm

Mean difference = -5

Std error = \frac{8}{\sqrt{8} } =2.828

Test statistic t = mean diference / std error = \frac{-5}{2.828} \\=-1.768

df = n-1 =5

p value = 0.063

7 0
3 years ago
The histogram shows the distributions of essay scores for high school sophomores and juniors in a contest. Which comparison of t
goblinko [34]

Answer:

A=Both distributions are nearly symmetric

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
If f=ma, what is the value of f when m=5 and a=3?
Feliz [49]
The answer is:  15 .
__________________________                                                _____
{Note:  If this is a physics problem ; and the formula: "F = m*a" is for:  
    "Force = mass * acceleration" ;  be sure that the correct units are used!}.
_______________________________________________________
Explanation:
_______________________________
 F = m * a ;

Given m = 5 ;
        
           a = 3 ;
___________________
 F = 5 * 3 = 15 .
_____________________
3 0
3 years ago
The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for
dezoksy [38]

Answer: 44 gallons

Step-by-step explanation:

Using proportion,

33 gallons = 3hours

X = 4hours

Cross multiply

3 × X = 33 × 4

3X = 132

Divide bothside by 3

3x/3 =132/3

X = 44

Therefore the helicopter uses 44gallons for 4 hours.

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B3%7D%20%20%5Cdiv%20%20%5Cfrac%7B1%7D%7B12%7D%20" id="TexFormula1" title="
elena55 [62]
I think it is 6/3 not sure
4 0
3 years ago
Read 2 more answers
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