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Rzqust [24]
2 years ago
8

The scores on a test have a mean of 78 and a standard deviation of 6.5. A student scored a 67 on the test. What is the Z-Score a

ssociated with this score?
Mathematics
1 answer:
Komok [63]2 years ago
5 0

Answer:

76

Step-by-step explanation:

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Is 3/4 less than 2/10??
oksano4ka [1.4K]

Answer:

No.

Step-by-step explanation:

3/4 is not less than 2/10.

3/4 = 15/20

2/10 = 4/20

15/20 > 4/20

7 0
2 years ago
Read 2 more answers
. Solve the given equation <br>3m+7<br>____=13/6<br>5m-4 ​
oee [108]
Answer is X=2
Merry Christmas
5 0
2 years ago
Read 2 more answers
(No links please) There were 2 red marbles, 3 blue marbles and 5 gold marbles in a bag.
Rashid [163]

Answer:

5/9

Step-by-step explanation:

You started with 10 marbles total. You removed one marble and did not replace it, so you now have 9 marbles. The marble that you removed was NOT a gold marble, so you still have 5 gold marbles.

This means that out of the 9 marbles that you have left, 5 of them are gold.

This means you have a 5/9 chance of drawing a gold marble next.

4 0
2 years ago
(x + 7)(x + 10) = what is the answer
ch4aika [34]

We can use FOIL to solve.

(x + 7)(x + 10)

(x * x) + (x * 7) + (7 * x) + (7 * 10)

x² + 7x + 7x + 70

x² + 14x + 70

Best of Luck!

8 0
3 years ago
The length of a rectangle is twice its width. if the perimeter of the rectangle is 36 cm , find its area.
Brut [27]
L = Length
W = Width

L x W = area
Length = 2w

Lets find the width by solving for w.
2w + w = 36 
3w = 36
3w/3 = 36 / 3 
w = 12

So
L = 2 x 12 = 24
W = 12
L X W = area
24 x 12 = 288 cm^2

6 0
3 years ago
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