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Anarel [89]
3 years ago
6

Find the Z score of 78 with a mean of 75 and standard deviation of 4

Mathematics
1 answer:
kompoz [17]3 years ago
6 0
Meld,elellelee,lee,”d,d
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Please help<br> c=x+b solve for x
fredd [130]

Answer:

x = c - b

Step-by-step explanation:

c = x + b

Subtract b on both sides,

c - b = x + b - b

c - b = x

x = c - b

Hence, solved.

5 0
2 years ago
13x + 15=17x-13 solve for the solution
Archy [21]

Answer: x=7

Step-by-step explanation:

Step 1: Subtract 17x from both sides.

13x+15−17x=17x−13−17x

−4x+15=−13

Step 2: Subtract 15 from both sides.

−4x+15−15=−13−15

−4x=−28

Step 3: Divide both sides by -4.

−4x/−4 =−28/−4

x=7

6 0
3 years ago
4 * x² - (6+y) when x = -2 and y = -9​
aalyn [17]

Answer:

4 * (-2)^2 - (6+(-9))

= 4 * 4 - (-3)

= 16 - (-3)

= 16 + 3

= 19

8 0
2 years ago
Find the area of the hexagon.<br> A) 36 in2 <br> B) 52 in2 <br> C) 78 in2 <br> D) 144 in2
s2008m [1.1K]

Answer: C) 78 in2

Step-by-step explanation:

The polygon is divided into two trapezoids with equal measurements.

Area of a trapezoid:

1

2

(b1 + b2)h

Since the area of the hexagon equals the area of two trapezoids with equal measurements, do not multiply by 1/2.

(b1 + b2)h

(10 + 16)3

26(3)

78 in2

4 0
3 years ago
Change 1 2/20 to a percent
True [87]

Answer:

110%

Step-by-step explanation:

1 2/20=22/20 which = 110%

8 0
3 years ago
Read 2 more answers
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