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Eduardwww [97]
3 years ago
8

The area that lies between Z= - 0.42 and Z= 0.42 is

Mathematics
2 answers:
valentinak56 [21]3 years ago
5 0

Answer:

the answer is 0.84

Step-by-step explanation:

assume the two numbers are on a number line and take the absolute value of their difference

7nadin3 [17]3 years ago
3 0
The answer is 0.84 assume that the two numbers are on a number line
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Solve the following by elimination method <br> 11x+15y+23=0 and 7x-2y-20=0
mr Goodwill [35]
Let 11x + 15y + 23 = 0 be equation (1)
And 7x - 2y - 20 = 0 be equation (2)

Multiply equation (1) by 2:
22x + 30y + 46 = 0

Multiply equation (2) by 15:
105x - 30y - 300 = 0

Add equations (1) and (2):
22x + 105x + 30y - 30y + 46 - 300 = 0
127x - 254 = 0
127x = 254
x = 254/127
[x = 2]

Substitute x = 2 in equation (1) to find y:
11(2) + 15y + 23 = 0
22 + 15y + 23 = 0
15y + 45 = 0
15y = -45
y = -45/15
y = -3

Therefore, x = 2 and y = -3.
7 0
3 years ago
Solve this equation for k.<br><br> 3 − 3k + 7k = 5b<br><br> Enter the correct answer in the box.
Sloan [31]

Answer:

k=5b/4−3/4

Step-by-step explanation:

3-3k+7k=5b

Isolate the variable by dividing each side by factors that don't contain the variable.

k=5b/4−3/4

-hope it helps

8 0
2 years ago
Free points !!!!!<br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7B1%7D%20" id="TexFormula1" title=" \sqrt[3]{1} " a
Artist 52 [7]

Answer:

hello there

your answer is <u>1</u>

Step-by-step explanation:

hope it helps....

thanks for the free points!!!

7 0
2 years ago
Please answer NO LINKS
777dan777 [17]

Answer:

try 2640 if thats not it then i did my math wrong

Step-by-step explanation:

3 0
3 years ago
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7 hundreds times ten equals
GaryK [48]


70 is 7 times 10 man

5 0
3 years ago
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