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Assoli18 [71]
3 years ago
12

A set of math tests is normally distributed

Mathematics
1 answer:
Masteriza [31]3 years ago
6 0

Answer:

wat is the actual question for this??

Step-by-step explanation:

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Estimate 874,238 – 228,759 using front-end estimation. (help please!!)
Lynna [10]

Answer:

if we estimate this number its going to be 700,000

8 0
3 years ago
What is the mathematical sentence of "A number increasd by 7 is 15?
svet-max [94.6K]

Answer:

B

Step-by-step explanation:

A number increased by 7 means, 7 was added to the number and the result is 15

6 0
2 years ago
HELPPP!!!
madam [21]

Answer:

2 and a half @ 2.5 inches (sorry i can't type the fraction)

Step-by-step explanation:

  • english is my second language so sorry if you doesn't understand:

(1/2, 1/4)=(x,y)

based on the graph shown that each grid on the y axis represents 1/4, that is the smallest scale stood in the y axis.

this means 2 grid= 1/4 x 2 = 1/2 @ 0.5 inches.

since the '5 months-hair-length' is above about 2 grid above 2 inch:

2 inch + 0.5 inch= 2.5 inch

4 0
3 years ago
Find the value of x in each case:
diamong [38]

Answer:

Step-by-step explanation:

Sum of 3 angles of triangle= 180

147 + 4x + x = 180

147 +5x = 180

5x = 180 - 147

5x = 33

x = 33/5

x = 6•6 (Answer)

8 0
3 years ago
Read 2 more answers
Which of the following describes the correct process for solving the equation 3x+6=21 and arrives at the correct solution?
My name is Ann [436]
The correct solution is C

Subtract 6 from both sides of the equation
        3x + 6 - 6 = 21 - 6
        3x = 15

Then divide both sides by 3

       \frac{3x}{3}   =    \frac{15}{3}
       
       x = 5

4 0
3 years ago
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