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Burka [1]
3 years ago
10

Solve the following problem A (-5-(-2)=

Mathematics
2 answers:
photoshop1234 [79]3 years ago
5 0
The answer is -5(-2) which = positive 10.
aleksandrvk [35]3 years ago
4 0
-10             . . . . . . .  . . . . . . . . . . . . . . . . . . . . .  .
                                                            
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What is the area of the trapezoid with height 11 units?
cricket20 [7]
I hope this helps you



Area =(34+16).11/2


25.11


Area =275
6 0
3 years ago
Simplify -4(-8x-8) in distributive property
frosja888 [35]

Answer:

32x+32

Step-by-step explanation:

In the distributive property, you have to multiply the thing outside the parenthesis to each term in the parenthesis. -4*-8x=32x and -4*-8=32, so the answer would be 32x+32

4 0
3 years ago
Percentage grade averages were taken across all disciplines at a particular university, and the mean average was found to be 83.
Georgia [21]
Correct Ans:
Option A. 0.0100

Solution:
We are to find the probability that the class average for 10 selected classes is greater than 90. This involves the utilization of standard normal distribution.

First step will be to convert the given score into z score for given mean, standard deviation and sample size and then use that z score to find the said probability. So converting the value to z score:

z-score= \frac{90-83.6}{ \frac{8.7}{ \sqrt{10} } } \\  \\ 
z-score =2.326

So, 90 converted to  z score for given data is 2.326. Now using the z-table we are to find the probability of z score to be greater than 2.326. The probability comes out to be 0.01.

Therefore, there is a 0.01 probability of the class average to be greater than 90 for the 10 classes.
5 0
3 years ago
True or false 398+9 = 400+8
defon

Answer: False

Step-by-step explanation:

398 + 9 = 407

400 + 8 = 408

If the equation was 398 + 10 then yes it will be equal to 400 + 8

4 0
3 years ago
Can someone help me with this geometry question please 100% correct only
Brums [2.3K]
The correct answer is a (8^3) because you write out 8 being multiplied 3 times, which is the correct answer

8 0
3 years ago
Read 2 more answers
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