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alekssr [168]
3 years ago
8

Evaluate the following 9+(-3)

Mathematics
2 answers:
Illusion [34]3 years ago
8 0
9+(-3)=
9+-3=
9-3=
6
Answer is 6

Karo-lina-s [1.5K]3 years ago
5 0
9+-3 means 9 plus 3 less
basically it is 9-3=6
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Evaluate the expression, if x=4, y=9, and z=7. <br> x(y + z - 3 squared)
atroni [7]
4(9+7-9)
the nines cancel
4*7 =28
3 0
3 years ago
What is the area and perimeter of a rectangle that has base of 18 inches and height of 5 inches
KATRIN_1 [288]

Answer:

area is 90 and perimeter is 46

Step-by-step explanation:

the area for a rectangle is l * w, so 18*5 is 90, and the perimeter is 2l+2w, which is 46.

8 0
3 years ago
Read 2 more answers
I did the first question already I need help with the second pls :&gt;
OleMash [197]

Answer:

The box is considered a cube so,

4 x 4 = 16

56 divided by 16 = 3.5 is your height

1/2 x 1/2 x 1/2 = 1/8.

56 divided by 1/8 = 7 cubes

5 0
3 years ago
40 points | Sierra and Alek each have five cousins. Their ages are listed below.
faust18 [17]

Find the mean for both:

Sierra: 2 + 11 + 12 + 13 + 15 =  53

53/5 =10.6

Median is the middle value = 12

Alek: 9 + 11 + 11 + 12 + 13 = 56

56/5 = 11.2

Median = 11

A: The medians do not equal the mean.

B: Sierra's are more spread out, ( no identical ages and a greater range ).

C: Sierra's mean is less than Alek.

D. Sierra has an outlier (2).

The answer would be B

8 0
2 years ago
Find the common factor and factor out <br> 9ab^2-3abc
dsp73
Lets go step by step and factor out each as we go

first lets factor out a 3 since 3 is common in 9 and 3 

3(3ab^2 - abc) 

now lets factor out a since its common in both 

3a(3b^2 - bc) 

now lets factor out a b since its common in both 

3ab(b - c) 

we can't factor anything else out so we are done. 

4 0
3 years ago
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