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N76 [4]
3 years ago
9

How do I solve #9? For the past three months, Grace used her cell phone bla bla bla

Mathematics
2 answers:
notsponge [240]3 years ago
6 0
Answer: 58 minutes
55*4=220
62+57+43=162
220-162=58
Dominik [7]3 years ago
5 0

Answer:

58 minutes

Step-by-step explanation: cghwery8gvdfygvudfbdvybughfrg

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The length of a 3D rectangle is 8cm greater than the width and the height is half the length. A total of 108 cm of wire has been
myrzilka [38]

Answer:

L=W+8

(W+8)W=105

W^2+8W=105

W^2+8W-105=0

(W+15)(W-7)=0

W-7=0



3 0
3 years ago
Read 2 more answers
There are 25boys and 15girls in a class.if a student is picked at random .what is the probability that the student is a girl
emmasim [6.3K]

Answer:

Step-by-step explanation:

Total Students in Class = 25+ 15=40

Probability= (Number of Girls in Class) ÷ (Total students in Class)

Probability of girl= 15  ÷ 40 = 0.375

7 0
3 years ago
I NEED HELP PLEASE!! Does anyone understand this??
Contact [7]

Answer: 44.4

Step-by-step explanation:

We are asked to find angle V, so we are going to use our trig ratios to explain this one. They have given us the side opposite of angle v and the hypotunse. angle v. so we are going to be using sine. . SOHCAHTOA.  

First, let use the ratio for sine \frac{opp}{hypo\\} which equal to \frac{7}{10}

then we are to take the arcsine or the sine inverse because we are trying to the angle measure not side length. (sin^{-1}(7/10) which gives us 44.4

6 0
3 years ago
Question 2
Leya [2.2K]
I think it is the last one because the two top line at the top must be the same length
5 0
3 years ago
1/2 x +(-7)- 21/4 x (-2)
Wewaii [24]
<span>1/2 x +(-7)- 2 1/4 x -(-2)
Turn the 2 1/4 into a mixed number:
1/2x + (-7) - 9/4x + 2
Multiply 1/2x by 2/2:
2/4x + (-7) - 9/4x +2
Add common terms:
-7/4x - 5
Turn -7/4x into a mixed number:
-1 3/4x -5

So your answer is
A.) -1 3/4x - 5

</span>
7 0
3 years ago
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