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olganol [36]
3 years ago
10

What is -a^-2 of a =-5. A.-25. B.25. C.-1/25. D.1/25

Mathematics
1 answer:
nevsk [136]3 years ago
3 0
I think the answer would be C but I am not certain.
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CAN SOME ONE HELP ME WITH THIS HURRY PLEASE
Nina [5.8K]
7) x= men
x+6= women

x + (x+6)= 30
2x + 6= 30
2x= 24
x= 12
x+6= 18

8) x= first integer
x+1= second integer
x+2= third integer

x + (x+1) + (x+2)= 153
3x + 3= 153
3x= 150
x= 50

Second integer
= x+1
= x+50
= 51

9) x= first integer
x+2= second integer
x+4= third integer

x + (x+2) + (x+4)= 54
3x + 6= 54
3x= 48
x= 16

x + (x+2)= 34
16 + 16 + 2= 34
34=34

10) rate= 356 km/hr
distance= 1424 km

Distance= rate * time
D= rt
1424= 356 * t
divide both sides by 356
4 hrs= t


ANSWERS:
7) 18 (B - second choice down)
8) 51 (B - second choice down)
9) 16 (D - fourth choice down)
10) 4 (B- second choice down)

Hope this helps! :)
6 0
3 years ago
What is the focus of a parabola with equation y^2=4x
givi [52]
Vertex: <span><span>(0,0)</span><span>(0,0)</span></span>Focus: <span><span>(1,0)</span><span>(1,0)</span></span>Axis of Symmetry: <span><span>y=0</span><span>y=0</span></span>Directrix: <span>x=−<span>1</span></span>
5 0
3 years ago
Read 2 more answers
Please help i mark brainiliest​
7nadin3 [17]

Answer:

2: 15

3: 20

for the second chart

0: -2

2: 8

4: 18

6: 28

I hope this helped :))

i hope this is correct '~'

6 0
2 years ago
Which of the following situations best describes the situation modeled by P = 2(1,000 feet) + 2(875 feet)? Select all that apply
ki77a [65]

Answer:

I think the answer is B

Step-by-step explanation:

4 0
3 years ago
In the diagram, line segment CD is the perpendicular bisector of line segment AB, and E is a point not on either line that is on
Lelu [443]

Answer:

E would be closer to A

explanation:

if they were the same distance from both A and E it would be a point on the line CD, and if it was closer to E it would be on the other side of line CD.

i hope this is right :/

4 0
3 years ago
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