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charle [14.2K]
3 years ago
9

4^-2 * 7^-2 select the equivalent expression

Mathematics
1 answer:
Harrizon [31]3 years ago
8 0

Answer:

Step-by-step explanation:

You haven't provided the expressions to choose from.

4⁻² × 7⁻² = (4×7)⁻² = 28⁻² = 1/28²

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The price of calculator is increased from R150 to R174.What is the percentage increased​
kvasek [131]

Answer:

16%

Step-by-step explanation:

(174-150)/150= 0.16

0.16*100 = 16%

8 0
3 years ago
Find the volume of the tank with a radius of 2 m and height of 5 m​
ludmilkaskok [199]

Answer:

20.943951023932 m^3

Step-by-step explanation:

v=1/3pi(r)^2h

v=1/3pi(2)^2(5)

v=20.943951023932 m^3

3 0
3 years ago
Read 2 more answers
Write an equation in slope-intercept form that describes the line through the points (-2,6) and (3, 1).
vladimir1956 [14]

Answer:

y=-x+4

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(1-6)/(3-(-2))

m=-5/(3+2)

m=-5/5

m=-1

y-y1=m(x-x1)

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y-6=-(x+2)

y-6=-x-2

y=-x-2+6

y=-x+4

3 0
3 years ago
Simplify: -4b^6 + (-26b^6)
DENIUS [597]

Answer:

-30b^{6}

Step-by-step explanation:

-4b^6 + -24b^6 = -30b^6

7 0
3 years ago
Solve for b.
tekilochka [14]

Answer:b>-1 and 66/67

Step-by-step explanation:

First you add like terms. So 96+43. Your problem should now look like this -67+6=139. Now subtract 139 from 6 and you will be left with this -67b<133. Now divide 133 by -67 and you get -1.985074627. Or -1 66/67 as a fraction. You have to flip the sign because you divided by a negative number. You answer should look like this b>-1 and 66/67.

4 0
3 years ago
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