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Gnom [1K]
3 years ago
13

Is it possible to have an expression that uses brackets without using any parentheses???Explain.help plz

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0
Yes it is possible if it doesn't have parentheses

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Sally plans to enclose a square garden with fencing. The area of the garden is 1600 square feet. How many feet of fencing does s
Llana [10]

Answer:

160 ft

Step-by-step explanation:

the length of one side would be √1600 which is 40 so 40• 4 is 160

4 0
3 years ago
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What’s the answer to -7(x-4) =63
choli [55]

-7(x-4) = 63. Divide each side by -7.

x - 4 = -9. Add 4 to each side.

x = -5

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3 years ago
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Write the percent as a decimal 0.25%
Digiron [165]

Answer:

.0025

Step-by-step explanation:

.25%/100=.0025

7 0
3 years ago
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A circle has a circumference of 18. It has an arc of length 6. What is the central angle of the arc, in degrees?
nadya68 [22]
Circumference: 2πr C=18 so r= 18/2π= 9π

Arc length = rθ 6=(9π)θ θ=6/9π

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4 0
3 years ago
Can someone help me please?
Gwar [14]

Answer:

10.5 cm^2

Step-by-step explanation:

Area of a triangle = 1/2(L x H)

Reading from the diagram

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height = 3 cm

therefore

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Area = 10.5 cm^2

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3 years ago
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