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liq [111]
3 years ago
8

Select the correct answer.

Mathematics
1 answer:
san4es73 [151]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Is the answer

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Which expression is equivalent to 4 (9 + 7)
Bad White [126]

4(9+7) = 36+28 = 64

open the parentheses, then simplify.

8 0
2 years ago
A clothing store spends $11 for each pair of shorts it produces and has fixed costs of $450. If the store makes 40 pairs of shor
zalisa [80]

Answer:

amt. the shop spends on 40 pairs

= $11 × 40

= $440

amt. paid extra (due to fixed cost) per pair

= ($450 - $440) ÷ 40

= $0.25

amt. per pair to break even

= $11 + $0.25

= $11.25

5 0
3 years ago
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What is the equation of a circle with the center (2,3) and radius 3
ruslelena [56]

Answer:

(x - 2)² + (y - 3)² = 9

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

here (h, k) = (2, 3) and r = 3, hence

(x - 2)² + (y - 3)² = 9 ← equation of circle

4 0
4 years ago
Let ​ x^2+18x=44 .​ What values make an equivalent number sentence after completing the square?
Lostsunrise [7]
To find the final term to compete the square you need to divide the 'x' term by 2 then square it

x^2 +18x + = 44+ \\ x^2+18x+( \frac{18}{2} )^2=44+( \frac{18}{2} )^2 \\ x^2+18x+9^2=44+9^2 \\ x^2+18x+81=44+81 \\ (x+9)^2=125 - equivalent equation
6 0
3 years ago
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Express 8.218.218, point, 21 as a mixed number.
Nikolay [14]

Answer:

8 21/100

Step-by-step explanation:

8.21 is read "eight and twenty-one hundredths". The mixed number "eight and twenty-one hundredths" is written ...

8 21/100

7 0
3 years ago
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