3 years ago

80% of (?) = 720? Please help me been stuck for 5 minutes.

1 answer:

3 0

Answer:576

Step-by-step explanation:Get your percent which is 80 and put a decimal behind it. Then move the decimal two steps to the left and remove the %. Then just multiply

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Percy paid $24. 10 for a basketball. The price of the basketball was $22. 99. What was the sales tax rate?.

Alika [10]

Answer:

$3.11

Step-by-step explanation:

you have to subtract 24.10 from 22.99

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2 years ago

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Solve the equation by completing the square. round to the nearest hundredth if necessary. x^2-6x=20

amm1812

X^2 - 6x = 20
x^2 - 6x + 9 = 20 + 9
(x - 3)^2 = 29
x - 3 = (+-) sqrt 29
x = 3 (+-) sqrt 29
x = 3 (+-) 5.39

x = 3 + 5.39 = 8.39 <=
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3 years ago

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svet-max [94.6K]

Answer:

7x-y=-4

Step-by-step explanation:

Let me know if this right please :(

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2 years ago

What must be added to -31 to get 12

konstantin123 [22]

Answer:

Step-by-step explanation:

31+12=43

Therefore adding 43 to -31 should give the answer 12.

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2 years ago

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Instructions: Select the correct answer from each drop-down menu.

vovangra [49]

Answer: The answer is (A) $\dfrac{4}{3}.$ and (C) $4x-3y=0.$

Step-by-step explanation: We are given a graph with a point A having co-ordinates (3, 4) and origin O(0, 0). We are to find the slope and equation of line OA.

Since O(0, 0) and A(3, 4) are two points on the line OA, so its slope will be

$m=\dfrac{4-0}{3-0}=\dfrac{4}{3}.$

And the equation of the line will be

$y-0=\dfrac{4}{3}(x-0)\\\\\\\Rightarrow y=\dfrac{4}{3}x\\\\\\\Rightarrow 3y=4x\\\\\Rightarrow 4x-3y=0.$

Thus, the correct options are (A) and (C).

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3 years ago