Three apples and 2 oranges cost $1.25, while 2 apples and an orange were 75 cents. At the rate, find the cost of 6 apples and an orange. ( please show steps thanks!)

Answers

Answer 1

Answer: x - apple
y - orange

$3x+2y=1.25\n 2x+y=0.75\n\n 3x+2y=1.25\n -4x-2y=-1.5\n --------\n -x=-0.25\n x=0.25\n\n 2\cdot0.25+y=0.75\n 0.5+y=0.75\n y=0.25\n\n 6x+y=6\cdot 0.25+0.25=1.5+0.25=\boxed{1.75}$

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Can someone help me in probability?Amanda wrote a computer program that generates two random numbers between one and eleven.When she runs it,what is the probability that both values will be more than three?

Answers

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Which expression gives the volume of a sphere with radius 8?A. 4(83)
B. (82)
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Answers

Given:
radius = 8

Volume of a sphere = 4/3 * π * r³

V = 4/3 * 3.14 * 8³
V = 1.33 * 3.14 * 512
V = 2,138.21 cubic unit

The volume of a sphere is (4/3)π(r^3)

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Which interval contains a local minimum for the graphed function?

Answers

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Suppose P is between M and N. If MN = 10, MP = x-3, and PN = x+1, what is the value of x?

Answers

MN = MP + PN

10 = (x - 3) + (x + 1)

10 = x + x - 3 + 1

10 = 2x - 2 (add 2 to each side)

12 = 2x (divide 2 from each side)

12/2 = x

6 = x
answer

The sales tax rate is 8%. Estimate the tax on a jacket that costs $69.95.

Answers

Answer:

8% is the same as (.08)x69.95=.556 or .56 ( because of rounding )

so .56 plus 69.95= $70.51

Step-by-step explanation:

Add 8% and 69.95 and then add 69.95 again to that answer and ta da!

Solve the inequality:

4|x+5| -2 <10

Answers

4 |x + 5| - 2 < 10 4 |x + 5| - 2 < 10
4 |x + 5| < 12 4(x + 5) - 2 < 10
------------ ----- 4x + 20 - 2 < 10
4 4 4x + 18 < 10
|x + 5| < 3 4x < -8
-x - 5 < 3 ---- ------
-x < 8 4 4
---- --- X < -2
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-8 < x < -2

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