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noname [10]
3 years ago
8

Please find answer a row for answer on top

Mathematics
1 answer:
mariarad [96]3 years ago
6 0
Deposit = $75   =  30%

(30/100)x  = 75
(3/10)x = 75
0.3x = 75
x = 75/0.3
x = 250
Total cost = $250
deposit = $ 75
Total - deposit = $175
Thus, Marc owe $175 for the rug.

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4x-16=-20 solve for the x
Vadim26 [7]

Answer:

x=-1

Step-by-step explanation:

4x-16=-20

Get x to one side by subtracting it.

-16=-20-4x

Add the 20 on both sides.

-16+20=-4x

Simplify

4=-4x

4/-4=-4x/-4

-1=x

x=-1

4 0
3 years ago
Read 2 more answers
Alan is connecting three garden hoses to make one longer hose.The green hose is 6.25 feel long the orange hose is 5.755 feet lon
nevsk [136]

We will use addition to find the length of the new, longer hose.

6.25 feet + 5.755 feet + 6.5 feet = 18.505 feet is the length of the new longer hose.

8 0
3 years ago
Simplify the following expression 4 + 3 . 7
Brilliant_brown [7]
Multiply the numbers
4 + 3 . 7
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= 25
4 0
2 years ago
A noted psychic was tested for extrasensory perception. The psychic was presented with 2 0 0 cards face down and asked to determ
Natasha2012 [34]

Answer:

C. P- value < 0.04 0.05

Step-by-step explanation:

hello,

we were given the sample size, n = 200

also the probability that the psychic correctly identifies the symbol on the 200 card is

p=\frac{50}{200}= 0.25

using the large sample Z- statistic, we have

Z=\frac{p- 0.20}{\sqrt{0.2(1-0.2)/200} }

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    = 1.7678

thus the P - value for the hypothesis test is P(Z > 1.7678) = 0.039.

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3 0
3 years ago
Simplify please...Simplify Simplify
4vir4ik [10]

Answer:

See images.

Step-by-step explanation:

For these kinds of problems, get a common denominator. Put everything over that common denominator and add or subtract the terms in the numerator. Combine like terms. See images.

8 0
2 years ago
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