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Arturiano [62]
3 years ago
8

NEED HELP PLEASEE!!! I START SCHOOL TOMORROW

Mathematics
2 answers:
Lynna [10]3 years ago
8 0

Answer:

27. 110.5

28. 33%

29. 20%

Step-by-step explanation:

27. subtract 15% of 130 from 130

so 15% of 130 is 19.5

130 - 19.5 = 110.5

28. find markup first by subtracting the prices = 55

percent markup = 55/165 × 100

= 33%

29. subtract the two = 29 discounted

29/145 ×100 = 20% discount

sorry if the explanations aren't detailed. lemme know if u still don't understand.

erastovalidia [21]3 years ago
3 0
27. 110.5%
28. I can’t figure out.
29. 20%
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Melissa used her credit card to buy a $745 refrigerator. She kept the refrigerator for exactly nine years, during which time it
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Answer:

37.77

Step-by-step explanation:

P= PV x i / 1- (1+i)^-n

PV = 745

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N = 4 x 12 = 48

.19 x (365 x 9) = 624.53

21.4338469 x 48= 1028.12

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3 years ago
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37

Step-by-step explanation:

3 0
2 years ago
Pls help me with answer
Black_prince [1.1K]

Answer:

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Step-by-step explanation:

4 0
2 years ago
1. James ran 3 kilometers after school. How many meters did james run? 2. Find the volume of the cube 3 1/2
ankoles [38]

Answer:

3000m

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5 0
3 years ago
Which expression below gives the average rate of change of the function h(x)=4^(x+2)+7 on the interval –3 ≤ x ≤ 5?
viktelen [127]

Answer:

\frac{4^8-1}{32}

Step-by-step explanation:

h(x)=4^{(x+2)} +7

We know that formula for average rate of change of a function from a to b is

\frac{f(b)-f(a)}{b-a}

Here f equals h and a =-3 b=5

h(a) = 4^{5+2} +7 = 4^7+7

and

h(b) = 4^{-3+2} +7 = \frac{1}{4} +7

h(b)-h(a) =4^7-\frac{1}{4} =\frac{4^8-1}{4}

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Hence average rate of change is

\frac{4^8-1}{4}(\frac{1}{8} )=\frac{4^8-1}{32}

7 0
3 years ago
Read 2 more answers
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