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Mazyrski [523]
4 years ago
10

Bruno noticed today’s gasoline price at the local convenience store was advertised as $3.40 per gallon. This price is 15% above

last year’s price. Calculate last year’s price.
Mathematics
1 answer:
Lisa [10]4 years ago
3 0

Answer:

Last year’s price = $2.96

Step-by-step explanation:

Given:

Current price of gasoline = $3.40

Higher rate = 15%

Find:

Last year’s price

Computation:

Last year’s price = Current price of gasoline [100 / (100 + 15)]

Last year’s price = Current price of gasoline [100 / (115)]

Last year’s price = $3.40 [100 / (115)]

Last year’s price = 2.95652

Last year’s price = $2.96

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Evaluate 5k + 1 when: *
wlad13 [49]

1

k^2 = 4k

k = 0, k = 4

#2

k^2 - 5k = k + 7

k^2 - 6k = 7

k^2 - 6k + 9 = 16

k - 3 = 4 ⇒ k = 7

k - 3 = -4 ⇒ k = -1

#3

k^3 - 5k^2 + 3k = -k

k^3 - 5k^2 + 4k = 0

k(k^2 - 5k + 4) = 0

k = 0, k = 1, k = 4

#4

|k + 1| + 2 = 8

|k + 1| = 6

k = 5, k = -7

5 0
3 years ago
Janelle has $75. She buys jeans that are discounted 30% and then uses an in-store coupon for $10 off the discounted price. After
AnnyKZ [126]

ANSWER:

The jean were 31.08 dollars

Step-by-step explanation:

75 - 10 = 65

3.26 - 65 = 61.74

61.74 - 17.34 = 44.40

30% of 44.40

= 31.08 dollars

3 0
4 years ago
Can someone answer these please.
fgiga [73]

Volume is V=πr^2\frac{h}{3}  so just plug it in hun,


9) 134.04 m

10)167.55 cm

11)11150.55 m

12)100.53 yd



13) 1256.64 m

14)1526.81 yd

15)103.67 m

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Hope this helps


7 0
3 years ago
When 0.3(4x – 8) – 0.5(–2.4x + 4) is simplified, what is the resulting expression?
SVETLANKA909090 [29]

Answer:

2.2x - 4.4

Step-by-step explanation:

0.3(4x-8) - 0.5(-2x+4)

1.2x-2.4-0.5 (-2x+4)

1.2x - 2.4 + x-2

2.2x - 4.4

Hope this helped :)

4 0
3 years ago
Read 2 more answers
A man and his three children spent $40 to attend a show. A second family of three children and their two parents spent $53 for t
wariber [46]
The cost for the children tickets is $9
5 0
3 years ago
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