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galben [10]
3 years ago
6

The price of gasoline rose from $1.54 to $3.85.

Mathematics
1 answer:
Pavel [41]3 years ago
6 0

Answer:

Step-by-step explanation:

dollar amount of increase = $3.85 - $1.54 = $2.31

percentage increase = (amount of increase)/(original price) = $2.31/$1.54 = 1.5 = 150%

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Tony and Jasmine have a total of 140 pictures. Jasmine and Wenjun have a total of 260 pictures. Given that Wenjun has five times
kupik [55]

Answer:

30

Step-by-step explanation:

T+J = 140

J+W = 260

W= 5T

T+J = 140

5T+J = 260

T+J+120 = 5T+J

120=4T

T=30

J= 110

W=150

6 0
3 years ago
Which of the following is equivalent to (2a + a)(3b + 1)?
yaroslaw [1]

Answer:

9ab+3a

Step-by-step explanation:

(2a+a)(3b+1)=(3a)(3b+1)

3a(3b+1)

=(3a×3b)+3a×1

=9ab+3a

7 0
3 years ago
Which expression represents the algebraic phrase “eleven less than seven times a number”?
STatiana [176]
11-7x because eleven less than is 11- and seven times a number is 7x
6 0
3 years ago
Mrs. Quirk buys 1 quart of milk. Michael drinks 2/7 quart of it. Joel drinks 1/3 quart of it. How many quarts of milk are left?
Vikentia [17]
First, let's find the least common denominator, or LCD of both of them. of the two fractions. 

7 and 3 both go into 21.

Now, multiply the two fractions to get the LCD. Remember, whatever you do to the bottom you must do to the top.

2/7 * 3/3 = 6/21 quart
Michael drank 6/21 quart of milk.

1/3 * 7/7 = 7/21 quart
Joel drank 7/21 quart of milk.

Add together 7/21 and 6/21 to get 13/21, the total amount of milk they both drank from the quart.

Now, subtract 13 from 21 to find how many quarts are left. Simplify if necessary.
21 - 13 = 8/21 quart

Since you can't simplify, there is 8/21 quart of milk left.
Hope I helped! <3
3 0
3 years ago
Y-3=5(x-2)<br> what are the intercepts t of x and y<br> x=(_,_)<br> y=(_,_)
yan [13]

The\ x\ intercept\ is\ (\frac{7}{5}, 0)

The y intercept is (0, -7)

<em><u>Solution:</u></em>

<em><u>Given equation is:</u></em>

y - 3 = 5(x - 2)

<em><u>Find the x intercept</u></em>

Substitute y = 0 in given equation

0-3=5(x-2)\\\\-3=5x - 10\\\\5x = -3 + 10\\\\5x = 7\\\\x = \frac{7}{5}\\\\Thus\ the\ x\ intercept\ is\ (\frac{7}{5}, 0)

<em><u>Find the y intercept:</u></em>

Substitute x = 0 in given equation

y - 3 = 5(0-2)\\\\y - 3 = -10\\\\y = -10 + 3\\\\y = -7

Thus the y intercept is (0, -7)

4 0
3 years ago
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