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3 years ago

A gallon of gasoline cost 30 in 1960 and $1.30 in 1980. What was the percent increase in the price of gasoline?

1 answer:

4 0

I think the answer is 77 percent
1.30*.77 is 1.001 plus .30 is 1.301
its one cent over but if you do 76 percent it comes out to 1.288 so thats why i would say its 77 percent increase hope this helps

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What is the value of x in this proportion?

Elina [12.6K]

Answer:

x = -24/5

none of the options listed

Step-by-step explanation:

27=−5x+3

the choices all have x listed as a positive number, so we need to fix the question by moving 5x to the other side of the = and changing its sign.

27 +5x= 3

then move the 27

5x= 3 -27

then subtract

5x = -24

then divide both sides by 5

x = -24/5

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2 years ago

Which expression equals 9^3 sqrt 10

irinina [24]

Answer:

Option B is correct.

$5\sqrt[3]{10} + 4\sqrt[3]{10}$

Step-by-step explanation:

Given the equation: $9\sqrt[3]{10}$

We can write 9 as:

9 = 5+ 4

then;

$(5+4)\sqrt[3]{10}$

Using distributive property:

$a\cdot(b+c)= a\cdot b+ a\cdot c$

Apply distributive property:

$5\sqrt[3]{10} + 4\sqrt[3]{10}$

Therefore, the expression which is equivalent to $9\sqrt[3]{10}$ is $5\sqrt[3]{10} + 4\sqrt[3]{10}$

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3 years ago

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How is ordering fractions on a number line similar to andDifferent from ordering whole numbers or on a number line

tino4ka555 [31]

Answer: Whole numbers are fractions if you add the 1 as the denominator. Fractions on a number line are divided into equal parts but not whole numbers.

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3 years ago

The temperature on sunday was -15 c.The temperature on monday was 12 degrees less than the temperature on sunday . What was the

Anon25 [30]

Temperature on Sunday = -15℃

The temperature on monday was 12 degrees less than the temperature on sunday

Temperature on Monday = -15℃ - 12℃ = -27℃

Temperature on Monday is -27℃.

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3 years ago

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Ronch [10]

Hello!

To find the equation of line that passes through (4, 6) and is parallel to y = 3x + 4, we need to use the slope of the given line, and also to find the y-intercept. We use the same slope of the old equation to make the new equation because if two lines are parallel, then their slopes are <u>always equivalent</u> to one another.

To find the equation, we need to use slope-intercept form, which is written as y = mx + b, where m is the slope and b is the y-intercept.

y = 3x + b (substitute the given ordered pair into the equation)

6 = 3(4) + b (simplify - multiply)

6 = 12 + b (subtract 12 from btoh sides)

-6 = b

Therefore, the equation of the line that passes through (4, 6) and is also parallel to y = 3x + 4, is y = 3x - 6.

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3 years ago