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3 years ago

Simplify 8 over negative 3 divided by negative 4 over 9 . (5 points) -8 -6 6 8

Mathematics

1 answer:

denpristay [2]3 years ago

3 0

Answer:

Step-by-step explanation:

(8/3) / (-4/9)

when dividing fractions you use the acronym k.c.f (keep change flip)

keep the first fraction

change the operation (divide to multiply)

flip the other fraction

(8/-3) x (9/4)

after re-writing your expression, you want to solve

do this by multiplying both numerators by each other and same with the denominators

(-8x9) / (3x-4)

then you get a new fraction,

-72/-12

simplify,

-72/-12 = 6 (multiplying/dividing 2 negatives will always give you a positive)

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Which soap deal has the lowest price per ounce?

AVprozaik [17]

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3 years ago

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Answer:

$x = 9.7$

Step-by-step explanation:

Given

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3 years ago

Determine whether a triangle with the given side lengths is a right triangle.

lys-0071 [83]

Answer:

yes yes no no

Step-by-step explanation:

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3 years ago

The formula can be used to work outthe cost, in riyals, of hiring a helmet inQatar for a number of days.Kasun wants to hire a bi

Margaret [11]

Answer:

The answer is below

Step-by-step explanation:

a) Cost of hiring the bicycle for 14 days is:

Cost = 65 * 14 days + 44 = 954 riyals

b) The number of days the bicycle is hired is to be the same as the number of days the bicycle is to be hired. Let us assume that the bicycle and helmet is to be hired for x days, hence:

Cost of bicycle = 65 * x + 14 = 65x + 44

Cost of helmet = 12.5 * x = 12.5x

Total cost = 65x + 44 + 12.5x = 77.5x + 44

Since 750 riyals is available, hence:

750 = 77.5x + 44

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Therefore the maximum number of days is 11. The total cost for 11 days is:

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3 years ago

Write an equation of the line that passes through (18, 2) and is parallel to the line 3y - x = -12

GarryVolchara [31]

First you need to find the slope.
You do this by adding x to both sides to get 3y=x-12
Then, you divide by three on both sides to get y=1/3x -4
to find the new y intercept you insert the point and the slope in the equation
2=1/3(18)+b
You multiply 1/3 and 18 to get 2=6+b
Finally you subtract 6 on both sides to get -4=b.
This means that the equation of the line is the same as the given line

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3 years ago