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3 years ago

-4(x+9)+-16 PLEASE ANSWER FAST

Mathematics

1 answer:

PIT_PIT [208]3 years ago

3 0

Answer:

-4x-52

Step-by-step explanation:

-4(x+9)+(-16)

-4x-36-16

-4x-52

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Richard’s store sells pineapples and grapefruits. Pineapples originally cost $5.15 apiece, and grapefruits originally cost $2.25

sveta [45]

Answer:

c. The price of grapefruits experienced a reduction 6.01 percentage points greater than the price of pineapples.

Step-by-step explanation:

The original price of Pineapples=$5.15

New price of Pineapples=$3.88

Find change in price of Pineapples

Change in price=original price- new price

$=5.15-3.88=1.27$

The price of Pineapple was reduced by $1.27

% reduction in price

(reduction value/original value) × 100

$=\frac{1.27}{5.15} *100=24.66$

=24.66%

The original price of grape fruits=$2.25

New price of grape fruits=$1.56

Change in price of grape fruit

Change in price= original price -new price

$=2.25-1.56=0.69$

% reduction in price of grape fruits

(reduction value/original value)×100

$=\frac{0.69}{2.25} *100=30.67$

=30.67%

Answers

The fruit that has its price reduced by a greater percentage is grape fruit

How many percentage points greater = 30.67%-24.66% = 6.01 points

5 0

4 years ago

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In a classroom, the ratio of pencils to erasers is 9:4. What is the fraction of the number of erasers to pencils?

jeyben [28]

Answer:

$\frac{4}{9}$

Step-by-step explanation:

The ratio of pencils to erasers is

$9:4$

Convert the ratio to a fraction.

$\frac{9}{4}$

The fraction is now pencils to erasers.

The fraction of the number of erasers to pencils is:

$\frac{4}{9}$

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3 years ago

Angel decides to exceed the walking challenge goal. Describe two ways you might adjust the equation or inequality in Part A to r

myrzilka [38]

Answer:

Step-by-step explanation:

The original distance that Angel wanted to walk will be represented as A

Since we don't know the additional distance Angel walked it'll be represented as B

A= the amount of distance Angel wanted to walk

B= the amount of distance Angel wanted to walk past his/her challenge goal

C= the amount of distance Angel walked originally from to past her/his challenge goal

A+B=C

Example:

I decide to work for A hours today as a challenge. Within this time I'm working I decided to extend my goal another B hours.

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3 years ago

i have a problem im struggling with it says. is 6 a solution to the equation x2 - 4=5x explain why or why not?

Eddi Din [679]

Answer:

No, 6 is not a solution to the equation x2-4=5x

Step-by-step explanation:

6(2)-4=5(6)

12-4=30

8=30

The question is basically asking if you replace x with 6, will the equation equal each other on both sides, for example 6=6 or 3.5=3 1/2. In this case the equation gives us 8=30 which means 6 would not be a solution since both sides aren't equal to one another, 30 is bigger than 8.

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4 years ago

What is the value of x? enter your answer in the box. x =

MaRussiya [10]

Answer:

x = 54

Step-by-step explanation:

These are vertically opposite angles, meaning their angle measures are equal.

2x + 2 = 3x - 52

x = 54

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2 years ago

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