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3 years ago

Please help.need a math expert

Mathematics

2 answers:

trapecia [35]3 years ago

6 0

Answer:

140

Step-by-step explanation:

<4 = <2 (because the lines are parallel )

and <2+<3 must be 180°

so <3 = 140

Veseljchak [2.6K]3 years ago

4 0

Answer:

it would be 140

Step-by-step explanation:

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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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Jade had the following system of equations to help her with a physics problem, but she only needed to know what the sum of x and

pav-90 [236]

From the second:

2x-y=4

x=(4+y)/2 and applying this to first:

4+y+3y=12

4y+4=12

4y=8

y=2 and since x=(4+y)/2, x=3 so

x+y=2+3=5

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4 years ago

How do you find perimeter?

baherus [9]

Finding perimeter is simple. All you do is add up all of the side lengths, and bada bing bada boom, you got the perimeter.

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What is the quotient? Negative 4 and one-third divided by negative three-fourths

maksim [4K]

First change the mixed fraction to an improper fraction.
-4 1/3 is -13/3 and
Then divide by -3/4. *Remember dividing by a fraction is really multiplying by its inverse.

So
-13/3 ➗-3/4 is
-13/3 ✖️-4/3= 52/9 ( note negative ✖️negative = positive)
52/9 simplified becomes 5 7/9

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4 years ago

There are 63 students in band. This represents 30% of the grade. How many students are in the entire grade

almond37 [142]

So, the question is 63 is 30% of what number?

That can translate to the equation

63 = 30% · x or 63 = 0.3x

Divide by 0.3 and you get x = 210.

There are 210 students in band.

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3 years ago

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Please help.need a math expert​

Please help.need a math expert