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4 years ago

Please help i’ll love u forever and give lots of points

Mathematics

2 answers:

alekssr [168]4 years ago

7 0

Answer:

the answer has to be A

Step-by-step explanation:

Nitella [24]4 years ago

4 0

Answer:

A and D are both right

Step-by-step explanation:

Since 1/5*1/5*1/5*1/5 is 1/3125 or 5^-4, look below:

(5^-2)^2=5^(-2*2)=5^-4

5^2*5^-6=5^(2+-6)=5^-4

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Jade buys a blouse and a skirt for 3/4 of their original price. Jade pays a total of $31.50 for the two items. If the original p

Norma-Jean [14]

3/4 times 18= 13.5
31.5-13.5=18
It cost 18 dollars for the skirt with a discount.
It cost 13.5 for the blouse as opposed to the original price of 18 dollars.
18(skirt)+13.5(blouse)=31.5
If you set up a proportion to find the original price of the skirt you will get the answer.
18/x=75/100
75x=18 times 100
75x=1800
75x/75=1800/75
x=24
The original price of the skirt is 24 dollars.

7 0

3 years ago

What is the surface area of this cone if the diameter is 4 inches and the height is 6 inches

choli [55]

Hope you understand
Its pretty simple once you have the formula

4 0

3 years ago

(6.0x10^5)x(3.0x10^4)=? 18x10^20 18x10^9 1.8x10^20 1.8x10^10

Leto [7]

(6.0 x 10^5) x (3.0 x 10^4) = (6 x 3) x 10^(5 + 4) = 18 x 10^9 = 1.8 x 10^10

7 0

4 years ago

Analyze the equations in the graphs to find the slope of each equation the y-intercept of each equation in the solution for the

natta225 [31]

Given:

$y=50x+122\ldots\text{ (1)}$ $y=1540-82x\ldots\text{ (2)}$

The general equation is

$y=mx+c$

m is a slope and c is the y-intercept.

From equation (1),

$\text{Slope = 50 and y intercept is 122}$

From equation (2)

$\text{Slope = -82 and yintercept is }1540$

From equation (1) and (2)

Substitute equation (2) in (1)

$1540-82x=50x+122$ $50x+82x=1540-122$ $132x=1418$ $x=\frac{1418}{132}$ $x=44$

Substitute in (2)

$undefined$

5 0

1 year ago

I will give brainiest to whoever answers correctly !!

KonstantinChe [14]

Answer:

The number of units sold increased by $\mathbf{11.2\%}$

Step-by-step explanation:

Vacuum dealer sold units in 2011 = 420

Vacuum dealer sold units in 2012 = 467

We need to find percent increase or decrease

Since, In 2012 units sold are greater than 2011, so there will be percent increase.

The formula used is: $Percent\:Increase=\frac{New\:Value-Original\:Value}{Original\:Value}\times 100$

We have New Value (Units sold in 2012) = 467

Original Value (Units sold in 2011) = 420

Percent increase is:

$Percent\:Increase=\frac{New\:Value-Original\:Value}{Original\:Value}\times 100\\Percent\:Increase=\frac{467-420}{420}\times 100\\Percent\:Increase=\frac{47}{420}\times 100\\Percent\:Increase=11.2\%$

So, The number of units sold increased by $\mathbf{11.2\%}$

4 0

3 years ago