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Butoxors [25]
3 years ago
12

Please help with 12 through 14

Mathematics
1 answer:
BabaBlast [244]3 years ago
4 0
The formula to find the area of a circle is A=r^2pie
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Ashley multiplied 9 x 0.942 and got 84.78. How can you use estimation to show that Ashley's answer is wrong? Use whole numbers t
exis [7]

Answer:

Calculate the percent value:

0.942 =

0.942 × 100/100 =

(0.942 × 100)/100 =

94.2/100 =

94.2%;

In other words:

1) Multiply that number by 100.

2) Add the percent sign % to it.

Answer:

0.942 = 94.2%

Step-by-step explanation:

7 0
3 years ago
How do you write a linear equation in slope-intercept form
inessss [21]
Identify the slope find the y-intercept it can be done by substituting the slope and coordinates
7 0
4 years ago
The midpoint m of gh has coordinates ( -5, -4) point h has coordinates (-4, -7) find the coordinates of point g
Arte-miy333 [17]

Answer:

Step-by-step explanation:

The midpoint formula is

M=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}) and we have the coordinates of the midpoint and the coordinates of one endpoint. Filling that in we have:

(-5,-4)=(\frac{-4+x_2}{2},\frac{-7+y_2}{2}) and we will solve for the missing values one at a time. x first:

-5=\frac{-4+x_2}{2} and

-10 = -4 + x₂ so

-6 = x₂ and do the same for y:

-4=\frac{-7+y_2}{2} and

-8 = -7 + y₂ so

-1 = y₂

Thus, the coordinates of point g are (-6, -1)

4 0
3 years ago
The administrative assistant at a software company often provides breakfast when there is a morning meeting. For last week's sal
melomori [17]

A dozen of doughnuts cost $5 and a dozen of croissants cost $6.

Step-by-step explanation:

Let,

Cost of 1 dozen doughnuts = x

Cost of 1 dozen croissants = y

According to given statement;

7x+3y = 53     Eqn 1

x+5y = 35      Eqn 2

Multiplying Eqn 2 by 7

77(x+5y = 35)\\x+35y=245\ \ \ Eqn\ 3

Subtracting Eqn 1 from Eqn 3

(7x+35y)-(7x+3y)=245-53\\7x+35y-7x-3y=192\\32y=192

Dividing both sides by 32

\frac{32y}{32}=\frac{192}{32}\\y=6\\

Putting y=6 in Eqn 2

x+5(6)=35\\x+30=35\\x=35-30\\x=5

A dozen of doughnuts cost $5 and a dozen of croissants cost $6.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/6436086
  • brainly.com/question/6459599

#LearnwithBrainly

5 0
3 years ago
Question 3(Multiple Choice Worth 3 points)
Marrrta [24]

Hello,

Please, see the attached file.

Thanks.

8 0
3 years ago
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