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alexira [117]
3 years ago
12

Who gets this I am not sure what I have to do

Mathematics
2 answers:
natta225 [31]3 years ago
8 0
Area of Parallelogram = base x height
height = 4.5 cm
base = 4.5 cm x 2

height = 4.5 cm
base = 9 cm

9 cm x 4.5 cm = 40.50 cm^2
Ksju [112]3 years ago
8 0
The height is 4.5 
4.5 times 2 is 9

you have to multiply 9 by 4.5= 40.5

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Type the price per unit in blanks a and b, and choose the best buy. Tomato juice, 48 oz. can for $2.49 would = cents per oz. Tom
Sphinxa [80]
For this case we have two options:
 Option A:
 Tomato juice, 48 oz. can for $ 2.49.
 The unit price is:
 (2.49) / (48) = 0.05 cents per oz.
 Option B:
 Tomato juice, 6-pack of 10 oz. cans for $ 3.99.
 The unit price is:
 (3.99) / (6 * 10) = 0.07 cents per oz.
 Answer:
 
The best buy would be:
 
Tomato juice, 48 oz. can for $ 2.49.
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2 years ago
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a small airplane flies 625 miles with an average speed of 250 mph.. 1.25 hours after the plane leaves a boeing 747 leaves from t
kipiarov [429]
Time for first plane = 625 / 250
= 2.5 hours
after 1.25 hours
boeing 747 takes 1.25 hours (2.5 - 1.25) to arrive at the same location at the same time
so, speed = distance / time
= 625 / 1.25
= 500
the average speed of the boeing 747 is 500 mph
8 0
3 years ago
What is the area of a circle with a radius of 7 cm? (Use 3.14 for , and round to the nearest tenth.)
jarptica [38.1K]

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5 0
3 years ago
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Who is the person that made the Pythagorean theorem?
Bingel [31]

Answer:

A man who went by the name, "Pythagoras".

4 0
3 years ago
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Please show your work and I will make you brainliest ​
klio [65]

Answer:

17. y=1/2x+5

18. y=-2x+15

19. y=2x-7

Step-by-step explanation:

Number 17.

(4,7); parallel to y=1/2x-1

You know that lines that are parallel to each other have the same slope, so the slope is 1/2x.

1. Use the point-slope formula to solve for the slope-intercept equation.

y-y1=m(x-x1)

m= 1/2

x= 4

y= 7

y-7= 1/2(x-4)

y-7= 1/2x-2

y=1/2x+5

Number 18.

(4,7); perpendicular to y=1/2x-1

You know that lines that are perpendicular to each other have the opposite reciprocal slope, so the slope is -2.

1. Use the point-slope formula to solve for the slope-intercept equation.

y-y1=m(x-x1)

m= -2

x= 4

y= 7

y-7=-2(x-4)

y-7=-2x+8

y=-2x+15

Number 19.

f(3)=-1

f(4)=1

To write a linear equation, first find the slope with the slope formula.

x1= 3

y1= -1

x2= 4

y2=1

(y2-y1)/(x2-x1)

(1-(-1))/(4-3)

2/1

m=2

Use the point-slope formula and solve for the slope-intercept equation.

y-y1=m(x-x1)

y-1=2(x-4)

y-1=2x-8

y=2x-7

6 0
2 years ago
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