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Bumek [7]
3 years ago
15

Sarah drove 40 miles per hour. In 3 hours, Sarah drove 120 miles. Which is a valid proportion to represent this description?

Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0

Answer:

40 mi / h = 120 mi / 3h  

Step-by-step explanation:

needed points so i juss looked it up btw its the right answer double checked it wit my smart as$ brother

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Please help! I keep on getting the wrong answer!
valentina_108 [34]

Answer:

CODE: 1977.98

Step-by-step explanation:

A.

(To get the closest answer, round the circumference to the nearest ten thousandth.)

C = 2(3.14)r                      Circumference formula: C = 2πr

C = 2(3.14)(3)

C = 18.84

B.

A = (3.14)r²

A = (3.14)(3)²

A = (3.14)(9)

A ≈ 28.26

C. (It's asking for the circumference.)

C = 2(3.14)r

C = 2(3.14)(58)

C ≈ 364.24

D. (It's a linear pair, which is 180 degrees.)

4x + 2x = 180

6x = 180

x = 30

m∠ABD = 4x

m∠ABD = 4(30)

m∠ABD = 120°

E. (∠GHI & ∠JHK are vertical angles, so they are congruent.)

x + 7 = 3x - 21

28 = 2x

14 = x

F. (x = 14)

m∠JHK = 3x - 21

m∠JHK = 3(14) - 21

m∠JHK = 42 - 21

m∠JHK = 21°

G. (Supplementary - two angles that add up to 180 degrees.)

180 - 84

= 96°

CODE: E(C - D) - F(G - B) - A

CODE: 14(364.24 - 120) - 21(96 - 28.26) - 18.84

CODE: 14(244.24) - 21(67.74) - 18.84

CODE: 3419.36 - 1422.54 - 18.84

CODE: 1977.98

8 0
2 years ago
A point is reflected across the x-axis. The new point is (5 -3.5) What is the distance between the two points?​
alukav5142 [94]

Answer:

10

Step-by-step explanation:

8 0
3 years ago
Simplify (-8pst + 3prq + 14) - (7prq - 20 - 2pst)​
Anna [14]

Answer:

-6pst -4prq+34

hope it will help you

7 0
2 years ago
Who was the first president ​
Fiesta28 [93]
The first president is George Washington
5 0
3 years ago
Read 2 more answers
Horses are to race over a certain english meadow for a distance of 6.7 furlongs. what is the race distance in units of (a) rods
Law Incorporation [45]

we are given

distance=6.7 furlongs

(a) In rods

we know that

1 furlong=40.0001 rod

we can multiply both sides by 6.7

6.7*1 furlong=6.7*40.0001 rod

6.7furlong=268.00067 rods..............Answer

(b) In chains

we know that

1 furlong=10 chains

we can multiply both sides by 6.7

6.7*1 furlong=6.7*10 chains

6.7furlong=67 chains..............Answer


7 0
3 years ago
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