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Nana76 [90]
3 years ago
7

42x(raise to 4) - 13x² - 40

Mathematics
1 answer:
Rom4ik [11]3 years ago
6 0
I hope this helps you

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Two cars start from the same point driving in opposite directions. Both cars drive 6miles. One car stops, the other car makes a
dimaraw [331]

Answer:

  • <u>14.4 mile</u>²

Explanation:

1. By driving 6 miles each, the cars will be 6 miles + 6 miles = 12 miles appart.

2. When one car stops and the other car makes a 90° left-hand turn and drive 8 miles, you can model the situation with a right triangle, where one leg is 12 miles, the other leg is 8 miles, and the hypotenuse is the distance that separates the cars.

Hence, you must use Pythagoras to find that distance.

3. Pythagoras

  • hypotenuse² = leg₁² + leg₂²

  • hypotenuse = (12 mile)² + (8 mile)² = 144 mile² + 64 mile² = 208 mile²

  • hypotenuse=\sqrt{208mile^2}=14.4mile^2, which is rounded to the neartest tenth of a mile.
8 0
3 years ago
.What is answer pls help me with this very important question. <br><br> 9 + 10 (78) =
Korolek [52]

Answer:

789

Step-by-step explanation:

9+10(78)

9+10*78

9+780

789

6 0
3 years ago
Read 2 more answers
Write an<br> algebraic expression fh each verbal expression.
PtichkaEL [24]

Answer:

2×y^2

Step-by-step explanation:

i hope it helped you a lot. thankyou

4 0
3 years ago
Need help with these, will pass more points for full answers
musickatia [10]

Answer:

1. since B is the midpoint both the lines will be equal

2.angle bisector AC bisects the diagram into two equal parts

8 0
2 years ago
Emily purchased three different sizes of popcorn at the movies. The medium popcorn was twice as expensive as the small popcorn.
MaRussiya [10]

Answer:

$5

Step-by-step explanation:

medium popcorn- 2x

total - $23

large- 2x+3

23=4x+3

20=4x

x=5

6 0
3 years ago
Read 2 more answers
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