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raketka [301]
3 years ago
6

What is the product of (9)(-9)(-1)?

Mathematics
1 answer:
LekaFEV [45]3 years ago
5 0
The product of this is 81
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Jake washes cars. On monday he washed 18 cars for $90. On tuesday he washed 9 cars for $45. On wednesday he washed 12 cars for $
chubhunter [2.5K]

Answer:

the rate  of change is 5

Step-by-step explanation:

$90 / 18 cars = $5 per car

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$60 / 12 cars = $5 per car

That means the rate of change is 5 (5/1)

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3 years ago
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Liz and Alana each participate in the home that jump at the track meet Liz’s high jump was 1 meter Alana’s high jump was 132 cen
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1 meter is 100 centimeters, therefore Alana jumped higher by 32 centimeters.
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7 0
3 years ago
How do I begin this equation
alex41 [277]
Trigonometry:
We know that   csc x = 1 / sin x    and π = 180°;
sin 5π/ 6 = sin 150° = 1/2
csc 2π / 3 = 1 / sin 120° = 1 / √3/2 = 2 / √3
Finally:
4 · 1/2 + 7 · ( 2 / √3 )² = 2 + 7 · 4/3 = 
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5 0
3 years ago
Which ratio is equivalent to 4 : 28?
rusak2 [61]
4 : 28 is the same as 4/28 

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3 0
2 years ago
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A7-ft ladder is placed against a wall with its base 3 ft from the wall. How high above the ground is the top of the ladder? Roun
Firdavs [7]

Answer:

6.3 feet

Step-by-step explanation:

use pythagorean theorem

a² + b² = c²

a² + 3² = 7²

a² + 9 = 49

Subtract 9 from both side

a² = 40

Take the square root of both sides

a = 6.324555320336759

Rounded

a = 6.3

4 0
2 years ago
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