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svetlana [45]
3 years ago
12

6rs — 7bc (-) 9rs — 7bc simplify

Mathematics
1 answer:
Reil [10]3 years ago
5 0

Answer:

- 3rs

Step-by-step explanation:

6rs — 7bc (-) 9rs — 7bc = 6rs - 7bc - 9rs - 7bc

=6rs - 9rs - 7bc - 7bc (collecting the like terms)

= - 3rs

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The ratio of muscisians to actors was 2 to 5. If there were 28 musicians, how many actors were there?
julsineya [31]
2•14=28 which is the musicians

5•14=70 which would be the actors

The ratio would be 28:70
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3 years ago
Lisa paid $43.95 for 16.1 gallons of gasoline. What was the cost per gallon, rounded to the nearest hundredth?
alina1380 [7]
I agree i believe it is 2.37 per gallon
8 0
3 years ago
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If it costs $55 for 20 people to go rent a movie at red box how much does it cost per person?​
marusya05 [52]
55/20 = 2.75
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4 0
2 years ago
50 points! PLEASE HELP WITH THIS! Show how you got the answers!!! WIll mark as brainliest!!! DONT ANSWER IF YOU DONT KNOW IT!!
JulsSmile [24]

Answer:

x=4

x=17.9

Step-by-step explanation:

For the first diagram.

cos(45°)=x/4√2

x=4√2cos(45°)

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7 0
2 years ago
A fire truck parks 30 feet
Marianna [84]

Answer:

34 ft. tall

Step-by-step explanation:

Your first step should to draw a diagram. When you do that, your diagram should look like a right triangle, the leg, or the distance from the firetruck to the building, (we'll call this a) should be 30ft. and the hypotenuse, or the ladder (we'll call this c), should be 45ft.

Now we have a visual so it'll be easier.

We know that this problem is a right triangle and we know that to solve for a missing side of a right triangle you use pythagorean theorem: a^2+b^2=c^2

We know one leg 'a' and the hyp. 'c'  and we just need to find 'b' the other leg (aka the building):

Plug in numbers and simplify:

30^2+b^2=45^2

900+b^2=2025

b^2=1125

≈33.54 OR 34 ft. tall

3 0
3 years ago
Read 2 more answers
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