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Mumz [18]
2 years ago
14

Seven times a number is 20 more than five times that number. Find the number.

Mathematics
1 answer:
erastova [34]2 years ago
6 0

Answer: 10

Step-by-step explanation:

7a-20=5a\\7a-20-5a=5a-5a\\2a-20=0\\2a-20+20=0+20\\2a=20\\

Divide both parts of the equation by 2:

a=10

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pls help i have been doing this for 5 hours i will mark brainliest PLEASE I JUST NEED THE RIGHT ANSWER
jenyasd209 [6]

Answer:

p = 7

Step-by-step explanation:

So the key is that a line has a measure of 180 degrees. Notice the square between the rays. That is a 90-degree angle. So let's add this up and see what's going on

(5p + 2) + 90 + (7p + 4) = 180

12p + 96 = 180

12p = 84

p = 7

6 0
3 years ago
Read 2 more answers
6 more than thrice a number is 36
posledela
3n+6=36
Hope this helps
7 0
3 years ago
A projectile is thrown upward so that its distance above the ground after t seconds is h = -16t^2 + 608t. After how many seconds
nordsb [41]

Answer:

I think the answer to your question is 19 seconds because if you do the math you get a vertex

Step-by-step explanation:

Using a calculator

5 0
4 years ago
Read 2 more answers
Identify the following distribution as binomial, geometric or neither A quarter back completes 44% of his passes. We want to obs
sergiy2304 [10]

Answer:

b) Geometric

Step-by-step explanation:

given that the a quarter back completes 44% of his passes. We want to observe this quarterback during one game to see how many pass attempts he makes before completing one pass.

This is a geometric distribution because we are considering the random variable as number of attempts he makes before passing first time.

It is not binomial since number of trials is not fixed

It is a geometric distirbution.

Option b is right

Recall that a geometric distribution is the number of trials before you get first success.

4 0
4 years ago
The price of a gallon of unleaded gas has risen to $2.85 today. Yesterday's price was $2.80. Find the percentage increase. Round
Wittaler [7]

Answer:

1.8%

Step-by-step explanation:

2.85-2.80=$0.05

$0.05 x 100 = 5

5/2.80=1.78

1.8

7 0
3 years ago
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