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Pani-rosa [81]
2 years ago
13

Solve −5x = 15. (1 point) −3 3 10 20

Mathematics
2 answers:
Luba_88 [7]2 years ago
8 0
Remember you can do anything to an eqautoin as long as you do oit to both sides

-5x=15
try to get 1x by itself

remember
(ax)/a=x when a=a

so
-5x=15
get x
divide both sides by -5
remember to flip sign
(-5x)/(-5)=15/(-5)
x=-3

answer is first one
x=-3 

Naya [18.7K]2 years ago
4 0
You would divide both sides by -5
Giving you x = -3 
therefore your answer is -3
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The answer is c. 3 possible outcomes
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3 years ago
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Mr. Parker wants to rent a cargo van for a day. It will cost the daily fee of $50 plus $0.35 per mile driven. Let m = the number
Iteru [2.4K]

Answer:

<h2>y=0.35m+50</h2>

Step-by-step explanation:

Step one:

given data

the daily fee= $50

cost per mile driven =$0.35

Let m = the number of miles

let y be the total cost

Step two

Required

the expression for the total cost is

An algebraic expression that shows the amount he will pay for the van. is  

<em>y=0.35m+50</em>

4 0
2 years ago
You invest $3000 in an account that pays simple interest of 7% for 30 years. how much will you have at the end of 30 years?
nekit [7.7K]
$9,300
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210x30 = 6,300
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5 0
3 years ago
A test of intelligence is given to a subject. The subject scores 110 on the first administration. Six months later, the same sub
Basile [38]

Answer:

True, the scores are not valid.

Step-by-step explanation:

The test supposed to be measuring intelligence. We can assume that the intelligence of most people relatively stable (will not change too much over a short amount of time), and can expect it should go upward with brain growth and education. But the test seems to give a huge decrease from the first and second results. Then the third result is a huge increase that even higher than the first test.  

We don't know the true value of the subject, but seeing the huge gap for every repetition we can tell that the test result lacks precision.

5 0
3 years ago
What is the first term of the geometric sequence presented in the table below?
Leto [7]
Fron the table given:

A3 = 112,
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An = A1 *r ^ (n-1)

=> A3 = A1 (r^2) = 112

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=> r = - 2

=> A1 (- 2)^2 = 112

=> A1 = 112 / 4 = 28

Answer: a1 = 28
8 0
3 years ago
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