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Elena-2011 [213]
4 years ago
7

What is x=15 a a function and please explain the process

Mathematics
1 answer:
Vika [28.1K]4 years ago
5 0
<span>Simplifying 15 + 5x = 0 Solving 15 + 5x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + 5x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + 5x = 0 + -15 5x = 0 + -15 Combine like terms: 0 + -15 = -15 5x = -15 Divide each side by '5'. x = -3 Simplifying x = -3</span>
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3 five eights subtracted by 5 four eights.
dmitriy555 [2]

Answer: -1 7/8

<u>Turn 3 5/8 into an Improper Fraction</u>

Multiply 3*8 and get 24. Now add 15 and get 39 (Denominator stays the same). 3 5/8 = 39/8

<u>Turn 5 4/8 into an Improper Fraction</u>

Multiply 5*8 and get 40. Now add 4 and get 44 (Denominator stays the same). 5 4/8 = 44/8

<u>Subtract</u>

39/8 - 44/8 = -15/8

<u>Turn -15/8 into a Mixed Number</u>

-15/8 = -1 7/8

5 0
3 years ago
In the figure, a∥e, m∥n, and m∠3 = 112°. What is the m∠1? Enter your answer in the box. ° Lines n and m (reading from top to bot
vagabundo [1.1K]

<1 = <2

vertical angles (congruent)

<3 = <2

corresponding angles (congruent)

so that: <1 = <2 = <3 = 112 degree

I hoped i helped! Pls give brainly if this helped :D

Have a amazing day!

-<em>Yumi</em>

6 0
3 years ago
Read 2 more answers
Which is a irrational number<br> A. 0.277277277.....<br> B.0.333....<br> C.0.7<br> D.3.14
Alecsey [184]
A) This is a repeating decimal which means it is possible to write it in the form p/q where p & q are integers and q is nonzero. So we can rule out choice A.

B) Similar to the answer choice above, we have another repeating decimal. So we can rule out choice B. 

C) This is a terminating decimal. It does not go on forever. We can write this as a fraction (0.7 = 7/10). So we can rule out choice C.

D) This is also terminating so it seems like your teacher made a typo. What I'm thinking is that the 3.14 was meant to be a decimal that goes on forever without a pattern. This is a well known number called pi. I'm assuming that's what your teacher was going for. 

So I'd go with choice D as the answer. 


5 0
3 years ago
Read 2 more answers
Find the perimeter of the triangle with vertices (−2,2), (0,4), and (1,−2).
balu736 [363]
By distance formula 
the perimeter would be
the sum of 5+root5+root8

please thank me and mark as the brainiest answer
3 0
4 years ago
A lighthouse is 90 feet tall. A scale model of the lighthouse has a scale of 1 in: 6 ft. How tall is the model of the lighthouse
makkiz [27]

Answer:

15 inches tall

Step-by-step explanation:

To solve I would set up a ratio to visualize the question.

x in : 90 ft

1 in : 6ft

Then divide... 90 ÷ 6 = 15 ( this is the inches in the ratio that compares to 90 ft).

7 0
3 years ago
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