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monitta
4 years ago
10

Find the value of x

Mathematics
2 answers:
goldenfox [79]4 years ago
8 0

Answer:

x=10

Step-by-step explanation:

3x+46+14=90

3x+60=90

3x=30

x=10

Alecsey [184]4 years ago
4 0

AOC = 90⁰

3x + 46 + 14 = 90⁰

3x = 90⁰ - 60⁰

3x = 30⁰

x = 10⁰

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Hello guys plz help me with this question, i really appreciate if you answer fast, thank you guys
Margaret [11]

Answer:

decay rate is -13 percent in an hour. 3 hours would be (0.87)^3 = 65.85 percent

3 0
3 years ago
Please solve the following system of equations <br> x+3y=8 <br> 2x-y=2
Anuta_ua [19.1K]

Answer:

(2,2)

Step-by-step explanation:

Given equations are

x+3y=8       eq(1)

2x-y=2        eq(2)

we'll solve the system of equation by substitution.

Adding -3y to both sides of eq(1),we get

x+3y-3y=8-3y

x+0=8-3y

x=8-3y     eq(3)

Put above value of x in eq(2),we get

2(8-3y)-y=2

16-6y-y=2

16-7y=2

Adding -16 to both sides of above equation,we get

-16+16-7y=-16+2

0-7y=-14

-7y=-14

Dividing by -7 to both sides of above equation,we get

-7y/-7=-14/-7

y=2

Putting y=2 in eq(3),we get

x=8-3(2)

x=8-6

x=2

hence, the solution for this system of equations is (2,2).

5 0
3 years ago
mike makes a commission of 10% on each tv set sold at store. Each tv costs $120. how much money will he make as commission if st
Leni [432]

The answer is he will make $300 commission for 25 TV sets sold.  The first thing you need to do is find out how much commission he makes on each TV. So we take $120 and divide by 10% and that gives us $12.  So $12 is the amount of commission per TV. Then we just need to multiply the $12 by 25 TV sets. That gives us the answer of $300 commission total.

A second way to solve this problem is by taking the $120 and multiplying that by the 25 TV sets.  That gives you $3,000 total for the 25 TV sets.  Then you just divide the 10% commission Mike will make.  That also gives you the answer of $300 commission.

5 0
4 years ago
Read 2 more answers
Let a triangle with integer angle measures have one angle of 116°. What is the largest possible angle measure opposite the small
sveta [45]

Answer:

what will I do here?

Step-by-step explanation:

sorry im still grade 3

3 0
3 years ago
1.what is the sum or difference? 3x^8-7x^8<br>A.-4x^16<br>B. -21x^8<br>C. -4x^8<br>D. 10x^-8
Dafna1 [17]
To simplify the given equation, you want to combine like terms. Since both terms have x^8, we can add the coefficients and leave the x^8
3x^8-7x^8 (do 3-7)
=-4x^8 so the answer is C

Hope this helps
5 0
3 years ago
Read 2 more answers
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