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Vlad1618 [11]
3 years ago
14

What is the value of x ? Enter your answer in the box

Mathematics
2 answers:
Lelu [443]3 years ago
7 0

Answer:

x=65

Step-by-step explanation:

145=2x+15

Alika [10]3 years ago
7 0

\bold{Answer}

\boxed{\bold{X \ = \ 65}}

\bold{Explanation}

  • \bold{Find \ X: \ 145=\left(2x+15\right)}

\bold{----------------------}

\bold{The \ Two \ Angles \ Are \ Symmetrical. \ Since\ One \ Side \ Is \ 145 \ Degrees, \ So \ Is \ The \ Other}

  • \bold{Write \ An \ Equation}

\bold{Equation: \ 145 \ = \ (2x \ + \ 15)}

  • \bold{Solve}

  • \bold{Switch \ Sides}

\bold{\left(2x+15\right)=145}

\bold{2x+15=145}

  • \bold{Subtract \ 15 \ From \ Both \ Sides}

\bold{2x+15-15=145-15}

  • \bold{Simplify}

\bold{2x=130}

  • \bold{Divide \ Both \ Sides \ By \ 2}

\bold{\frac{2x}{2}=\frac{130}{2}}

  • \bold{Simplify}

\bold{X \ = \ 65}

\boxed{\bold{Eclipsed}}

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Answer:

Around 7830 dollars

Step-by-step explanation

Times 15,000 by 0.85, you'll get 12,750. Times each product by 0.85 and you'll get around 7830 dollars

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3 years ago
Figure A is a scale image of Figure B
valina [46]

Answer:

x = 30

Step-by-step explanation:

Put in proportions \frac{x}{45} = \frac{18}{27}

Cross multiply and get 27x = 45 x 18

OR...

27x = 810.

THEN...

divide by 27 on both sides to get 30

x = 30

5 0
2 years ago
What is the solution for 2y=x+2<br> x-3y=-5
Mars2501 [29]

Answer:

x = 4

y = 3

Step-by-step explanation:

<u>Given </u><u>equations </u><u>:</u><u>-</u>

  • 2y = x + 2
  • x - 3y = -5

<u>Second</u><u> </u><u>equation</u><u> </u><u>can </u><u>be</u><u> written</u><u> as</u><u> </u><u>,</u><u> </u>

  • x - 3y = -5
  • -3y = -x - 5

<u>Adding</u><u> </u><u>them </u><u>:</u><u>-</u><u> </u>

  • -3y + 2y = 2 -5
  • -y = -3
  • y = 3

<u>Put </u><u>this </u><u>in </u><u>(</u><u>ii)</u><u> </u><u>:</u><u>-</u><u> </u>

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  • x = 3*3 - 5
  • x = 9 -5
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8 0
3 years ago
Read 2 more answers
Zene deposited $50 in a savings account earning 5% interest, compounded annually. To thenearest cent, how much will he have in 3
JulsSmile [24]

Answer:

\$57.88  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=3\ years\\ P=\$50\\ r=5\%=5/100=0.05\\n=1  

substitute in the formula above

A=50(1+\frac{0.05}{1})^{1*3}  

A=50(1.05)^{3}  

A=\$57.88  

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