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Yuki888 [10]
3 years ago
14

Solve each system using substitution. 4. y = 1/x + 4 x-y=8

Mathematics
1 answer:
liubo4ka [24]3 years ago
7 0

Answer:

y=\frac{33}{8}

Step-by-step explanation:

y=\frac{1}{8} +4

Use the slope-intercept form to find the slope and y-intercept.

Slope:  

0

y-intercept:  

\frac{33}{8}

To get the answer i used a graph

then i tried just evaluating the equation

Reduce the expression, if possible, by cancelling the common factors.

y=\frac{33}{8}

I got the same answer so i believe this should be your Answer

<u>Hope this helps</u>

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I need the answer and if you would please explain step by step
emmasim [6.3K]

Answer:

x=17

Step-by-step explanation:

well the triangles are congruent so that equation has to equal 61, so set it equal to 61, once you do that subtract 10 with 61 giving you 51, then divide 3 with 51 and you get 17

3x + 10 = 61 \\ 3x = 51 \\ x = 17

3 0
3 years ago
Solve for the variable in 6⁄18 = x⁄36 A. 12 B. 6 C. 3 D. 9
RoseWind [281]
\dfrac{6}{18}  = \dfrac{x}{36} 

\dfrac{1}{3} =  \dfrac{x}{36} 

\dfrac{1}{3} * 36 = x   |Multiply \ by \ 36|

x= \dfrac{36}{3}  |Divide \ both \ sides \ by \ 3|

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4 0
3 years ago
dillon pays x dollars to get a haircut. he gives the stylist a 15% tip. the expression representing his total cost is x + 0.15x
bagirrra123 [75]

Answer:

B) 1.15x, adding 15% to the cost of haircut is same as to multiply cost by 1.15

Step-by-step explanation:

Given expression = x + 15% of x

x + (15/100) x = x + 0.15x

= (1+ 0.15) x = 1.15x

15% = 0.15 , added to x = 1.15x

4 0
3 years ago
Shaun's savings can be modeled by the regression equation y = 6x^2 + 75x+200. Which of the following is the best prediction for
kipiarov [429]

Answer:

Option D

Step-by-step explanation:

The equation to predict the amount saved is

y = 6x ^ 2 + 75x + 200.

Assuming that the variable x represents the saving months, then substitute x = 25 in the quadratic equation and solve for y.

y = 6 (25) ^ 2 +75 (25) +200\\\\y = \$\ 5,825

The answer is the option D  $5,825

3 0
3 years ago
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Answer:

#7 : 6

#8 : 12

#9 : ?

#10 : 110

#12 : ?

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3 years ago
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