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Nina [5.8K]
4 years ago
9

What is the value of x? * 4x + 32 172° Your answer

Mathematics
1 answer:
ratelena [41]4 years ago
4 0

Answer:

x=35

Step-by-step explanation:

Because the 2 lines are parallel u kno 172=4x+32

from there: 172-32=4x or 140=4x, and then 140/4=x

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1)<br> y = 2x<br> 5x - 2y = 3
Viefleur [7K]

Answer:x= 3 y=6

Step-by-step explanation:

7 0
3 years ago
Help me<br> Plzzzzzzzzzzzzzzzzz
Kaylis [27]

Answer:

142 degrees

Step-by-step explanation:

Since line M is straight, we know that the sum of the measure of angle 7 and 38 degrees must be 180. So we can set up an equation. Let's set the measure of angle 7 to be x

38 + x = 180

we can subtract 38 from both sides to find

x = 180-38 = 142

7 0
3 years ago
The automaker of your new car recommended an oil change following the 5,000 miles and then every 3,000 miles thereafter.if you p
Rus_ich [418]

Answer:

3 oil changes

Step-by-step explanation:

1. Find an equation that represents this word problem: 3000x + 5000 = y

Where y = the # of miles total. y = 250 miles/week * 52 weeks/year = 13000 miles.

2. Solve for x: 3000x + 5000 = 13000   3000x=8000

3. x = 8/3 integer round down x = 2 oil changes, but plus the one after 5000 miles is a total of 3 oil changes that year

3 0
3 years ago
What are the zeros of the quadratic function f(x) = 6x2 + 12x – 7?
zalisa [80]

we have

f(x) = 6x^{2} + 12x -7

To find the zeros equate the function to zero

6x^{2} + 12x -7=0

Group terms that contain the same variable, and move the constant to the opposite side of the equation

7= 6x^{2} + 12x

Factor the leading coefficient

7= 6(x^{2} + 2x)

Complete the square. Remember to balance the equation by adding the same constants to each side

7+6= 6(x^{2} + 2x+1)

13= 6(x^{2} + 2x+1)

Rewrite as perfect squares

13= 6(x+1)^{2}

(13/6)=(x+1)^{2}

square root both sides

x+1=(+/-)\sqrt{\frac{13}{6}}

x=-1(+/-)\sqrt{\frac{13}{6}}

x1=-1+\sqrt{\frac{13}{6}}

x2=-1-\sqrt{\frac{13}{6}}

therefore

the answer is

The zeros of the quadratic function are

x=-1+\sqrt{\frac{13}{6}} and x=-1-\sqrt{\frac{13}{6}}


3 0
3 years ago
Read 2 more answers
Danielle and David each have a job. Danielle earns $15 an hour. She also receives a $50 weekly bonus. Danielle wrote an equation
S_A_V [24]
For starters, create an equation to show David's earnings. We can do this using Danielle's as a basis, which is set up as y=(# of hours)x+(bonus). This gives us y=12x+80. Now, as we need both their ys to be equal, we just set both equations equal to each other, making 15x+50=12x+80. Now, we solve for x, starting with 15x+50=12x+80, subtracting 12x from both sides to get 3x+50=80, subtracting 50 from both sides to get 3x=30, and dividing three from both sides to get x=10. To check, we just plug in our answer to both equations and see if the ys match up. With Danielle's equation, we get y=15(10)+50=150+50=200 and with David's equation, we get y=12(10)+80=120+80=200, proving that our answer is correct.
5 0
4 years ago
Read 2 more answers
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