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rewona [7]
3 years ago
9

What is the measurement of x

Mathematics
2 answers:
krek1111 [17]3 years ago
6 0
I think it’s 3.9999.
Nesterboy [21]3 years ago
5 0
The measurement of x is 3.9999
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How do you find the quadratic equation for the roots 3 and 17?
Naily [24]
The roots are 3 and 17 so the distributed equation is

(x-3)(x-17)

distribute 

x²-3x-17x+51

x²-20x+51

I hope I've helped! 
6 0
3 years ago
Mr. Hinkle baked a pie for Thanksgiving. He cut the pie into 6 piece. He and 2 of his friends each at one slice. What percent of
Karolina [17]

Answer:

30%

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Plz help me plz help me​
sladkih [1.3K]

Answer:

In one hour Stephanie earns $1.50 more than Marco

Step-by-step explanation:

w=9h

H is a variable

9×hour= wage

9×15= $135

9×18= $162

157.50-135=$22.50

189-162=$27

27-22.50=4.50

Now cause its per hour we know she earns $4.50 more in 3 hours.

4.50÷3=$1.50

8 0
2 years ago
how much antifreeze 25% antifreeze and 50% antifreeze should be combined to give 40 gallon of 30% antifreeze?​
VARVARA [1.3K]

32 gallons of 25 % antifreeze should be combined with 8 gallons of 50 % antifreeze to get 40 gallon of 30% antifreeze

<h3><u>Solution:</u></h3>

From given,

Final mixture is 40 gallon

Let "x" be the gallon of 25 % antifreeze

Then, (40 - x) is the gallon of 50 % antifreeze

Therefore, according to question,

"x" gallons of 25 % antifreeze should be combined with (40 - x) gallons of 50 % antifreeze to get 40 gallon of 30% antifreeze

<h3><u>Therefore, we frame a equation as:</u></h3>

25 % of x + 50 % of (40 - x) = 30 % of 40

Solve for "x"

\frac{25}{100} \times x + \frac{50}{100} \times (40-x) = \frac{30}{100} \times 40\\\\0.25x + 0.5(40-x) = 12\\\\0.25x + 20 - 0.5x = 12\\\\0.25x - 0.5x = 12 - 20\\\\-0.25x = -8\\\\0.25x = 8\\\\Divide\ both\ sides\ by\ 0.25\\\\x = 32

Thus, 32 gallons of 25 % antifreeze is used

Then, (40 - x) = (40 - 32) = 8

Thus 8 gallons of 50 % antifreeze is used

6 0
3 years ago
WILL CHOOSE BRAINLIEST! Find the surface area of a box with a length of 5 inches, a width of 6 inches and a height of 8 inches ?
krek1111 [17]

Surface Area = 2×(5×6 + 5×8 + 6×8) = 236 meters²

Hope this helps! Stay safe, have a good day :D

6 0
2 years ago
Read 2 more answers
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