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Dvinal [7]
2 years ago
5

I WILL UPVOTE!!!!! IF U HELP

Mathematics
2 answers:
fgiga [73]2 years ago
7 0
<span>ow far does the first car go in the 2 hours head start it gets? Now, at t = 2 hours, both cars are moving. How much faster is the second car than the first car? How long will it take to recover the head start? You can determine this by dividing the head start by the difference in the two speeds. If car 1 has a 20 mile head start, and car 2 is 5 mph faster, then it will take 20/5 = 4 hours to catch up.

</span>You could also write two equations, one for each car, showing how far they have gone in a variable amount of time. Set the two equations equal to each other and solve for the value of the time. Note that the second car's equation will use (t-2) for the time, because it doesn't start driving until t = 2.
natima [27]2 years ago
3 0
Keefe was mad at Fitz so he decided to plan revenge. He had 5.3 liters of feces but he wanted to us only 1/4 of it. In that 1/4 of the amount, 0.4 of the feces was alicorn ones and 0.6 of it was gulon feces. How many Liters did Keefe use? How many liters of alicorn feces were there and how many liters of gulon feces were there in the amount that he used?
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Solve the inequality 1/3(x-6)&gt;2
ludmilkaskok [199]

Answer:

x>12

Step-by-step explanation:

1/3(x-6)>2

distribute 1/3

1/3x-2>2

add 2 to both sides

1/3x>4

multiply both sides by 3

x>12

3 0
3 years ago
Determine the intercepts of the line. − 6 x + 3 y = − 7
egoroff_w [7]

Answer:

Step-by-step explanation:

-6x + 3y = -7

to find the x intercept, sub in 0 for y and solve for x

-6x + 3y = -7

-6x + 3(0) = -7

-6x = -7

x = 7/6 <=== ur x intercept is (7/6,0)

to find the y intercept, sub in 0 for x and solve for y

-6x + 3y = -7

-6(0) + 3y = -7

3y = -7

y = -7/3 <=== ur y intercept is (0,-7/3)

7 0
3 years ago
A circle has diameter 12. What's the circumference?
Karo-lina-s [1.5K]

Answer:

b. 12π

Step-by-step explanation:

C= 2πr

R= D/2= 12/2= 6

C= 2x3.14x6

2x6= 12

C= 12π

6 0
2 years ago
Read 2 more answers
The binary operation is defined by a*b=(a+b)² - 2ab<br>Colulate the value of 3*4​
Schach [20]
Sorry about the bad handwriting
4 0
3 years ago
70% of a number is 98.
Anni [7]
Set up the proportion:
70% - 98
90% - x

\frac{70\%}{90\%}=\frac{98}{x} \\&#10;\frac{7}{9}=\frac{98}{x} \\&#10;\frac{7}{9}x=98 \\&#10;x=98 \times \frac{9}{7} \\&#10;x=14 \times 9 \\&#10;x=126

The answer is D. 126.
8 0
2 years ago
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