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gtnhenbr [62]
2 years ago
5

Use a ratio box to solve this problem. Jason’s remote-control car traveled 440 feet in 10 seconds. At that rate, how long would

it take the car to travel a mile?
Mathematics
1 answer:
Alja [10]2 years ago
4 0

Answer: 112sec

Step-by-step explanation: Convert 440Feet to mile

0.833mile in 10seconds
1mile will be 10/0.833= 12.00secs

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Twice the difference of a number and 4 is equal to three times the sum of the number and 4.
Delvig [45]

Answer:

2(x-4)=3(x+4)

Step-by-step explanation:

that's easy.

6 0
3 years ago
Which expression is equivalent to (2r2+r - 1) – (3r2+48 - 5)?
BigorU [14]

Answer:

-r^2-3r+4

Step-by-step explanation:

The question is to simplify the expression  (2r^2+r-1)-(3r^2+4r-5)

First, we can eliminate the 2nd parenthesis expression by changing signs of all the terms since there is a "-" sign in front. Then we add the "Like Terms". The process is shown below:

(2r^2+r-1)-(3r^2+4r-5)\\=2r^2+r-1-3r^2-4r+5\\=-r^2-3r+4

The first answer choices (has some typos) is correct. The correct answer is  -r^2-3r+4

7 0
3 years ago
Javier bought a painting for $150. Each year the painting's value increases by a factor of 1.15. What's the expression that give
lubasha [3.4K]
Multiply 1.15 times 7 to find the painting value
8 0
3 years ago
Read 2 more answers
If cot 17 degrees = 3.2709 find tan 73 degrees
OlgaM077 [116]
Tan(73) = tan(90 - 17) = cot(17) = 3.2709. Hope this helps you.
3 0
4 years ago
If A is= 31×37 to the power of 2, how many factors does A have
oksano4ka [1.4K]

Answer:

A has 3 factors: 31 x 37 x 37

Step-by-step explanation:

31 and 37 are prime numbers so there are no other factors. due to the square the factor 37 shows up twice.

4 0
3 years ago
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