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kifflom [539]
3 years ago
14

A car has a 40km/ 30 second, how much a car can drive in hour?

Mathematics
1 answer:
likoan [24]3 years ago
4 0

Answer:

nhfrwu8mfy856y

Step-by-step explanation:

rojimrwgjtrvi 3niy tijrbhgjib rargnagjhjrle tghjileryv nuit4bv8 7rcckrcr

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What is the quadratic formula?
Ne4ueva [31]

Answer:

I guess u want to know the quadratic function and its formula is, AX*2 + BX + C. Otherwhise you want to know how to get 0 and get the Xm if you want to know how to solve a quadratic. That formula is,  (-B +/- \sqrt{x} (B*2 - 4AC) ) . 1/2 (where A, B and C are the number at the original function).

Step-by-step explanation:

6 0
3 years ago
What’s the first 1st term in the sequence given by :T(n)=n^2-4<br> Pls help
Zepler [3.9K]

First term = T(1) is obtained by plugging  n = 1 into the formula,

thus First term = 1^2 - 4 = 1 - 4

= 3    (answer)

8 0
3 years ago
Calvin had 30 minutes in time-out. For the first 23 1/3 minutes, Calvin counted spots on the ceiling. For the rest of the time,
scoundrel [369]

Answer: \frac{20}{3}\ minutes or 6 \frac{2}{3}\ minutes

Step-by-step explanation:

For this exercise you can convert the mixed number to an improper fraction:

1. Multiply the whole number part by the denominator of the fraction.

2. Add the product obtained and the numerator of the fraction (This will be the new numerator).

3. The denominator does not change.

Then:

23\frac{1}{3}= \frac{(23*3)+1}{3}= \frac{70}{3}\ minutes

You know that he had 30 minutes in time-out, he counted spots on the ceiling for \frac{70}{3} minutes and the rest of the time he made faces at his stuffed tiger.

Then, in order to calculate the time Calvin spent making faces at his stuffed tiger, you need to subract 30 minutes and \frac{70}{3} minutes:

30\ min-\frac{70}{3}=(\frac{3(30)-70}{3})=\frac{20}{3}\ minutes or 6 \frac{2}{3}\ minutes

7 0
3 years ago
Read 2 more answers
Theo bought 2 hot dogs and two drinks for $4.00. At the same concession stand, Vicky bought 3 hot dogs and a drink for $4.50. Wr
Sedbober [7]

Answer:

The hot dog are $2.63

Step-by-step explanation:

Hot Dogs = H

Drinks = D

2H + 2D = 4

Divide both sides by 2

H + D = 2

Subtract D from either side

H = 2 -D

3H + D = 4.50

Plug in 2 - D for H

3(2- D ) + D = 4.50

6 - 3D + D = 4.50

6 - 4D = 4.50

Add 6 to either side

-4D = 10.50

Divide either side by -4

D = -2 . 625

3 0
3 years ago
Describe how you can use compatible numbers to estimate 17x27
Gemiola [76]

Answer:

600

Step-by-step explanation:

all you got to do is 17 goes to what? 20 because its closer. and 27 is closer to 30.

I hope that helps you.

8 0
3 years ago
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