Javier bought 48 sports cards at a yard sale. Of the cards, 3/8 were baseball. How many cards were baseball cards ?

Answers

Answer 1
Answer: 3/8=.375

48×.375=18

hope this helps
Answer 2
Answer: 48 times 3/8
8units =48
1unit = 6
3units =18

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Completing the square x^2-14x+49=0​

Answers

Answer:

(x -7)²

x = 7

Step-by-step explanation:

Given the quadratic function (polynomial):

x² - 14x + 49 = 0

The first term (x²) and the last term (49) are both perfect squares and the second term is the sum of the product of these two terms (-7 + -7 = -14):

(x - 7)(x - 7) = (x-7)²

Ellen drove 357.9 miles. Her car gets about 21 miles per gallon. Which is the best estimate of how many gallons of gas Ellen used?

Answers

The best thing to do is to divide the amount she has driven (357.9) by the miles (21)
As you're looking for an estimate, you have to round them.
357.9 rounds to 360
21 rounds to 20
Therefore, you've got to divide them
360/20= 18
Therefore, Ellen has driven approximately 18 miles
Hope this helps :)

When looking for an estimate, you have to round your numbers 21 rounded would become 20 and 357.9 would become 360. So next you would divide the numbers.

360 ÷ 20 =  18

So, Ellen would have used approximately 18 gallons of gas.

Hope this helps you. :-) 

The question is in the picture

Answers

so the ans is of last option.

Hopethiswillhelpu.....

What is the simplest form of 2/10?

Answers

To get to the simplest form you have to divide numerator and denominator by numbers they can both be divided by, until you get to a fraction where you can't divide both anymore getting an integer as a result.
Here you can only divide by 2 and you get 1/5. That's the simplest form
, if you kept dividing you'd get decimals, but the simplest form must be integers.

What is the square root of 638

Answers

the answer is 319. (638/2=319) square means doubled so you want to find what was double to get the above. So you then would divide by 2 and get your answer. 

A $300 tablet is on sale for $234. what is the percent of discount ?

Answers

I like to think of these like this.

What was the amount of the discount? 300 - 234 = $66 dollars.

66 is to 300 as ? is to 100?

This is how that question looks in an equation:

66/300 = x/100 Solve for x by cross multipying.

66 x 100 = 300 x

660 = 300 x

x = 22

The discount amount on the tablet is 22% off the regular price.

Check it!

300 x .22 = $66 dollars off. 300 - 234 = $66 off.

Yes! It checks.