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3 years ago

Write the integer's that represent the situation 70 degrees above zero=?

1 answer:

3 0

+70 degrees above zero. That's the way I would write it. If it is in a sentence, it would be something like "Today's temperature was 70 degrees above zero. Terribly hot!! like a sauna." I'm thinking Centigrade when I make this statement. I don't think there's a place on earth that's ever recorded that temperature.

But you want an integer. So it is 70

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The sum of integers x and y is 280. If x is divided by 7, the quotient is y. What is the value of x?

qwelly [4]

Answer:

x = 245

Step-by-step explanation:

The sum of integers x and y is 280; x + y = 280

If x is divided by 7, the quotient is y; x/7 = y so x = 7y

Now you have 2 equations:

x + y = 280

x = 7y

Substitute x = 7y into x + y = 280

7y + y = 280

8y = 280

y = 35

x = 7(35)

x = 245

Answer

x = 245

5 0

3 years ago

Read 2 more answers

Which facts could be applied to simplify this expression?Ckeck all that apply 5x+3y+(-x)+6z

kenny6666 [7]

Answer:

5x+3y+(-x)+6z

5x+(-x)+3y+6z

4x+3y+6z

The facts to apply is PEMDAS which is parenthesis,exponents, multiplication,division,addition and subtraction.

Then group like terms if there are any.

You finally get to a simplified answer if there are no like terms

4 0

3 years ago

Read 2 more answers

PLEASE HELP ASAP!!

sesenic [268]

$f(x) = {(x + \frac{b}{2})}^{2} + \frac{24 - b}{2}$

8 0

4 years ago

1. The prism below measures 6 inches x 3 inches x 10 inches. A diagonal

12345 [234]

9514 1404 393

Answer:

√145 ≈ 12.04

Step-by-step explanation:

The length of the space diagonal is the root of the sum of the squares of the prism edge lengths:

d² = a² +b² +c² = 6² +3² +10² = 145

d = √145 ≈ 12.04 . . . inches

The face diagonal is found using the Pythagorean theorem in the usual way:

f² = a² + b²

The space diagonal is the hypotenuse of the right triangle whose sides are the face diagonal and the remaining edge:

d² = f² +c²

d² = a² +b² +c²

Here is a diagram.

3 0

3 years ago

a picture frame originally priced at $13.00 is on sale for $7.50. what is the percent of decrease, rounded to the nearest whole

faltersainse [42]

Percent decrease : (original number - new number) / original number)...x 100

(13.00 - 7.50) / 13.00 = 5.5/13 = 0.42....x 100 = 42% decrease

8 0

3 years ago