MATHEMATICS MIDDLE SCHOOL

Is 127 an integer and rational

Answers

Answer 1
Answer:

Answer:

It is a rational

Step-by-step explanation:

because it can be expressed as the quotient of two integers: 127÷ 1

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Which of the following is the solution to the equation 2 over 3x = 12?

x = 4
x = 8
x = 18
x = 24

Answers

Answer:     the first is 2.7

the 2nd is 2.34

the 4th is 8

the 5th is 4

the 3rd is 11over8

have a nice daY

Step-by-step explanation:

Multiply (2.0 ⋅ 10−4) ⋅ (3.1 ⋅ 10−20). Express the answer in scientific notation. 6.2 ⋅ 10−80 6.2 ⋅ 10−24 6.2 ⋅ 1024 6.2 ⋅ 1080

Answers

scientifice notation is
(number less than 10 but greater than or equal to 1) times (10^x)

remember
(ab)(cd)=abcd=(ac)(bd)

and
(x^m)(x^n)=x^(m+n)

so
(2*10^4)(3.1*10^20)=
(2)(10^4)(3.1)(10^20)=
(2*3.1)(10^4*10^20)

(10^4)(10^20)=10^(4+20)=10^(24)

(6.2)(10^24)

scientifie notiaotn is
6.2*10^24

2d option
(2,0 * 10⁻⁴) * (3,1 *10⁻²⁰) =

the order of multiplication factors not relevant

2,0 * 3,1 * 10⁻⁴ * 10 ⁻²⁰ =

6,2 *10 ⁻⁴ ⁺⁽⁻²⁰⁾ = 6,2⁻²⁴

Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 252 miles in the same time that Dana travels 228 miles. If Chuck’s rate of travel is 6 mph more than Dana’s, then at what rate does Chuck travel?

Answers

Answer:

Chuck travels as 63mph

Step-by-step explanation:

The temperature was −10 °F and dropped by 16 °F. Which statement represents the resulting temperature in degrees Fahrenheit? A −10 + 16 = 6 B 10 − (−16) = 26 C −10 − 16 = −26 D −10 − (−16) = −6

Answers

You are starting with a negative number (-10). The temperature the drops by 16 degrees so you are adding another negative (which is the same as just subtracting).

Your answer would be C
-10 - 16 = -26 degrees
A
−10 + 16 = 6
........................................................

Any suggestions or ideas

Answers

Hello!

a) Julie can read 0.8 pages.

The ratio of Julie's pages per minute is 60/75. As one minute, this equals 0.8 pages, or 4/5 pages.

b) p/m=4/5=350/m

To set up the proportion we will create variable labels to show where certain numbers will be in our proportion. our pages will be the numerators and minutes will be the denominators.

c) It will take her 437.5 minutes.

There are two ways to solve the proportion. You can find the multiplier between the numbers by dividing the second numerator by the first, and multiplying the quotient by the one denominator to find x.

You can also cross multiply, which sets up an equation to solve for x. This would give us 4x=1750. If we solve we get 437.5

I hope this helps!

How to solve 29+d=54;24,25,26

Answers

29 + d = 54
subtract 29 from both sides
d= 54-29
d=25
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