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kupik [55]
3 years ago
9

Subtraction is a commutative operation. When writing an expression for the difference of two numbers, it does not matter what or

der the numbers are in.
a. True
b. False
Mathematics
2 answers:
Mice21 [21]3 years ago
7 0
A.True they can be switched around
Free_Kalibri [48]3 years ago
5 0

the answer is FALSE

not true at all.

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QuestionA local road rises 30 feet for every 483 feet of highway. What is the slope of the highway?
max2010maxim [7]

The slope can be found by the "rise over run", that is, is the change in variable y divided by the change in variable x.

In this question,

\begin{gathered} slope=\frac{rise\text{ in the road}}{run\text{ in highway}} \\  \end{gathered}

Substituting the values:

\begin{gathered} slope=\frac{30}{483} \\ slope=0.06\text{ feet per feet of highway.} \end{gathered}

Answer: 0.06 feet per feet of highway.

3 0
1 year ago
To celebrate the first day of a leap year, I taught my dog to jump through a hoop. It was a Sunday. When he taught me the same t
juin [17]

Answer:

Tuesday

Step-by-step explanation:

364/7 = 52, meaning that 364 days later will also be a Sunday. 2 days after that (366 as it is a leap year) would be a Tuesday.

8 0
4 years ago
Y=21.95x+10<br> y=22.45x<br><br> Solve by substitution
bogdanovich [222]

Answer:

  (x, y) = (20, 449)

Step-by-step explanation:

When the equations are in this form, it is easiest to substitute one of the expressions for y into the other equation. That gives ...

  21.95x +10 = 22.45x

  10 = 0.50x . . . . . subtract 21.95x

  20 = x . . . . . . . . .multiply by 2

  y = 22.45x = 22.45·20 = 449

4 0
3 years ago
Someone help me and explain it to me please
mariarad [96]
I honestly think it is B, i really really hoped this helped you
4 0
4 years ago
Read 2 more answers
24 divided by the ratio 3:4 please help
lukranit [14]

Step-by-step explanation:

24 ÷ 3:4

= 24 / 3 / 4

Basics

a / b / c = a / b / c / 1

....1 is normally invisible since a number

divided by 1 is itself. i wrote 1 down to show the reciprocal property.

a/b/c/1 = a/b × 1/c = a/bc ...Flip the number you're dividing with.

24/3/4 = 1/24 × 3/4 = 3 / 96 = 3 × 1 / 3 × 32 ...cancel the 3s'

= 1 / 32.

5 0
3 years ago
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