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Rainbow [258]
3 years ago
5

PLEASE HELP ITS DUE TMR N I JUST NEED A ANSWER

Mathematics
1 answer:
Daniel [21]3 years ago
7 0

The second answer because addition is commutative.


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2 1/2 1 1/16 = 3 1/16 3 1/2 3 9/16 3 3/16
amm1812
2 1/2     = 2 8/16

so

2 8/16  + 1 1/16    = 3 9/16

The answer is the third option



3 0
3 years ago
Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2
amid [387]
First you simply have to substitute 2 in replace of all the a's, and -2 in replace of all of the b's

4((2)2+2(-2))

Then you want to follow the order of operations, PEMDAS (Parantheses-Exponent-Multiplication-Division-Addition-Subtraction), and multiply within the parantheses.

4(4+(-4))

Next you will add within the parantheses (So add the 4 and -4 together)

4(0)

Lastly multiply

0

Your answer is 0

Hope this helps!
5 0
3 years ago
Read 2 more answers
Sasha is cutting a cake into 42 equal-sized pieces. If 14 people want cake, then they can each have 3 slices. And if 21 people w
kupik [55]

Answer:

k = 42

the constant of proportionality in this inverse variation is 42.

Step-by-step explanation:

Let x represent the number of people that want cake

And y the number of slices each can have;

Since x is inversely proportional to y;

x = k/y .....1

Where k is the proportionality constant;

To solve for k, we will substitute any of the case scenario given into equation 1.

If 14 people want cake, then they can each have 3 slices;

x = 14 , y = 3

substituting;

14 = k/3

k = 14 × 3 = 42

k = 42

the constant of proportionality in this inverse variation is 42.

Therefore,

x = 42/y

4 0
3 years ago
Ms. Williamson woke up one morning to find her basement flooded with water. She called two different plumbers to get their rates
Oliga [24]

Answer:

A. $148 for the first plumber for 4 hours. $256 for the second plumber for 4 hour

B. He did 5 hours

C. 1 hours because the flat rate plus the hourly fee adding it together will equal 64.

Step-by-step explanation:

Your welcome

6 0
3 years ago
Which best describes the effect on the x-intercept of the graph of y=34x−3 if the slope is changed to −34
lesantik [10]

Answer:

The last option: The x-intercept becomes negative and the new line intersects the original line.

Step-by-step explanation:

Remember that when finding the x-intercept you set y to 0.

Let's compare the two equations when we solve for x:

0=34x-3          0=-34x-3

1. Add 3 to both sides of the equations

3=34x               3=-34x

2. Divide the coefficients

\frac{3}{34}=x                   \frac{3}{-34}=x

We know that the new slope does not remain the same as stated in the first and third options. In order for two lines to be parallel, the slopes must be exactly the same, so the second option is incorrect. Therefore, the last option is correct.

3 0
2 years ago
Read 2 more answers
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