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marysya [2.9K]
3 years ago
12

What is 43 in expanded form? A. 3 × 3 × 3 × 3 B. 4 × 4 × 4 C. 12 × 12 × 12 D. 8 × 8

Mathematics
1 answer:
densk [106]3 years ago
7 0
4^3 = 4 \times 4 \times 4
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Show All Work
Angelina_Jolie [31]
The unit rate you're trying to find is pages per day(or p/d), so the equation needs to have both a unit for pages and for days.
The equation we have is:
5,249 = 29d
If they read 5,249 <em>pages</em>, then we can include the unit for pages in the equation.
Since we also know that <em>d</em> is the number of days it took, you can replace <em>d</em> with days.
The equation becomes:
5,249\ pages=29*(x\days)
Now that we have one variable, we can solve for <em>p/d</em>:
\frac{5,249\ pages}{29}=x\ days\\\\181 = x
Thus it took them 181 days to read it all.

If Johnny read 5,249 pages over 181 days and the unit rate is pages per day(p/d), then the equation for finding <em>p/d</em> is:
\frac{p\ pages}{d\ days}=\frac{5,249\ pages}{181\ days}=\frac{29\ pages}{1\ day}\\\\29\ \frac{pages}{day}
Johnny read 29 pages per day.
8 0
3 years ago
Which of the following circumstances would likely make completing the square th
svet-max [94.6K]

Answer:

The leading coefficient is 1 and the linear term coefficient is an even number

Step-by-step explanation:

Leading coefficient must be one for the application of completing square method. If the completing square is not one than we must apply other methods like Ac method, quadratic formula to solve the equation. To solve the equation with completing square the numerical value must be on other side of the equation. In this method we multiply linear term’s coefficient with one-half and square it therefore, completing square is suitable method for the equation having leading coefficient is 1 and linear coefficient is even.

3 0
3 years ago
Can anybody help me with questions 17-23?
sdas [7]
5600 is number 23 helps it helps
7 0
3 years ago
Two supplementary angles have measures of 9x degrees and 3x degrees. What is the measure of the longer angle?
strojnjashka [21]
9x+3x=180 by def. of supplementary
12x=180
12/12x=180/12
x=15

9x=9(15)=135°
5 0
3 years ago
Tyra's kitchen is 42 m wide and 6.3 m long. She is pasting a decorative border strip that costs $5.95 per meter around the top e
Setler [38]

Answer:

  • $124.95

Step-by-step explanation:

<u>The length of the strip is equal to perimeter of the kitchen.</u>

  • P = 2(4.2 + 6.3) = 21 m

<u>Cost of the strip is:</u>

  • 21*$5.95 = $124.95
8 0
2 years ago
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