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Sergio [31]
3 years ago
5

Monica reads seven one half pages of a mystery book in nine minutes what is her average reading rate in pages per minute j

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0

she can read a total of 0.83 pages a minute if she reads at the pace she was reading at because if you take the amount of pages she read (7.5) and you divide by the amout of minutes read (9) then you can see if she read at a constant rate she would read 0.83 pages a minute

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A + b = 0<br> which of these is equal to b?
kobusy [5.1K]

Answer:

b is equal to negative a and a is also equal to negative b

Step-by-step explanation:

3 0
2 years ago
A rectangle has a length that is three feet more than twice it’s width. If the area of the rectangle is 90 square feet, then alg
Mkey [24]

Answer:

Length=27feet\\Width=12 feet

Step-by-step explanation:

Let, the length of the rectangle be 'L'

and, width of the rectangle be 'W'

length=2*Width+3

L=(2W+3) feet\\\\

Area of the rectangle= 90 square feet

Area of a rectangle = Length*Width

90=(2W+3)*W\\\\2W^2+3W=90\\\\2W^2+3W-90=0\\\\

Using Factorization Method to solve quadratic equation:

2W^2-12W+15W-90=0

Taking common from the equation:

2W(W-12)+15(W-12)=90\\\\(W-12)(2W+15)=0\\\\W-12=0\\\\W=12 feet

OR

2W+15=0\\\\2W=-15\\\\W=-7.5 feet

The Width cannot be negative, therefore Width(W)=12 feet

Length=2*Width+3\\\\=(12*2)+3\\\\=24+3\\\\=27 feet

Length=27feet\\Width=12 feet

3 0
3 years ago
Simplify by combining like terms. -4a + b + 9 + a -b-3 plz help !
Sedaia [141]

Answer:

- 3a + 6

Step-by-step explanation:

subtract and add like items together like

- 4a + a = -3a

b-b= 0

and

9-3 = 6

so the answer is

-3a +6

3 0
3 years ago
Craig likes to collect records last year he had Tim records and his collection now he has 15 records what is the percent increas
Softa [21]

Answer:

50% I believe?

Step-by-step explanation:

7 0
2 years ago
Which of the following values for x and y make the equation 4x + 2y + 3 = 19 true?
Alex_Xolod [135]
The third one is correct so it would be C.

Just substitute X and Y into the question.
6 0
3 years ago
Read 2 more answers
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