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Stels [109]
3 years ago
14

Nick can read 3 pages of his book in 1 minute. At this rate how many pages can he read in 30 minutes?

Mathematics
1 answer:
g100num [7]3 years ago
5 0

Answer:

90

Step-by-step explanation:

3/1=3

30x3=90

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Simplify the algebraic expression -2(x - 3) + 4(-2 x + 8) *
LenaWriter [7]

Answer:

-10x + 38

Step-by-step explanation:

-2(x-3) + 4(-2x+8)  ------->    -2x + 6 - 8x + 32  ----------> -10x + 38

3 0
3 years ago
Read 2 more answers
A ball is thrown upward from the top of a building. The function below shows the height of the ball in relation to sea level, f(
gavmur [86]
We have the following function:
 f(t) = −16t2 + 34t + 546
 By definition, the average rate of change is:
 Avr = (f (t2) - f (t1)) / (t2 - t1)
 We have then:
 For t1 = 5:
 f (5) = -16*(5)^2 + 34*(5) + 546
 f (5) = 316
 For t2 = 5:
 f (7) = -16*(7)^2 + 34*(7) + 546
 f (7) = 0
 Substituting values:
 Avr = (0 - 316) / (7 - 5)
 Avr = -158
 Answer:
 The average rate of change of f (t) from t = 5 seconds to t = 7 seconds is -158 feet per second.


6 0
3 years ago
(+×9)(×-2) can some one solve it
marshall27 [118]
X2 - 2x + 9x - 18
X2 + 7x - 18
4 0
3 years ago
Nagayama writes one check for $459 to buy a lawnmower and another check for $32 to buy a hedge
sladkih [1.3K]

Answer:

565.24

Step-by-step explanation:

1056.24-459-32=565.24

4 0
3 years ago
Read 2 more answers
Suzanne bought 6 paint sets. Each set contains the same number of brushes. She has 18 brushes. Write and solve an equation to de
PSYCHO15rus [73]

Answer:

3

Step-by-step explanation:

Given that:

The number of paint sets, Suzanne bought= 6

As each set contains the same number of brushes.

Let x be the number of brushes each set contains.

So, the total number of brushes in 6 sets = 6x.

It is given that the total number of brushes she has is 18, which is equals to 6x.

So, the required equation is

6x=18

\Rightarrow x=\frac {18}{6}

\Rightarrow x=3.

Hence, the number of paint brushes each set contains is 3.

4 0
3 years ago
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