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3 years ago

Cameron 's book log shows he read a total of 1 1/2 hours each week for 4 weeks. How many total minutes did he read?

Mathematics

1 answer:

Nataly [62]3 years ago

8 0

Answer:

360 minutes

Step-by-step explanation:

(1.5 h/wk)·(4 wk)·(60 min/h) = 1.5·4·60 min = 360 min

Multiply reading time per week by the number of weeks to get reading time. Multiply the number of hours by the number of minutes in an hour to get minutes.

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Let k ( x ) = 2 x + 3 and m ( x ) = 3 x 2 + 7 x − 10 . Find the indicated value. M ( k ( − 4 ) ) =

murzikaleks [220]

Answer: $30$

Step-by-step explanation:

Given

$k(x)=2x+3$

$M(x)=3x^2+7x-10$

$M\left(k(x)\right)$ is given by replacing the $x$ by $k(x)$ from the $M(x)$

$\Rightarrow M\left(k(x)\right)=3(2x+3)^2+7(2x+3)-10\\\Rightarrow M\left(k(x)\right)=3(4x^2+9+12x)+14x+21-10\\\Rightarrow M\left(k(x)\right)=12x^2+50x+38$

Now, $M\left(k(-4)\right)$ is

$\Rightarrow M\left(k(-4)\right)=12(-4)^2+50(-4)+38\\\Rightarrow M\left(k(-4)\right)=192-200+38\\\Rightarrow M\left(k(-4)\right)=30$

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3 years ago

3(2x + 11) and (3x + 15)(2)

algol [13]

Answer:

3(2x+11)= 6x+33 and (3x+15)(2) = 6x+30

Step-by-step explanation:

Use distributive property to multiply the outside factor to each factor inside the parenthesis.

3(2x+11)

(3*2x)+(3*11)

6x+33

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3 years ago

How do you solve for #23

Bingel [31]

5 is you answer because absolute value is the distance on a number line from 0

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3 years ago

what is an equation of the line perpendicular to y+1=-3(x-5) and passes through (4,-6)? please help quick

Fiesta28 [93]

Step-by-step explanation:

The slope of the given line is -3. Since perpendicular lines have slopes that are negative reciprocals of each other, the slope of the line we need to find is 1/3.

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2 years ago

Read 2 more answers

_________________<br>√(-√2-(-√2))²+(√3-2√3)²

xz_007 [3.2K]

_________________
√(-√2-(-√2))²+(√3-2√3)²= 3

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2 years ago