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patriot [66]
3 years ago
13

What is -9x - 5 - 8 + x in Simple form

Mathematics
1 answer:
Wittaler [7]3 years ago
7 0

Answer:

Step-by-step explanation:

-9x - 5 - 8 + x =

-8x - 13 <==

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A 12-issue magazine subscription costs $36. What is the average cost per issue of the magazine?
Natasha2012 [34]
$3 
its like a pack of 12 magazines costing $36 and you asked the cost of one magazine
by proportion; let average be=?
12~$36
1~?
1/12=?/36
?=(1/12)*36
?=3=average
7 0
3 years ago
12 pleaseeee and thanksss
Svetlanka [38]

Answer:

Step-by-step explanation:

0.5-8y= 72

7 0
3 years ago
An adult pass at the amusement park costs 1.6 times as much as a child's pass.
Ket [755]

Answer:

(5$ = 8) (10$=16) and im still not sure for w then part. b 24$

Step-by-step explanation:

5x1.6=8

10x1.6=16

i need help with w

15x1.6=24

sorry if this didnt help

4 0
3 years ago
Which reactant (X) is missing from the equation shown?
Andreas93 [3]

Answer:

three hydrogen atoms

Step-by-step explanation:

H3 + Po4 ----> H3Po4

<h2>MARK ME BRAINLIST</h2>

FOLLOW ME

8 0
2 years ago
The function f(t)=−8(t^2)+25 models the height of a ball dropped from 25 feet in the air.
Mars2501 [29]
The ball will be fastest right before it hits the ground because of gravity.

First, let's find the value of t where the ball hits the ground.

-8t²+25 = 0

-8t² = -25

t² = \frac{25}{8}

t = \frac{5}{2\sqrt{2}}

Note: t has to be positive, which is why there is no positive/negative symbol.

Now, let's calculate the derivative of this function. The derivative will give us the speed of the ball for time t.

d/dx = -16t

Now, let's plug in the value of t

-16 ( \frac{5}{2\sqrt{2}} }

= \frac{-5(8)}{\sqrt{2}}

= -20 \sqrt{2}

Take the absolute value of that because speed can't be negative

20\sqrt{2}

That's the speed of the ball. You can convert that into decimal if you'd like.

Have an awesome day! :)
5 0
3 years ago
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