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wlad13 [49]
3 years ago
5

Simplify the following expression. 3(2x + 7)

Mathematics
1 answer:
Lynna [10]3 years ago
8 0

Answer:

6x+21

Step-by-step explanation:

3(2x+7)

3 multiply both 2x and 7

6x+21

hope it's helpful ❤❤❤❤❤

THANK YOU.

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a car traveling at a constant speed travels 175 miles in 4 hours? How many minutes will it take for the car to travel 1000 feet?
liubo4ka [24]

Answer:

0.26 minutes

Step-by-step explanation:

So if you want to solve this, you need to make all the units the same first. What you first need to work on is the rate, since what it is asking is minutes given distance in feet.

We know that there are:

5280 ft in a mile

60 minutes in an hour

We then convert the rate knowing this:

\dfrac{174\:miles}{4\:hours}\times\dfrac{5280ft}{1\:mile}\times\dfrac{1hour}{60\:minutes} = \dfrac{918,720ft}{240\:minutes} = \dfrac{3828\:feet}{1 minute}

In short, the car is traveling 3,828 ft every minute.

To determine how many minutes it will take for the car to travel just remember that:

speed=\dfrac{distance\:travelled}{time}\;\rightarrow\;time=\dfrac{distance\;travelled}{speed}

Now we plug in what we know and solve what we don't know:

time=\dfrac{1000feet}{\dfrac{3828ft}{1minute}}\;\rightarrow\;1000ft\times\dfrac{1\:minute}{3828ft}=0.26\:minutes

3 0
3 years ago
2.
9966 [12]

Answer:

c. 2/3

Step-by-step explanation:

To find the slope, you subtract y^1 from y^2 and divide it by x^2 - x^1

Our y^2 is 7 and our y^1 is 1.

7-1 = 6

Our x^2 is 3 and our x^1 is -6.

3 - (-6) = 3+ 6 = 9

so our slope is 6/9, reduced is 2/3

I hope this helped, please mark Brainliest, thank you!!

8 0
3 years ago
There are 648 pieces of candy evely split among 3 candy jars.
zepelin [54]
The answer is 216


648 divided by 3 gives you 216
4 0
3 years ago
Which of the following equations shows the correct form of the equation x 2 + 10x + 25 = 16 if the zero product property is to b
tester [92]

Answer:

  (x + 1)(x + 9) = 0

Step-by-step explanation:

After you subtract 16 from both sides, you get ...

  x² +10x +9 = 0

When you factor this equation, it becomes ...

  (x +1)(x +9) = 0

_____

For the zero product property to be of any use, the form of the equation must be a product that equals zero.

___

<em>Comment on the other answer choice</em>

(x -1)(x -9) = 0 = x² -10x +9 . . . . . the x term is different from that in the given equation. It has the wrong sign.

4 0
3 years ago
Which savings goal would most commonly be pursued by a retiree?
nikdorinn [45]

Answer:

The answer is an (IRA)

Step-by-step explanation:

The IRA means "Individual retirement account"

6 0
4 years ago
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