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givi [52]
3 years ago
14

Simplify the following expressions ( combine like-terms )

Mathematics
1 answer:
galina1969 [7]3 years ago
5 0

Answer:

6x

Step-by-step explanation:

Step 1: Write equation

x + 2x + 3x

Step 2: Combine like terms

3x + 3x

6x

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Which car can travel at the slowest rate? Plz help fast
grigory [225]

Answer:

D


Step-by-step explanation:

Let's find unit rate of each (number of miles traveled in 1 hour). For that we will divide the distance by time to get the unit rate.

Note: rate=\frac{Distance}{Time}


(A)

rate = \frac{300}{4}=75 mph (miles per hour)

(B)

rate = \frac{450}{6}=75 mph

(C)

rate = \frac{750}{10}=75 mph

(D)

rate = \frac{800}{12}=66\frac{2}{3} mph


<u>As we can see, the first 3 rates are same, 75 mph, and the last one is 66\frac{2}{3} mph. So clearly, the last rate is the slowest.</u>

D is the right answer.

7 0
3 years ago
Read 2 more answers
Find the volume of a box that is 2 in x 4 in x 3 inch
aleksklad [387]

Answer:

24in

Step-by-step explanation:

2*3*4= 24

4 0
3 years ago
Read 2 more answers
The RANGE of the function f is
monitta

Answer:

Step-by-step explanation:

The range of the function is what values of y from lowest to highest that are covered by the function.  The domain are the values on the left: A-E; the range are the values on the right: 1-3.  We state both domain and range in interval notation, stating only the lowest and highest values in either a set of brackets if the values are included, a set of parenthesis if the values are not included, or a mixture of both.  Our range is inclusive, so we mention the lowest and the highest only: [1, 3].

7 0
3 years ago
Simplify: 12-(14-9x)​
Phoenix [80]
Distribute the signs: 12-14+9x
so, -2+9x
4 0
3 years ago
What is 620,000 nearest 10 thousand
FinnZ [79.3K]

Here first we have to understand which place is 10 thousand.

6- hundred thousand

2- ten thousand

0- thousand

0- hundred

0- ten

0- one

so as we can see 2 is in ten thousands place.

Now rounding ten thousands place is done by looking up to thousands place.

If the digit at thousands place is 5 or greater than 5 then we change our ten thousands value to one digit higher else it remains same.

Here we have 0 at thousands place , which is less than 5 , so we keep the number as it is.

Answer: 620, 000

5 0
3 years ago
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