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3 years ago

Which expression is equivalent to

Mathematics

2 answers:

brilliants [131]3 years ago

7 0

Answer:

equivalent to what? Im sorry wish I could help

Step-by-step explanation:

KiRa [710]3 years ago

3 0

Answer:

Please finish your question?

Step-by-step explanation:

which expression is equivalent to doesn't give enough info.

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The sum of three consecutive even numbers is 84. What is the smallest of the three numbers?

kari74 [83]

Answer: 26

Step-by-step explanation: In this problem we have 3 consecutive even numbers whose sum is 84 and it asks us to find the smallest number.

Consecutive even numbers can be represented as x, x + 2, and x + 4.

Since the sum of these is 84, our equation reads

x + (x + 2) + (x + 4) = 84.

Simplifying on the left we get 3x + 6 = 84.

Subtract 6 from both sides and we have 3x = 78.

Divide both sides by 3 and x = 26.

So our smallest number is 26.

6 0

4 years ago

Which line is parallel to the line that passes through the points (1,7) and (-3, 4)? A. y=--x-5 B. y=+*+1 y=-x-8 O c. D. 11 v==x

uysha [10]

Answer:

Step-by-step explanation:

because

3 0

3 years ago

Nellie prepares 2 kilograms of dough every hour she works at the bakery. How many hours

belka [17]

2 kg dough = 1 hour

1 kg dough = 1 hour/2 = 1/2 hour

6 kg dough = 6 × (1/2 hour) = 6/2 hours = 3 hours

6 0

3 years ago

Read 2 more answers

Find the inverse function. 1 f(x) = 1 = 2x+2 + f-1(x) = [? ]x + [

Tpy6a [65]

Answer:

y= 2x - 1

Step-by-step explanation:

i hope that helps

3 0

3 years ago

Mandy and Jeff start running around the track in the same direction at the same time. Mandy runs one lap in 2 minutes and 30 sec

Savatey [412]

Answer:

At 8:52:30 am they will be side-by-side again

Step-by-step explanation:

Let s be the distance ran in one 1 lap.

Here Jeff runs one extra lap compared to Mandy for coming side by side again.

Mandy runs one lap in 2 minutes and 30 seconds = 150 s

Speed of Mandy, $=\frac{s}{150}$

Jeff runs one lap in 2 minutes and 15 seconds = 135 s

Speed of Jeff, $=\frac{s}{135}$

Let t be the time when Jeff run one extra lap,

That is

$t\times \frac{s}{135}-t\times \frac{s}{150}=s\\\\t\left ( \frac{1}{135}-\frac{1}{150}\right )=1\\\\t\times \frac{15}{135\times 150}=1\\\\t=1350s$

So after 1350 seconds Jeff comes side by side to Mandy,

They both start at 8:30 am

1350 s = 22.5 minutes = 22 minutes 30 seconds

Time = 8:52:30 am

3 0

3 years ago