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scoundrel [369]
2 years ago
15

The sum of three numbers is 35. The first number is three less than the second and the third is two more than 4 times the second

. What are the numbers?
Mathematics
2 answers:
saul85 [17]2 years ago
7 0

Step-by-step explanation:

x + y + z = 35 \\ x = y - 3 \\ z = 4y + 2 \\  \\ (y - 3) + y + (4y + 2) = 35 \\ 6y - 1 = 35 \\ 6y = 36 \\ y =  \frac{36}{6}  \\ y = 6 \\  \\ x = y - 3 \\ x = 6 - 3 \\ x = 3 \\  \\  z= 4y + 2 \\  z= (4 \times 6) + 2  \\ z = 26

Harrizon [31]2 years ago
5 0

Answer:

the first number is 3

the second number is 6

and the third number is 26

Step-by-step explanation:

when you add 3, 6, and 26, you get a total of 35

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3 years ago
Maria sets a goal of jogging 17.5 miles this week she plans on running 2.75 miles each day for seven days if she follows her pla
Anit [1.1K]

Answer:

B

Step-by-step explanation:

So, to figure this out, we must find the total miles Maria ran in a week.

We know that she ran 2.75 miles each day.

She did this for 7 days.

Her goal was 17.5 miles.

So first, multiply the amount of days by the amount of miles per day:

7*2.75

=

19.25

So now we know that she ran a total of 19.25 miles in a week.

Since she onlu needed to run 17.5 miles, we can instantly rule out:

A - Runs less 17.5 miles

C - Runs exactly 17.5 miles

This leaves:

B - She runs 1.75 miles more than 17.5 miles

D - She runs 2.75 miles more than 17.5 miles

To figure out which on is correct, subtract her total miles by her goal:

19.25-17.5

=

1.75

So we know it must be:

B - She runs 1.75 miles more than 17.5 miles

This is because we figured out she ran an extra 1.75 miles.

Hope this helps! :)

6 0
3 years ago
PLZ HELP ASAP! ANSWER ALL FOR BRAINLIEST
34kurt

Answer:

4.

-building

-artisting

-selling

-making good

-trading

-farming

5. "Being settled meant being tied to land and possessions; being nomadic meant having a mobile community with a mobile food supply. This allowed nomads to attack and plunder resources. They could gain access to agricultural products without having to farm or trade."

6. " They were also trained in riding and archery, as they sometimes had to defend their communities from outsiders. Women’s graves sometimes contained weapons, suggesting they had a role in military life as well."

Step-by-step explanation:

8 0
3 years ago
Substitute 3x+y=4 5x-y=22
Mrac [35]
Simultaneous Equations

3x + y = 4
5x  - y = 22
The signs of the matching values aren't the same so we add the rest of the equations.
8x = 26
Divide both sides by 8 to get x = 3.25
Now substitute back into the first equation.
(3 x 3.25) + y = 4
9.75 + y = 4
Subtract 9.75 from both sides
y = -5.75
4 0
3 years ago
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likoan [24]
Um, I think you have to find three pools near you and measure them to answer your question.
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3 years ago
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