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3 years ago

11

A student carries a backpack that weighs 10 pounds. They also carry an instrument that weighs x pounds. Which equation represent

s the total weight?

1 answer:

Serjik [45]3 years ago

8 0

Answer:

y=10+x

Step-by-step explanation:

C

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trey is selling candy bars to raise money for his basketball team. the team receives $1.25 for each candy . he has already sold

zlopas [31]

Answer:

He has earned $31.25 for his basketball team.

Step-by-step explanation:

25 * 1.25 = 31.25

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3 years ago

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(7x-y=7<br>(x+2y=6 estimate the solution to the system of equations

jolli1 [7]

Multiply the first equation by 2 to then use elimination by adding the 2 equations.

So, 14x-2y=14

+. x+2y=6

Equals 15x=20 so x=20/15=4/3

Plug in to first equation to get y

7(4/3)-y=7

28/3-y=7

28/3-y=21/3

So y=7/3

Plug both x and y into second equation to check

4/3+2(7/3)=

4/3+14/3=18/3=6 it works

So x=4/3, y=7/3

Hope this helps! Have a blessed day!

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3 years ago

Three hikers are dividing the costs of a hiking trip evenly. They bought two permits that cost $15 each, three tram tickets that

cestrela7 [59]

Each hiker owes $41 or 4100 cents for the hiking trip.

<u><em>Explanation</em></u>

Cost of each permit is $15. So, the cost of <u>two permits</u> will be: $(\$15*2)= \$30$

Cost of each tram ticket is $19. So, the cost of <u>three tickets</u> will be: $(\$19*3)=\$ 57$

Cost of <u>one can</u> of bear spray is $36.

So, the total cost of the hiking trip $=\$30+\$57+\$36=\$123$

As the <u>three hikers</u> are dividing the total costs of the trip <u>evenly</u>, so each hiker owes $=\frac{\$123}{3}=\$41$ or 4100 cents.

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3 years ago

Fill in values for a, b and c so that the answer to this equation is x = 4.<br>a(bx+3)=c

den301095 [7]

Answer:

A=1, B=3, C=15

Step-by-step explanation:

I think that

1(3x+3)=15

3x+3=15

3x=12

x=4

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3 years ago

Solve for x. Show your work.

creativ13 [48]

Answer:

Step-by-step explanation:

total degrees of a line is 180

4x+20+60=180

4x=100

X=25

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