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Soloha48 [4]
2 years ago
7

Please help brainliest will be given

Mathematics
1 answer:
natita [175]2 years ago
4 0
Answer:

y = 5x + 3

Step-by-step explanation:

When x = 0 y = 3 so the y-intercept will be 3

And the equation is y = 5x + 3 where the slope is 5

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Lance and Alex have 70 pencils. Lance has 4 times as many pencils as Alex. Alex's pencils are shared equally among 2 children. H
gogolik [260]


let l = lance, and a = alex.

so: l + a = 70

and l = 4a

Putting the value for l in the first equation:

4a +a = 70

5a = 70

a = 14.

So Alex has 14 pencils. And Lance has (70-14) 56 pencils.

And if each child gets half of Alex' pencils, then each child will have 7 pencils.

6 0
3 years ago
The cost of renting a bus for a field trip was split evenly among 20 students. At the last minute, 10 more students joined the t
dexar [7]

By solving a linear equation, we will see that the total cost for renting the bus is $90.

<h3>What was the total cost of renting the bus, in dollars?</h3>

Let's say that the total cost is C.

When there are 20 students, each student should pay:

p = C/20

When the other 10 students are added (for a total of 30) each student pays:

p' = C/30.

We know that the cost for each of the original 20 students decreased by $1.50, so:

p' = p - $1.50

Then we have 3 equations to work with:

p = C/20

p' = C/30.

p' = p - $1.50

Now we can replace the first and second equations into the third one:

C/30 = C/20 - $1.50

Now we can solve this linear equation for C:

C/20 - C/30 = $1.50

C*( 1/20 - 1/30) = $1.50

C*(30/600 - 20/600) = $1.50

C*(10/600) = $1.50

C*(1/60) = $1.50

C = 60*$1.50 = $90

So the total cost for renting the bus is $90.

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

4 0
2 years ago
When factored completely the expression p^4-81 is equivalent to
spayn [35]
   
\displaystyle\\&#10;p^4 - 81 =\\\\&#10; =p^4-3^4 =\\\\&#10;= \Big(p^2\Big)^2 - \Big(3^2\Big)^2 =\\\\&#10;=\Big(p^2+3^2\Big)\Big(p^2-3^2\Big)=\\\\&#10;=\boxed{\bf \Big(p^2+3^2\Big)\Big(p+3\Big)\Big(p-3\Big)}



7 0
3 years ago
What are the x-intercept and y-intercept of the graph of y=1/3x−6 ?
Paraphin [41]
The y-intercept is -6, and the x-intercept is 18
6 0
3 years ago
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If the area of a square is 121 square inches. What’s the length of a side ?
Gwar [14]

It would be 11

Hope this helps


5 0
3 years ago
Read 2 more answers
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