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KiRa [710]
3 years ago
13

The family has crops growing on 15 acres of their farmland. At the beginning of the growing season, Jayleen and Wyatt ride a tra

ctor to prepare the soil and plant the seeds. IF it takes them 1.5 hours to plant one acre, how many hours will it take them to plant all 15?
Mathematics
1 answer:
belka [17]3 years ago
3 0

Answer:

10

Step-by-step explanation:

Given:it takes them 1.5 hours to plant one acre.

So, in order to plant all 15 acres it would take

15/1.5 = 10 hours

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4 glue sticks cost $7.76<br><br> Which equation would help determine the cost of 13 glue sticks?
Elza [17]

Answer:

y=1.94x

13 glue sticks cost $25.22.

Step-by-step explanation:

4 blue sticks cost $7.76, this means that one glue stick costs

$7.76/4 = $1.94.

Let y be the cost of the glue sticks, and x be the number of glue sticks; then

\boxed{y=1.94x}

We can use this equation to find the cost of 13 glue sticks; we just put x=13\ into our equation and it gives:

y=1.94(13)=25.22

So 13 glue sticks cost $25.22.

4 0
3 years ago
Read 2 more answers
Determine the value of x.​
telo118 [61]

Answer:

10

Step-by-step explanation:

This triangle is isosceles, same as the little triangle.

If one side of the little triangle is 3x, then the little side with the tick (let's name it a) is also 3x.

That means the longer side, 2a, is 6x

This triangle is isosceles, so 6x = 4x + 20

Now, if we solve that, x = 10

The answer is 10

Hope this helps :)

Have a good day!

5 0
3 years ago
Dasfghg help me!!!!!!
jeka57 [31]
Completing the square
alrighty
minus 31 both sides
x²+12x=-31
take 1/2 of the linear coefient and square it
12 is the linear coefient
12/2=6, (6)²=36
add that to both sides
x²+12x+36=36-31
factor perfect square trinomial
(x+6)²=5
square root both sides, remember to take positive and negative root

x+6=+/-√5


so what you want to write is
x+6=√5 and
x+6=-√5

the solutions
minus 6 both sides

x=-6+√5 and -6-√5
8 0
3 years ago
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natka813 [3]

Answer:

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Step-by-step explanation:

I took a test with a question like that

8 0
3 years ago
3(2x-3)=2<br><br> Solve the following linear equation by first expanding the brackets
amm1812

3(2x-3)=2\\6x-9=2\\

hope this helps

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3 years ago
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