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3 years ago

Hardy’s plant grows rapidly.It grows by 10 cm every 2 Years. How much taller will Hardy’s plant be in 5 Years.

2 answers:

5 0

If the plant grows 10 cm every 2 years, then that is definitely a linear function.

Since it's a linear growth, the plant is gonna grow 25 cm in 5 years.

So, X+25 (after 5 years) = your answer. (X is the present height o your plant).

Hope this helped! :D

kondaur [170]3 years ago

3 0

25 cm I need 20 characters

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Sarah would like to make a 6 lb nut mixture that is 60% peanuts and 40% almonds. She has several pounds of a mixture that is 80%

ivolga24 [154]

Answer:

a. The system of equations that models the situation is....

$0.80x+0.50y=3.60\\\\ 0.20x+0.50y=2.40$

b. The solution to the system: x = 2 and y = 4

The amount of 80/20 mixture is 2 pounds and the amount of 50/50 mixture is 4 pounds.

Step-by-step explanation:

Suppose, the amount of 80/20 mixture is $x$ pounds and the amount of 50/50 mixture is $y$ pounds.

So, the amount of peanuts in 80/20 mixture $= 0.80x$ pound and the amount of almonds in 80/20 mixture $=0.20x$ pound.

And the amount of peanuts in 50/50 mixture $=0.50y$ pound and the amount of almonds in 50/50 mixture $=0.50y$ pound.

Now, Sarah would like to make a 6 pounds nut mixture that is 60% peanuts and 40% almonds.

So, the amount of peanuts in that mixture $=(6\times 0.60)=3.60$ pounds

and the amount of almonds in that mixture $=(6 \times 0.40)= 2.40$ pounds.

So, the system of equations will be.........

$0.80x+0.50y=3.60 ...................(1)\\\\ 0.20x+0.50y=2.40...................(2)$

Subtracting equation (2) from equation (1), we will get.....

$(0.80x+0.50y)-(0.20x+0.50y)=3.60-2.40\\ \\ 0.60x=1.20\\ \\ x= \frac{1.20}{0.60}=2$

Now, plugging this $x=2$ into equation (1), we will get......

$0.80(2)+0.50y=3.60\\ \\ 1.60+0.50y=3.60\\ \\ 0.50y=3.60-1.60=2\\ \\ y=\frac{2}{0.50}=4$

So, the amount of 80/20 mixture is 2 pounds and the amount of 50/50 mixture is 4 pounds.

7 0

3 years ago

In a school there are 1500 boys and

maw [93]

Answer:

Step-by-step explanation:

If there are 1500 total students.

75% or 1125 are boys

25% or 375 are girls.

7 0

3 years ago

To make 6 apples pie, you need 2 pounds of apples. How many pounds of apples do you need to make 10 apple pies?

Bezzdna [24]

For every 6 apple pie, you need 2 pounds of apples.
So, how many pounds of apples do you need for 10 apple pies?
Well, first to figure out this question we first need to make a conversion factor.
I see in the fraction 6/3 we can simplify that to 2/1. Now we got our conversion factor.
We need to invert the fraction in order for the pie unit to cancel out.
1/2 * 10 = 5

You will need 5 pounds of apples to make 10 apple pies.

4 0

3 years ago

Read 2 more answers

Jarods house is 17 miles from the soccer field there are 5,280 how many feet from the soccer field is jarods house

klemol [59]

Answer: 89,760 miles

Step-by-step explanation: 5,280*17=89,760.

6 0

3 years ago

Solve 80/100 = 68/n using cross multiplication.

Karo-lina-s [1.5K]

80n = 68*100