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Jlenok [28]
3 years ago
5

a rectangular corn hole area at the recreation center has a width of 5 feet and a length of 10 feet. if a uniform amount is adde

d to each side, the area is increased to 84 square feet. what is the amount added to each side
Mathematics
2 answers:
rusak2 [61]3 years ago
5 0

Answer:

the answer is add 2 feet on each side!

Step-by-step explanation:


harkovskaia [24]3 years ago
3 0
Let
x-------------> amount added <span>to each side
</span>A-------------> area increased----------> 84 ft²

we know that
A=(10+x)*(5+x)=84-----------> 10*5+10*x+5*x+x²
50+15x+x²=84----------> x²+15x-34=0
<span>solving the second order equation
</span>x1=-17
x2=2

 the answer is x=2 ft
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Jasmine wants to eat at 8:00pm her meal takes 65mins to cook what time does she need to put the meal in the oven
densk [106]

Answer:

She needs to put the meal in the oven on or before 6:55pm.

Step-by-step explanation:

It is given that Jasmine wants to eat at 8:00pm.

The time she needs to cook her meal = 65 mins.

To find the time she needs to put the meal in the oven, we have to subtract 65 mins from 8:00pm

65 mins = 1 hour and 5 mins.

So, 1 hour before 8:00pm is 7:00pm.

5 mins before 7:00pm is 6:55pm.

Hence, she needs to put the meal in the oven on or before 6:55pm so that she can't miss 800pm to eat.

5 0
4 years ago
Read 2 more answers
Can someone please help me with both these questions? You will get 20pts
Volgvan

Answer:

#1) -3 feet

#2) 5hours

Step-by-step explanation:

#1) you need to find the rate of change- feet per minute

To find the rate, divide -12 feet by 4 minutes (the twelve in negative because it decreases, almost like subtraction)

-12/4= -3 feet per minute.

Now, multiply by amount of minutes- -3x1=  -3 feet in 1 minute

#2) To find the maount of degrees each hour,

divide 10 degrees by 2 degrees per hour.

10/2=5 hours

Hope this helps :)- please give me brainliest!!

3 0
3 years ago
For the following inequality, find a solution for the variable. Show all of your work and use complete sentences to explain the
timama [110]

Answer:

x ≤ -12

Step-by-step explanation:

To get x by itself you simply multiply both sides by 4, since 1/4 * 4 = 1.

5 0
3 years ago
(GIVING BRAINLIEST!!!)
Ivenika [448]

Answer:

the answer is c

Step-by-step explanation:

hope i helped

4 0
3 years ago
Read 2 more answers
What is the interest rate of each investment if The annual interest on a $17,000 investment exceeds the interest earned on an $8
Butoxors [25]

<u>Solution-</u>

Let's assume, the rate of interest of $8000 is x%,

then the rate of interest of $17000 is (x+0.3x) =1.3x%

Interest earned by $8000,

i_1=\frac{8000\times x\times 1}{100} =80x

Interest earned by $17,000,

i_2=\frac{17000\times 1.3x\times 1}{100} =221x

According to the question,

\Rightarrow i_1=i_2+276

\Rightarrow 221x=80x+276

\Rightarrow 221x-80x=276

\Rightarrow 141x=276

\Rightarrow x=1.96

∴ Rate of interest of $8000 is 1.96% and rate of interest of $17000 is (1.3×1.96) =2.55%

3 0
3 years ago
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