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Andrews [41]
3 years ago
7

Very urgent please help.... And show step by step explanation!

Mathematics
1 answer:
vichka [17]3 years ago
6 0

Answer:

8x^{2} +3x+6

Step-by-step explanation:

To find total area, the farmer needs to find add the areas of the two plots.

Area equation can be obtained by summing eqtn 1 to eqtn 2 as below to obtain a single polynomial expression for the area.

a1=3x^{2} +7x-5

a2=5x^{2} -4x+11

Therefore total area is given by:-

(3x^{2} +7x-5)+(5x^{2} -4x+11)\\=8x^{2} +3x+6

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Measures of Center and Variability
pickupchik [31]
1. The mean of all the numbers is 41.
5. Median : 52
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3 years ago
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How to solve problems like this
evablogger [386]
You can always graph both equations and see where they intersect. Go to www.desmos.com
7 0
3 years ago
The Sommers invested $5000 for three years at 6.5%. How much interest did the investment earn in three years? What was the total
Jet001 [13]

Answer:

the interest is $975

the total amount  is $5975

Step-by-step explanation:

lets use tje formula

I=PRT

where I is interest earned

P is the principal amount(original amount)

R is the rate of interest

and T is the time in years

so

the principal amount is 5000 since it is the original amount

rate is \frac{6.5}{100}=0.065

time is 3 years

lets plug these values into our equation:

5000*0.065*3=I

5000*0.065*3=975

the interest is $975

the next part of the question is asking for the balance or the total amount which is principal+interest

5000+975=5975

the total amount or balance is $5975

hope this helps

8 0
3 years ago
Pls help u guys im litterally about kahshoot myself bc of school I just wanna cry
GarryVolchara [31]

Answer:

First blanks: 36 and 36

Second blanks: -7 or 7

Step-by-step explanation:

Simplify (x+6)^2 and you get x^2+12x+36. 36 is what’s missing in that blank, and it needs to be added to both sides. Next, the second set of blanks is what you get when you take the square root of both sides of the equation. Sqrt((x+6)^2)=x+6. Sqrt(49)= -7 or 7. So you have to put 7 and -7 in the second set of blanks.

4 0
3 years ago
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Can someone help me:)
lesya692 [45]

Answer:

The value of x is 12.

Step-by-step explanation:

To make the denominators the same we can: Multiply the top and bottom of each fraction by the denominator of the other.

\dfrac{x}{3}-5\cdot\dfrac{3}{3}=-1\\\dfrac{x}{3}-\dfrac{15}{3}=-1\\\dfrac{x-15}{3}=-1\\

Cross multiply with each other.

x-15=-1\cdot 3\\x-15=-3\\x=-3+15\\x=12

7 0
3 years ago
Read 2 more answers
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