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sammy [17]
3 years ago
9

On his first five math tests Colin receive the following scores: 82,90,93,62,and 81. What test score must : Burn on his six test

so that his average for all six of us 80?
Mathematics
1 answer:
ohaa [14]3 years ago
6 0

Answer:

The lowest he can get is a 72 to maintain an 80 as his average

Step-by-step explanation:


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Find the sum of the given arithmetic series. 24 + 48 + 72 + 96 +...+ 480
Alja [10]

Answer:

5040

Step-by-step explanation:

The given series is :

24 + 48 + 72 + 96 +...+ 480

The first term, a= 24

Common difference, d = 24

The last term, a_n=480

Let there are n terms in the AP.

So,

a_n=a+(n-1)d\\\\480=24+(n-1)24\\\\480=24+24n-24\\\\n=20

There are 20 terms in the series. The sum of 20 terms is :

S_{20}=\dfrac{n}{2}(2a+(n-1)d))\\\\=\dfrac{20}{2}\times (2(24)+19(24))\\\\=5040

So, the sum of the given arithmetic series is equal to 5040.

8 0
3 years ago
The approximate areas of Georgia and South Carolina are listed below:
eimsori [14]

Answer:

Step-by-step explanation:

3 0
2 years ago
NEED HELP ASAP!! IF YOU ANSWER RIGHT YOU GET BRAINLIEST!!!!!​
lana66690 [7]

Answer:

  5x^2 +10x

Step-by-step explanation:

The area is the product of the height and width. For this exercise, it is convenient to compute the rectangle areas individually, then write their sum:

  blue rectangle area = (5x)(x) = 5x^2

  red rectangle area = (5x)(2) = 10x

Total area = 5x^2 +10x.

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If you start by writing an expression for the total area, expanding it requires you deal with the unlike terms separately anyway:

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7 0
3 years ago
Angle 3 is 65 degrees. Identify all the other angles that measure 65 degrees.
Bas_tet [7]
Angles 2, 6, and 7 because angle 1 = 115 so that makes angle 4 = 115 so angle 2 must also be 65 so angle 4 and 2 = 180 and the same goes for angles 5,6,7,8
4 0
3 years ago
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Which phrase describes the variable expression m + 5
Vikentia [17]

b) five more than m

"m in addition to 5"= m+5

5 0
3 years ago
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