WHAT is the answers to 2a 2b and 2c ?

Answers

Answer 1

Answer: a). The shape has 5 sides. The inside angles of every 5-sided shape (pentagon) add up to 540 degrees. The 3 angles given add up to (110 + 109 + 100) = 319 . The two leftover angles add up to (540 - 319) = 221 degrees. They're not equal, so we can't tell how the 221 breaks down between them. b). The shape has 4 sides. The inside angles of every 4-sided shape add up to 360 degrees. The 3 angles given add up to (85+ 92 + 93) = 270 degrees. The fourth angle is (360 - 270) = 90 degrees, even though it doesn't look like it. c). The shape has 6 sides. The inside angles of every 6-sided shape add up to 720 degrees. The 4 angles given add up to (120 + 110 + 105 + 110) = 445 degrees. The two leftover angles add up to (720 - 445) = 275 degrees. They're not equal, so we can't tell how the 275 breaks down between them.

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Show worksolve x^2-6x= -25
Anne buys her store's art supplies from a wholesaler. She purchases 8 canvases that are 16 by 20 inches for $7.16each. How much profit does Anne make on the sale of these 8 canvases?OA. $35.92OB. $45.63OC.$57.28OD. $86.04

Janet used the following steps to solve43 + 3(-5 + 2). Which step has an error written in it?

Step 0: 43 + 3(-5 + 2)

Step 1: 43 + 3(-3)

Step 2: 12 + 3(-3)

Step 3: 12 + (-9)

Step 4: 3

Answers

Answer:

Step 2

Step-by-step explanation:

Janet replaced 43 from 12 out of nowhere, and there is nothing in the problem indicating that 43 should be changed into 12.

Julia is taking a test with multiple choice and true/false question the test has twentg question altogether . julia gets five points for correct multiple choice answer nd lose one points for each incorrect true/fales answers . she earned 76 points in the test how many multilpe choice question and true/fales question are one the test ? .let ___ =________
let ___=________
system of equestion :

solution :

plzz help fastt :)

Answers

x=number of corect
y=number of incorrect
5 points for each correct so 5x
-1 point for each incorrect so -y

5x-y=76
solve for x and y

I like putting it into slope intercep tofrm which is y=mx+b
add y to both sides
5x=76+y
subtract 76 from both sides
5x-75=y
y=5x-76

subsitute values for x and get values for y
remember, that julia cannot answer a negative number of incorrect questions so y must be greater than or equal to 0

so solve for minimum
0<5x-76
add 76 to both sides
76<5x
divide by 5
15.2<x
you cannot answer a fraction of a correct quesiton so round up
16 is the minumum number of queswtions correctlyh answered

so
x>16

subsitute 16 for x
y=5(16)-76
y=80-76
y=4

as we subsitute more numbers over 16, we get these points
so (x,y)
(16,4)
(17,9)
(18,14)
(19,19)
(20,24)
(21,29)
(22,34)
(23,39)
x=correct answer
y=wrong answers

Jean Marie has $4,000 in the bank, $500 worth of credit card debt and a $15,000 student loan. Jean Marie would like to know her net worth. She finds the difference between her assets, $4,500, and her liabilities, $15,000, and determines her net worth is -$10,500. Evaluate Jean Marie's determination.- Her calculations are correct.
- She counted a liability as an asset.
- She counted an asset at a liability.
- Her answer should be positive.

Answers

4,000 in bank -500 and 15000 so she had -20000 +4000 so it equals -16000

In a bag of marbles, you have 4 green, 3 yellow, 5 blue, and 8 red marbles. What is the probability of picking a green marble from the bag?a) 3/20
b) 1/5
c) 1/10
d) 1/4

Answers

4 + 3 + 5 + 8 = 20

4 / 20 = 1/5

A) 3/20
add up all of the marbles and whatever is asking you for possibilities is the number of marbles is given you already. for example. i have a ticket for a raffle. so i got only 1 and there is 25 people more with a ticket. what are my chances of winning? 1 out of 25 right?(1/25) because i got 1 ticket if i had 2 it would be 2 out of 25 or (2/25) hope this helps. :)

Evaluate a + b for a = 2 and b = 3.
1
5
6

Answers

a = 2
b = 3.156

(a + b) = (2) + (3.156) = 5.156

just add if it were normal 2 + 3 = 5 and just out the .156

answer is 5.156

Scientific notation for 9,081,000

Answers

9,081,000 in scientific notation = 9.081 x 10^6
You try to get a number from 1-10, and you keep moving the decimal in order to accomplish this.
9.081 is in between 1-10. You moved the decimal 6 times, so its 10^6!

Answer:

9.081 x 10^6

Step-by-step explanation:

Now, 10^6 is 1,000,000.

and, 9.081 x 1,000,000 is 9,081,000.

so, 9.081 x 10^6.

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