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Papessa [141]
2 years ago
6

PLEASE HELP

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
7 0
The sum of exterior angles in total: 360 degrees

6th angle = 78+50+89+37+65= 319
Then 360-319= 41 degrees
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A true-false examination was constructed with the answers running in the following sequence: T F F T F T F T T F T F F T F T F T
julia-pushkina [17]

Answer:

yes

Step-by-step explanation:

lets use a significance level of = 0.1

<u> Determine if the sequence indicates randomness </u>

First step :

H0 : pattern is random

H1 : pattern not random

n1 ( number of true answers ) = 10

n2 ( number of false answers ) = 10

also number of runs for T = 5

       number of runs for F = 5

Total number of runs = 5+ 5 = 10

Given that critical value at 0.05 = 23

we will reject the null hypothesis ( i.e the sequence departs from randomness )

3 0
2 years ago
A rectangular park has an area of 64 square yards. If we multiply its length and width by 12, what will be the area of the new r
erma4kov [3.2K]
The area of the rectangle would be 768
7 0
3 years ago
Read 2 more answers
The table below shows the combination of a dry prepackaged mix and water to make concrete. The mix says for every 1 gallon of wa
egoroff_w [7]
Let's assign a variable x to the number of multiples for each pound of dry mix and water. With that being the said, the question for finding the total pounds would be:

Total pounds = x*Pounds of dry mix + x*Pounds of water
Total pounds = 60x + 8x = 68x = 14 + 1/6 = 85/6
x = 85/6 / 68
x = 5/24

Thus, the pounds of dry mix is 60*5/24 = 25/2 lbs, while the pounds of water is 8*5/24 = 5/3 pounds.

3 0
3 years ago
a tennis racket normally costs $80. the tennis racket is on sale for 40% off. what is the sale price of the tennis racket.
lbvjy [14]

Answer:$48.00


Step-by-step explanation:(80 x 40)/100 = $32.00

80 - 32.00 = $48.00


8 0
3 years ago
Read 2 more answers
2x
laiz [17]

Answer:

7

Step-by-step explanation:

2x² - 28x + 98 = 0

x² - 14x + 49 = 0

(x - 7)² = 0

x = 7

3 0
2 years ago
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