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Umnica [9.8K]
3 years ago
6

Find the angle b! Timed quiz!!

Mathematics
2 answers:
denis-greek [22]3 years ago
5 0

Answer:

9) 44°

10) 102°

11) 30°

12) 57°

shusha [124]3 years ago
4 0

Answer:

In order:

44

102

30

57

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Buckner put 60$ of his 400 paycheck into his saving account.What percent of his paycheck was placed into saving?
kotegsom [21]

Answer:

15%

Step-by-step explanation:

60/400 = 15/100 (I divided the numerator and denominator by 4 get the denominator 100, so we can find the percentage easily).

15/100 = 15%

4 0
3 years ago
How would you write .0000072 in scientific notation
I am Lyosha [343]

Answer:

7.2*10⁶

Step-by-step explanation:

0.0000072 =  7.2*10⁶

6 0
4 years ago
A manufacturer of household washing machines wants to determine the effectiveness of the type of detergent used (three brands –
ololo11 [35]

Answer:

Two-Factor ANOVA with replication

Step-by-step explanation:

Types of detergent used ( A,B,C ) = 3

Length of time for the washing cycle : A = 18 mins, B = 20 mins, C = 22 mins

number of laundry loads = 18

significance level = 5%

The alternative hypothesis for testing the interaction is a Two-Factor ANOVA with replication this is because the factors that have variations are the : The type of detergent and the length of time for a washing cycle while the load is constant for all.

5 0
3 years ago
Can someone pls pls help me?
vova2212 [387]

Answer:

i think 88

Step-by-step explanation:

(it's been a while since I've done this so I'm not too sure it's correct)

The formula we need to use is

2πr(angle/360)

we need the radius (r)

To get r we need angle AES

180-80= 100

using the equation from before

88=2πr*(100/360)

raidus: 50.42

Then to get the length CD we need angle DEC

180-80=100

2π*50.42*(100/360)=88

there probably was some kind of shortcut we could've used to figure this out faster but whatever

7 0
3 years ago
Is the polynomial 4t-7 in standard form?
liraira [26]

Answer:

Hi there!

The correct answer to this question is: yes.

Step-by-step explanation:

<u>standard form</u> means that the terms are ordered from biggest exponent to lowest exponent.

5 0
4 years ago
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