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kow [346]
2 years ago
14

Find the value of x. 630 440 x + 81

Mathematics
1 answer:
Gre4nikov [31]2 years ago
6 0

Answer: 9(30800x+9)

Hope it helped

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Two urns each contain green balls and blue balls. Urn I contains 4 green balls and 6 blue balls, and Urn II contains 6 green bal
Morgarella [4.7K]
Urn 1 = 4 green balls and 6 blue balls, a total of 10 balls
Urn 2 = 6 green balls and 2 blue balls, a total of 8 balls.

Probability of blue balls:
Urn 1 : P = 6/10 
Urn 2 : P = 2/8 

Probability that both balls are blue:
6/10 * 2/8 = 6*2 / 10*8 = 12/80 = 6/40 = 3/20 

Answer is B. 3/20
3 0
3 years ago
Find the critical value zα2/ that corresponds to a 91% confidence level. Question 13 options: a) 1.7 b) 1.95 c) 1.81 d) 2.33 e)
anyanavicka [17]

Answer:

D

Step-by-step explanation:

2.33 I think

6 0
2 years ago
A Carpenter who is installing cabinets uses thin pieces of material called shims to fill gaps. the carpenter uses four shims to
daser333 [38]

Answer: .235


Step-by-step explanation:

Total Distance - Shim 1 - Shim 2 - Shim 3 = Shim4

1.2 cm - 0.75 cm - 0.125 - 0.09 cm = 0.235 cm

4 0
3 years ago
What are the real or imaginary solutions of the polynomials x4 -­52x2 + 576 = 0
asambeis [7]
Hello,

Answer B

x^4-52x²+576=0
==>x^4-16x²-36x²+576=0
==>x²(x²-16)-36(x²-16)=0
==>(x²-16)(x²-36)=0
==>(x+4)(x-4)(x+6)(x-6)=0


6 0
3 years ago
What is −5 1/3 ÷ 2 3/4? <br> a. −12 5/6 <br> b. −7 5/12 <br> c. −1 31/33 <br> d. −1 11/12
julia-pushkina [17]
I hope this helps you



-( 3.5+1/3) ÷ 2.4+3/4



- 16/3 ÷ 11/4



-16/3 × 4/11


- 64 / 33


- 1 31 /33
7 0
3 years ago
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