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Lostsunrise [7]
3 years ago
9

Find the value of y. y= √?

Mathematics
1 answer:
geniusboy [140]3 years ago
7 0

Answer:

y =

\sqrt{55}

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The total weight of three tables is 16.9 pounds. The first table is twice as heavy as the second table and the weight of the thi
Degger [83]
Refer to image for answer

3 0
3 years ago
From an industrial area 70 companies were selected at random and 45 of them were panning for expansion next year. Find 95% confi
Lana71 [14]

Answer:

Confidence limit = [52.8%, 75.2%]

Step-by-step explanation:

P=\frac{45}{70}= 0.64

(1-P)=1-0.64=0.36

n= 70

P ± z \sqrt{\frac{P(1-P)}{n} }

where the value z will be taken from the z-table for 95% confidence interval

1-0.95= 0.05/2= 0.025

0.95+0.025= 0.0975

From the z-table the value of z corresponding to 0.0975 is 1.96

0.64 ± 1.96 \sqrt{\frac{0.64*0.36}{70} }

0.64 ± 1.96 (0.057)

0.64 ± 0.112

64%% ± 11.2%

so the confidence interval is

64+11.2=75.2%

64-11.2=52.8%

[52.8, 75.2]

8 0
3 years ago
What is the slope-intercept from equation of the line that passes through (5,7)and(8,22)?
elena55 [62]

y=5X+32

I hope this helps!

6 0
2 years ago
Solve the equation. Find x.<br> 20x + 5 - 0 = 5x + 32.5*2
SVEN [57.7K]

Answer:

x = 4

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

20x+5−0=5x+(32.5)(2)

20x+5+0=5x+65

(20x)+(5+0)=5x+65(Combine Like Terms)

20x+5=5x+65

20x+5=5x+65

Step 2: Subtract 5x from both sides.

20x+5−5x=5x+65−5x

15x+5=65

Step 3: Subtract 5 from both sides.

15x+5−5=65−5

15x=60

Step 4: Divide both sides by 15.

15x

15

=

60

15

x=4

Hope this helps!

:)

(:

:)

(:

7 0
3 years ago
Read 2 more answers
What is the answer to 2x+3=y
jeka57 [31]

Answer:

2x-y= -3

Step-by-step explanation:

2x=y-3

2x-y= -3

There is an app called photomath and u can take pictures of math problems and get the answer

6 0
3 years ago
Read 2 more answers
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