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Hitman42 [59]
3 years ago
8

Free points: this is because of all the kindness I have seen on brainly:

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
6 0

The answer to 5x5 is 25

Westkost [7]3 years ago
5 0

Answer:

5x5=25

Step-by-step explanation:

hope it's helpful

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Jared is putting a new deck off the kitchen. The deck will be 94.45 inches deep. He will use 16 boards that are each 5.7 inches
Kay [80]
16 boards that are 5.7 inches wide each make a total of 91.20 inches.
 
    16
<u>x 5.7
</u>  112
<u>+800
</u> 91.2 inches

Since the deck itself is 94.45 inches deep, we can subtract 91.2 from the number:

  94.45
<u>-91.20</u> 
   3.25 inches.

Finally, we divide 3.25 by 15, since that's the amount of spaces we want and they have to be equal:

3.25/15= .21667

We'll round that to two numbers, so we'll end up with .22.

Your final answer is .22 inches wide for each space.
8 0
3 years ago
Commuting. there are two routes he could take to work. Aneighbor who has lived there a long time tells him Route Awill average 5
iren2701 [21]

Answer:

a)We are 95% confident that the average commuting time for route A is between 1.3577 and 4.6423 minutes shorter than the average committing time for rout B.  

(b) No, because the confidence internal does not contain —5, which corresponds with an average of 5 minutes shorter for route A.

Step-by-step explanation:

Given:  

n_1 = 20

x_1= 40

s_1 = 3

n_2 = 20

x_2= 43

s_2 = 2

d_f = 33.1

c = 95%. 0.95

(a) Determine the t-value by looking in the row starting with degrees of freedom df = 33.1 > 32 and in the column with c = 95% in the Student's t distribution table in the appendix:  

t\alpha/2 = 2.037  

The margin of error is then:  

E = t\alpha/2 *√s_1^2/n_1+s_2^2/n_2

E = 2.037  *√3^2/20+s_2^2/20

  = 1.64

The endpoints of the confidence interval for u_1 — u_2 are:  

(x_1 — x_2) — E = (40 — 43) — 1.6423 = —3 — 1.6423= —4.6423

(x_1 - x_2)  + E   = (40 — 43) + 1.6423 = —3 + 1.6423= —1.3577  

a)We are 95% confident that the average commuting time for route A is between 1.3577 and 4.6423 minutes shorter than the average committing time for rout B.  

(b) No, because the confidence internal does not contain —5, which corresponds with an average of 5 minutes shorter for route A.

3 0
3 years ago
Write the slope-intercept form of the equation from the given the slope and y-intercepts
alisha [4.7K]
Slope intercept form is y = mx + b where m is the slope and b is the y-intercept.

Plugging those in we get:

y = - 5/2x + 1
7 0
3 years ago
If g(x ) = 3x + 1, evaluate g(-14). -5 -10 -41
Sever21 [200]

Answer:

-41

Step-by-step explanation:

g(x) = 3x + 1

g(-14) = 3*(-14) + 1

         = -42 + 1

        = -41

7 0
3 years ago
Read 2 more answers
What is the remainder when 3x2−7x+5 is divided by x+5?
blagie [28]

Answer: 2

Step-by-step explanation:

7 0
2 years ago
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