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grigory [225]
3 years ago
6

Staci has 13 pieces of rope, each piece is 5 feet long. What is the least number of pieces that she needs to tie together to mak

e a length that is at least 12 yards long? Please help now
Mathematics
1 answer:
Afina-wow [57]3 years ago
5 0

Answer:

5,10 ,15,20,25,30,35,60,65,70,75,80,85

Step-by-step explanation:

IT WOULD BE 85

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Holsen wants to know the theoretical and experimental probability of rolling a number larger than a 3 on a 6-sided number cube n
Artemon [7]

Answer:

The theoretical probability of rolling a number larger than 3 is 1/2 because this is what we expect to happen. The experimental probability of rolling a number larger than 3 is 1/3 because this is what actually happened.

Step-by-step explanation:

4 0
3 years ago
Data with 950 observations are drawn from a bell-shaped distribution with a mean of 78 and a standard deviation of 19. Approxima
AysviL [449]

Answer:  there are 22 observations that are more than 116.

Step-by-step explanation:

Let x be the random variable.

Given: Sample size = 950

Mean = 78

Standard deviation = 19

The probability that the observations are more than 116 is given by :-

P(X>116)=P(\dfrac{X-mean}{standard \ deviation}>\dfrac{116-78}{19})\\\\=P(Z>2)\\\\=1-P(Z

Number of observations are more than 116 = 0.0228\times950

=21.66\approx22

Hence, there are 22 observations that are more than 116.

4 0
3 years ago
Ten bagels and four muffins cost $13. Five bagels and eight muffins cost $14. How much does a bagel cost? How much does a muffin
morpeh [17]
<span>We are going to define two equations where b means bagels and m will be muffins, First equation: 10*b + 4*m = 13 Second equation: 5*b + 8*m = 14 From the second equation, we can isolate b: b = (14 - 8*m)/5 In the second equation 10*(14 - 8*m)/5 + 4*m = 13 2*(14 - 8*m) + 4*m = 13 28 - 16*m + 4*m = 13 28 -13 = 16*m - 4*m 15 = 12*m m = 15/12 = 1.25 Then b = (14 - 8*m)/5 = (14 - 8*1.25)/5 = 4/5 = 0.8 So one bagel costs $0.8 and one muffin $1.25</span>
6 0
3 years ago
If ZBPD and ZDPC have a sum of 72°. What is ZAPC?
Pani-rosa [81]

Hey there!

I don't know if it's too late, but oh well: The answer is 108°

Knowing that supplementary angles add up to 180°, and we also know that we have 2 out of 3 of the angle measures, so we can subtract that from 180:

180 - 72 =108°

Have a terrificly amazing day!

8 0
3 years ago
Read 2 more answers
A) 5x - 30x² = 0<br> Solve each equation by factoring
Fynjy0 [20]

Answer:

x=0     x = 1/6

Step-by-step explanation:

5x  -30x^2 = 0

Factor out the greatest common factor which is 5x

5x(1 -6x) =0

Use the zero product property

5x =0  and 1-6x =0

x =0                -6x = -1

                           x = -1/-6

                         x = 1/6

4 0
3 years ago
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