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Marina86 [1]
2 years ago
9

In quadrilateral RSTU, RS = 60 mm, ST = 60 mm, TU = 112 mm, and UR = 112 mm.

Mathematics
1 answer:
lesya692 [45]2 years ago
5 0

Answer:

A. factor 4

Step-by-step explanation:

Just choose any side of the original one e.g 60mm and divide it by the lenght of the same side of the new one. In A. this gives you 60mm/15mm = 4. Then you can multiply the other lengths with that factor and if the result is equal to the sides of your original one you found the solution.

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Two workers produced 86 parts and the first one produced 8 more parts than the second one. How many parts did each worker produc
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1st worker produced x pants,
2nd worker produced (x+8) pants.

x+x+8=86
2x=78
x= 39

x+8 = 
39+8 = 47

1st worker produced 39 pants,
2nd worker produced 47 pants.
6 0
2 years ago
Read 2 more answers
According to a report in USAToday, more and more parents are helping their young adult children get homes. Suppose eight persons
Inga [223]

Answer:

a)  95% confidence interval for the population proportion of all young adults in Kentucky who received help from their parents.

( 0.0761 , 0.3239)

b) Margin of error  =  0.1264.

Step-by-step explanation:

<u>Explanation</u>:-

Given '8' persons in a random sample of 40 young adults who recently purchased a home in Kentucky received help from their parents.

sample proportion of success 'p' = \frac{8}{40} = 0.2

q = 1=p

q = 1-0.2 = 0.8

a)

95% confidence interval for the population proportion of all young adults in Kentucky who received help from their parents.

(p-1.96\sqrt{\frac{pq}{n} } , p+1.96\sqrt{\frac{pq}{n} } )

(0.2-1.96\sqrt{\frac{0.2X0.8}{40} } , 0.2+1.96\sqrt{\frac{0.2X0.8}{40} } )

(0.2 - 0.1239,0.2+0.1239)

( 0.0761 , 0.3239)

b) the margin of error for a 95% confidence interval for the population proportion.

For the 95% confidence interval ∝= 0.05 and zₐ = 1.96≅2.

Margin of error = \frac{2\sqrt{pq} }{\sqrt{n} }

Margin of error = \frac{2\sqrt{0.2X0.8} }{\sqrt{40} }

Margin of error for a 95% confidence interval for the population proportion.

Margin of error  =  0.1264.

4 0
2 years ago
A pizzeria charges $8 for a large cheese pizza, plus $2 for each topping. The total cost for a large pizza is given by the equat
Leni [432]
Slope is the rise and run of a point on the graph to the other 
the y intercept is where a line crosses the y axis for example, (0,5) so 5 is the y intercept

(0,8), (1,10), (2, 12), (3, 14), (4, 16), (5, 18)
7 0
2 years ago
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What is the greatest common factor GCF of 30,66. 84​
Anon25 [30]

Answer:

6

Step-by-step explanation:

Factorize of the above numbers :

30 = 2 • 3 • 5

66 = 2 • 3 • 11

84 = 22 • 3 • 7

Build a prime factors table

Number of times each prime factor

appears in the factorization of :

Prime

Factor Number

30 Number

66 Number

84 G.C.F

(min)

2 1 1 2 1

3 1 1 1 1

5 1 0 0 0

7 0 0 1 0

11 0 1 0 0

GCF = 2 • 3

Greatest Common Factor is :

6

8 0
2 years ago
A projectile is shot into the air following the path, h(t) = -3t2 + 12t - 5. At what time, value of t, will it reach a maximum h
slava [35]

Answer:

You can find the answer by using the formula t=-b/2a

Step-by-step explanation:

Remember the maximum height will be at the vertex. The x value of the vertex is your time, so use x=-b/2a except that t is your x. Then if it had also asked what the height was, you would plug that answer into your equation to find the y value of the vertex. Pretty sure your teacher is just asking you to find the x though:)

3 0
2 years ago
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