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Kazeer [188]
2 years ago
6

Annette wants to find out which of two toothpaste brands people living in the town of Springville prefer, brand A or brand B. Sh

e uses a random sample to make this generalization: 60% of the population of Springville prefers brand A over brand B. For which random sample would this generalization be valid?
Mathematics
1 answer:
MakcuM [25]2 years ago
3 0

Answer:

B

Step-by-step explanation:

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Peter needs 20 meters of wood for his backyard. The nursery only sells
Kisachek [45]

Answer:

A

Step-by-step explanation: 20 x 3.28 is 65.6 round it up its 66

8 0
3 years ago
I just need this one box.
Darya [45]

Answer:

i would help if i no it

Step-by-step explanation:

3 0
2 years ago
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Solve each of these equations. Explain or show your reasoning. 2(3x+2)=2x+28 5y+13=-43−3y 4(2a+2)=8(2−3a)
dalvyx [7]

Answer:

x = 6

y = 7

a = 1/4

Step-by-step explanation:

Equation 1:

2(3x+2) = 2x + 28

6x + 4 = 2x + 28

4x = 24

x = 6

Equation 2:

5y+13 = -43-3y

8y = -56

y = -7

Equation 3:

8a + 8 = 16 - 24a

32a = 8

a = 1/4

7 0
2 years ago
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A rectangular stained glass window is 2 feet by 4 feet. A clear glass border is constructed around the stained glass window. the
sp2606 [1]

Answer:

The answer is the option A

0.5\ ft

Step-by-step explanation:

Let

x-------> the width of the border

we know that

The total area of the window plus the border is equal to

A=2*4+7=15\ ft^{2}

(2+2x)(4+2x)=15\\2*4+2*2x+2x*4+2x*2x=15\\8+4x+8x+4x^{2}=15\\4 x^{2}+12x-7=0

Using a graphing tool -----> to resolve the quadratic equation

see the attached figure

The solution is

x=0.5\ ft

6 0
3 years ago
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A:180<br> B:30<br> C:170<br> D:25
tekilochka [14]

Answer:

The answer is B. Hope this helps!

Step-by-step explanation:

105 degrees is from a b to d and a b to c is 75 and 105 - 75 =30.

7 0
2 years ago
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