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LenaWriter [7]
3 years ago
12

I need help with the the answer please, i don’t know it

Mathematics
1 answer:
geniusboy [140]3 years ago
5 0
When you multiply 6 by 600 it equals 3,600 
6x600=3,600
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A television network is deciding whether or not to give its newest television show a spot during prime viewing time at night. If
Alinara [238K]

Answer:

Test statistic  z= 1.708

Step-by-step explanation:

given that a  television network is deciding whether or not to give its newest television show a spot during prime viewing time at night. If this is to happen, it will have to move one of its most viewed shows to another slot.

Sample size n = 827

Sample proportion p = \frac{438}{827} \\=0.5297

H_0: p =0.5\\H_a: p >0.5

(right tailed test)

This is because they would be interested if more than half viewers are ready for the change

Test statistic = Z = p difference/std error

p difference = 0.0297

Std error =\sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.5*0.5}{827} } \\=0.0174

Z =1.708

p valu e= 0.9562

Since p >0.05 we fail to reject H0

Test statistic  z= 1.708

8 0
3 years ago
Find the mode.<br> 19, 21, 18, 17, 18, 22, 46<br> I will give brainliest
Vedmedyk [2.9K]

Answer:

Hello! answer: 18

Step-by-step explanation:

The mode is just the number that is showed the most in a data set. Since 18 is showed the most 18 is the answer Hope that helps!

3 0
2 years ago
Read 2 more answers
Complete the square to find<br> the vertex of this parabola.<br> x2 - 8x - y - 4 = 0<br> ([?], [ ]
konstantin123 [22]

Answer:

-20

Step-by-step explanation:

Complete the square to find the vertex of this parablola x^2-8x-y-4=0   {the second one of -20; so 4,-20}

7 0
2 years ago
Please help ill mark brainliest and add explanation too pleas
andriy [413]

Step-by-step explanation:

In A,

length=3units

width=2 units

area=length×width

area=3×2 sq.units

area=6 sq.units

In B,

length=1unit

width=4units

area=length × width

area=1unit × 4units

area= 4 sq.units

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5 0
2 years ago
Don’t understand please help
Evgen [1.6K]

Answer:

1a) length = 4.5x - 18, or 3.5x - 14. width = 2x-2 (make sure you write the expression)

b) perimeter = 13x-40  (make sure you write the expression)

c) x = 14

Step-by-step explanation:

1a) to find the length, we need to add all the terms that make up the length. the terms are 2x-10 , x-2 , 1/2x-4 , and x-2

now let's add the terms

2x - 10 + x - 2 + 0.5x - 4 + x - 2 = 4.5x - 18

you can also find the length of the other opposite side, but it will equal the same thing we just got so it isn't necessary, but it's 3.5x - 4 (do the same thing we did previously)

the width is made up of two terms, x - 2 and x.

now let's add the two terms

x - 2 + x = 2x - 2

1b)

the perimeter of a rectangle is  twice the width plus twice the length

P rectangle = 2L + 2W

so we substitute our answers from 1a

P rectangle = 2(4.5x-18) + 2(2x-2) . remember you are multiplying the entire expression by 2! which is why we need parenthesis.

simplify the equation to get P rectangle = 13x - 40

remember to write the answer as just 13x-40, since it's an expression

1c)

we use 13x-40 from 1b to answer this

142ft = 13x - 40

x = 14

extra:

you can find x just by knowing the lengths. since the lengths are 4.5x - 18 and 3.5x -4, just set them equal to find x, because lengths of a rectangle are equal

4.5x - 18 = 3.5x -4

x = 14

7 0
3 years ago
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