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3 years ago

PLEASE ANSWER ASAP WORTH 45+ POINTS. FIRST TO ANSWER GETS BRAINLIEST

Mathematics

2 answers:

tatuchka [14]3 years ago

8 0

Answer:

-1 moves the graph down one.

-2 flips the function over the x-axis and causes a vertical stretch by a factor of 2.

Aleks [24]3 years ago

8 0

Answer:

-2:

Stretch parallel to y-axis, with factor 2

Reflection in the x-axis

-1:

Translation. 1 unit downwards

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A pitcher could hold 2/12 of a gallon of water. If Roger filled up 9 pitchers, how much water would he have?

VashaNatasha [74]

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Read 2 more answers

Factor completely 4u^2-28u+49

aleksandrvk [35]

Assignment: $\bold{Factor \ 4u^2-28u+49}$

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Answer: $\boxed{\bold{\left(2u-7\right)^2}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Rewrite $\bold{4u^2-28u+49}$

$\bold{\left(2u\right)^2-2\cdot \:2u\cdot \:7+7^2}$

[ Step Two ] Apply perfect square formula

Note: Perfect Square Formula: $\bold{\left(a-b\right)^2=a^2-2ab+b^2}$

$\bold{a=2u,\:b=7}$

$\bold{\left(2u-7\right)^2}$

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3 years ago

A recent survey found that 7575% of all adults over 50 wear glasses for driving. In a random sample of 4040 adults over 50, wh

malfutka [58]

Answer:

Mean = 30

standard Deviation = 2.74

Step-by-step explanation:

Formula

mean = np

Standard Deviation = $\sqrt{npq}$

from the question = 40

P = 75% or 0.75

q = 1 - p = 1 - 75% or 1 - 0.75

To find mean

mean = 40 x 0.75

= 30

For Standard Deviation (SD)

Standard Deviation = $\sqrt{npq}$

= $\sqrt{40 X 0.75 X 0.25$

= $\sqrt{7.5}$

:. Standard Deviation = 2.74

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3 years ago

Whats the answer? please reply quickly.

evablogger [386]

Answer:

2 1/3 cups of flour for every dozen muffins

Step-by-step explanation:

1 1/2 dozen muffins equals 3 1/2 cups of flour which is also the same as 7/2 cups of flour. I know that (3) 1/2 dozen equals 1 1/2 dozen so I divided 7/2 by 3 which is 1 1/6 to get how much flour for 1/2 dozen then multiplied it by 2 to get how much flour in a dozen = 2 2/6 which simplified is 2 1/3.

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3 years ago