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3 years ago

What is the answer to this question?

Mathematics

1 answer:

inessss [21]3 years ago

3 0

Answer:

4x^2-7x+3

Step-by-step explanation:

(4x-3)(x-1)

4x^2-4x-3x+3

4x^2-7x+3

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For a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is need

jasenka [17]

Diameter is 2.36 cm.

Given:
Circumference = 7.38 cm

Circumference of a circle is computed by multiplying 2, pi, and its radius.

C = 2πr

7.38 = 2 (3.14) r
7.38 = 6.28r
7.38/6.28 = 6.28r/6.28
1.18 = radius

Diameter = 2r
Diameter = 2(1.18)
Diameter = 2.36 cm

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3 years ago

Read 2 more answers

Is my answer correct?

scZoUnD [109]

Answer:

yes $56 is correct

Step-by-step explanation:

The 3 part of the ratio relates to $42 , then

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4 parts = 4 × $14 = $56

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3 years ago

Sound City sells the ClearTone-400 satellite car radio. For this radio, historical sales records over the last 100 weeks show 4

Ksivusya [100]

Answer:

See below

Step-by-step explanation:

$\bf \mu(x)$ is the average

$\bf \mu(x)=\frac{4*0+33*1+39*2+12*3+8*4+4*5}{100}=\frac{199}{100}=1.99\;radios/week$

$\bf \sigma^2(x)$ is the variance

$\bf \sigma^2(x)=\frac{4*(0-1.99)^2+33*(1-1.99)^2+39*(2-1.99)^2+12*(3-1.99)^2+8*(4-1.99)^2+4*(5-1.99)^2}{100}=\frac{128.99}{100}=1.2899$

$\bf \sigma(x)$ is the standard deviation

$\bf \sigma(x)=\sqrt{variance}$

$\bf \sigma(x)=\sqrt{1.2899}=1.1357\;radios/week$

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4 years ago

Find the values of x and y. Leave answers in simplest radical form.<br>

NNADVOKAT [17]

$\sin(60°) = \frac{x}{14} \Leftrightarrow x = 14 \sin(60°) = \frac{14 \sqrt{3} }{2} = 7 \sqrt{3} \\ \cos(60°) = \frac{y}{14} \Leftrightarrow y = 14\cos(60°) = \frac{14}{2} = 7$

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3 years ago

Find the balance in an $800 compound interest account at 6% for 9 years!

Ivenika [448]

The answer is 1,351.58 if you input all the info on a compound interest calculator it'll give you this number. the answer is C

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