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2 years ago

15

The medium pizza is 12 inch what the circumference plz help

1 answer:

Assoli18 [71]2 years ago

8 0

Answer:

37.7

Step-by-step explanation:

ig

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What is the discriminant of 9х2 + 2 = 10x?

vredina [299]

$\bf 9x^2+2=10x\implies 9x^2-10x+2=0 \\\\[-0.35em] ~\dotfill\\\\ \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ \stackrel{\stackrel{a}{\downarrow }}{9}x^2\stackrel{\stackrel{b}{\downarrow }}{-10}x\stackrel{\stackrel{c}{\downarrow }}{+2}=0 ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}= \begin{cases} 0&\textit{one solution}\\ positive&\textit{two solutions}~~\checkmark\\ negative&\textit{no solution} \end{cases} \\\\\\ (-10)^2-4(9)(2)\implies 100-72\implies 28$

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3 years ago

What is the measure of the missing angle?

choli [55]

Answer:

<u><em>85 degrees</em></u>

Step-by-step explanation:

A triangle's angles must add up to 180 degrees.

50 + 45 = 95

180 - 95 = 85

x = 85

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3 years ago

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A driver descended to a depth of -65 feet in 5 minutes. If she descended at the same rate each minute, what’s the rate?

Sidana [21]

This is an easy one.

65/5= 13.

Therefore, she descended 13 feet per minute.

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3 years ago

What basic trigonometric identity would you use to verify that sinx cosx tanx=1-cos^2x

andre [41]

Answer:

$sin^2x+cos^2x=1$ is used to prove the given equation.

Step-by-step explanation:

We have given an equation:

$sinx\cdot cosx\cdot tanx=1-cos^2x$

We will consider right hand side first

tan x can be written as:

$tanx=\frac{sinx}{cosx}$

So, on substituting tan x in the left hand side of the given equation we get:

$sinx\cdot cosx\cdot \frac{sinx}{cosx}$

Cancel common term from denominator and numerator which is cosx we get

$sin^2x$

And we have an identity:

$sin^2x+cos^2x=1$

$\Rightarrow sin^2x=1-cos^2x$

Hence, right hand side is equal to $sin^2x$ .

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3 years ago

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What is t? <br> 5t - 11 = 99

Gwar [14]

Answer:

22

Step-by-step explanation:

5t=99+11

5t=110

divide both side by 5 to find the value of t

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2 years ago