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3 years ago

Write an inequality for the statement the temperature is greater than 100°F

Mathematics

1 answer:

ryzh [129]3 years ago

4 0

Tenperature greater than 100 oF
T > 100 oF

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If f(x)=5(x-3)+4 what is the value of f(2)?

algol13

Answer:

-1

Step-by-step explanation:

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3 years ago

Does anyone do pltw?

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4 years ago

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I need help with these two

djyliett [7]

Answer:

Part 1) Slope-intercept form

Part 2) The slope of 2.20 tells me the rate per mile and the y-intercept of 2.50 tells me the flat fee

Step-by-step explanation:

Part 1) we know that

The linear equation in slope intercept form is equal to

$y=mx+b$

where

m is the slope or unit rate

b is the y-intercept or initial value

In this problem we have

$y=2.50+2.20x$

This is a linear equation in slope intercept form

where

$m=2.20$

$b=2.50$

Part 2) we have that

x -----> represent the number of miles

y ----> represent the total charge in dollars

The slope is

$m=\$2.20\ per\ mile$ ---> unit rate

The y-intercept is

$b=\$2.50$ ----> initial value or flat fee

therefore

The slope of 2.20 tells me the rate per mile and the y-intercept of 2.50 tells me the flat fee

4 0

4 years ago

Find approximate solution for the equation in the interval 0<_ x <_ pi. round to three decimal places. tanx=5 sin x

timofeeve [1]

Answer:

d. 0, 1.369

Step-by-step explanation:

Given:

The equation is: $\tan x =5\sin x................(0\leq x\leq \pi)$

Adding $-5\sin x$ on both sides, we get

$\tan x - 5\sin x=0$

Using the identity $\tan x=\frac{\sin x}{\cos x}$ , we get

$\frac{\sin x}{\cos x}-5\sin x=0$

Factoring out $\sin x$ , we get

$\sin x(\frac{1}{\cos x}-5)=0\\\\\therefore \sin x=0\ or\ \frac{1}{\cos x}-5=0\\\\x=\sin^{-1} (0)\ or\ \cos x=\frac{1}{5}\\\\x=0\ or\ x=\cos^{-1} (\frac{1}{5})\\\\x=0\ or\ x=1.3694\approx 1.369(\textrm{Round to 3 decimal places})$

Therefore, the solution of the given equation is either 0 or 1.369.

The correct choice is d.

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3 years ago

Two parallel lines are crossed by a transversal what is the value of b?

Scrat [10]

180degree should be the value of B

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3 years ago

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