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3 years ago

Which number is a solution of the inequality 13.4 < b A. 17 B. 8 C. 10 D. 1

Mathematics

1 answer:

nataly862011 [7]3 years ago

7 0

Answer:

the answer is A: 17, others are all < 13.4

Step-by-step explanation:

only: 17 > 13.4, others are all < 13.4

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At 82°F, a certain insect chirps at a rate of 61 times per minute, and at 91°F, they chirp 124 times per minute. Write an equati

Ganezh [65]

Answer:

$y=7x-513$

Step-by-step explanation:

Let

x----> the temperature in degrees Fahrenheit

y ---->insect chirping rate in times per minute

we have the ordered pairs

(82,61) and (91,124)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{124-61}{91-82}$

$m=\frac{63}{9}=7$

step 2

Find the equation of the line

we know that

The equation in slope intercept form is equal to

$y=mx+b$

where

m is the slope

b is the y-intercept

we have

$m=7$ ---> the units are chirps per minute/degree F

take the point (82,61)

substitute and solve for b

$61=7(82)+b$

$61=574+b$

$b=-513$

substitute

$y=7x-513$

4 0

3 years ago

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mote1985 [20]

Answer:

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5 0

3 years ago

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scoray [572]

The correct answer is B

4 0

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mr Goodwill [35]

Answer:

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Step-by-step explanation:

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7 0

3 years ago

64 is 66 2/3 of what number?,

Citrus2011 [14]

$64=(66+2/3)x
 \\ 
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3 years ago

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