3 years ago

Find the slope and y-intercept of y=2/5x+5

Mathematics

1 answer:

velikii [3]3 years ago

4 0

slope = -2/5

y-intercept = 5

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Two angles with measurements (5x+7) and (15x-7) are supplementary. what’s the value of x

Vera_Pavlovna [14]

They add up to 180 degrees.

5x+7+15x-7=180

20x=180

x=9

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3 years ago

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postnew [5]

Answer:

m1=51

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Step-by-step explanation:

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3 years ago

Why is 21/100 greater than 1/5

storchak [24]

Because 21 is more than 1

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3 years ago

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The label on the car's antifreeze container claims to protect the car between −30°C and 130°C. To convert Celsius temperature to

Sveta_85 [38]

we know that

$C = \frac{5}{9}(F-32)\\ \\F=\frac{9}{5}C+32$

Step $1$

Find the inequality

we know that

$C = \frac{5}{9}(F-32)$ --------> equation $1$

and

$-30\° < C < 130\°$

substitute the equation $1$ in the inequality

$-30\° < \frac{5}{9}(F-32) < 130\°$

Step $2$

Convert $-30\°C$ to F

substitute in the formula

$F=\frac{9}{5}*(-30)+32\\ \\F= -22\°$

Step $3$

Convert $130\°C$ to F

substitute in the formula

$F=\frac{9}{5}*(130)+32\\ \\F= 266\°$

therefore

$-22\° < F < 266\°$

the answer is the option

B. −30 < 5 over 9 (F − 32) < 130; −22 < F < 266

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3 years ago

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SIZIF [17.4K]

The answer is 39 if rounded it is 40

7 0

4 years ago