3 years ago

The graphs below have the same shape. What is the equation of the blue graph?

Mathematics

1 answer:

andrey2020 [161]3 years ago

8 0

The answer is D of the equation

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If the variance is 81 grams, what is the standard deviation four times?

Svetlanka [38]

Answer:

102

Step-by-step explanation:

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3 years ago

Amy received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.24 per pound. After buying the c

SVEN [57.7K]

Answer:

5 pounds

Step-by-step explanation:

Given that:

Amount of gift card = $80

Cost of coffee per pound = $8.24

Amount left in the card = $38.80

To find:

Number of pounds of coffee bought = ?

Solution:

Let the number of pounds of the coffee bought = $x$ pounds

Cost of 1 pound = $8.24

Cost of $x$ pounds = $8.24 $\times x$

Writing the equation as per question statement:

$80 - 8.24x = 38.80\\\Rightarrow 80 - 38.80 = 8.24x\\\Rightarrow 8.24x = 41.2\\\Rightarrow x = \dfrac{41.2}{8.24}\\\Rightarrow \bold{x = 5\ pounds}$

Therefore, 5 pounds of coffee was bought.

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3 years ago

The mountain climber descended 437.85 feet every hour. What is the change in the climber's elevation after 6 hours?

bogdanovich [222]

The answer should probably be 2627.1 feet

Hope this helps!

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8x-16/x^2-13x+22 please help me I really need it

sasho [114]

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Find the x-intercept and y-intercept of 5x 8y=80

maksim [4K]

X= -8/5y+16
y= -5/8x+10

you didnt say if the equation was "5x+8y=80" not sure if your adding or subtracting or adding but if your adding then this is correct :)

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