3 years ago

A teacher spends

Mathematics

1 answer:

frez [133]3 years ago

7 0

Answer:0

Step-by-step explanation:

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A 10 pound bag of grapes costs $14.00. How much is it for 1 pound of grapes?

patriot [66]

Answer:

1.40

Step-by-step explanation:

I feel if you divide $14.00 by 10 you would get 1.40, so I say this should be the right answer.

I apologize if I am incorrect.

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Which of the following parallelograms is NOT similar to the others? A B C D

labwork [276]

the answer is D

Step-by-step explanation:

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Solve x^2 +14x=15 by completing the square

ivanzaharov [21]

Answer:

x = -15 and x = 1

Step-by-step explanation:

Since we have to use the complete the square method, we first need to rewrite the equation in the form $x^{2}+2ax+a^{2}=(x+a)^{2}$ .

This results in $x^{2} + 14x + 7^{2} = 15 + 7^{2}$ .

Next, we simplify the equation to get $x^{2} +14x+7^{2} = 64$ .

Factoring the left side gives us $(x+7)^{2} = 64$ .

Finally we solve the equations: $x+7=\sqrt{64}$ and $x+7=-\sqrt{64}$ .

This gives us x=1, and x=-15

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3 years ago

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Find the mean and median of these data: 2, 5, 9, 11, 17, 19.

Harrizon [31]

data: 2, 5, 9, 11, 17, 19

median is the middle number
median = (9+11)/2 = 10

mean = average
mean = (2 + 5 + 9 + 11+ 17 + 19)/6
mean = 63/6
mean = 10.5

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3 years ago

Does anybody know how to do this

Nitella [24]

Answer: B

Reason: Plugged it in in my Desmos app, it's free on the appstore and helps you solve for graphs !

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