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3 years ago

John bought candy for $4.50 per pound.He spent a total of $36.00.How many pounds of candy did he buy?

Mathematics

1 answer:

ExtremeBDS [4]3 years ago

3 0

Answer:

8 pounds. 36/4.5 is 8 so that's the answer

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Will give brainliest, please help fast

Gekata [30.6K]

Answer:

Converting the equation $x^2-20x+13=0$ into completing the square method we get: $\mathbf{(x-10)^2=87}$

Step-by-step explanation:

we are given quadratic equation: $x^2-20x+13=0$

And we need to convert it into completing the square method.

Completing the square method is of form: $a^2-2ab+b^2=(a-b)^2$

Looking at the given equation $x^2-20x+13=0$

We have a = x

then we have middle term 20x that can be written in form of 2ab So, we have a=x and b=? Multiplying 10 with 2 we get 20 so, we can say that b = 20

So, 20x in form of 2ab can be written as: 2(x)(10)

So, we need to add and subtract (10)^2 on both sides

$x^2-20x+13=0\\x^2-2(x)(10)+(10)^2-(10)^2+13=0\\(x^2-2(x)(10)+(10)^2) \:can\: be\: written\: as\: (x-10)^2 \\(x-10)^2-100+13=0\\(x-10)^2-87=0\\(x-10)^2=87$

So, converting the equation $x^2-20x+13=0$ into completing the square method we get: $\mathbf{(x-10)^2=87}$

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2 years ago

Simplify <br> (2-4i) -(3 -6i)

SashulF [63]

$2 - 4i - 3 + 6i = - 1 + 2i$

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1 year ago

4. A football player forces at least 1 turnover in 27.5 percent of the games he plays. If the player plays in 57 games, in how m

Ostrovityanka [42]

The correct answer is 88

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3 years ago

The speed limit sign on the freeway said 110 kilometers per hour, but the speedometer on Cesar's car is calibrated in miles per

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Answer:

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Step-by-step explanation:

Speed limit = 110 kilometers per hour

1 kilometer = 0.62 miles

110 kilometers = x miles

Cross product

1*x = 0.62*110

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Cesar should drive at 68.2 miles per hour to avoid a speeding ticket

110 kilometers per hour = 68.2 miles per hour

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2 years ago

What are the zeros of f(x) = x2 + 3x - 10?

Zielflug [23.3K]

Answer:

(x+5) (x-2)

SO -5 and 2 option A

Step-by-step explanation:

factor it. and set equal to zero.

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2 years ago