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3 years ago

1 gallon weighs 8.34 pounds, how many ounces per gallon is the water

Mathematics

1 answer:

alexandr1967 [171]3 years ago

4 0

There are 128 US fluid ounces in a gallon

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Ellen bought 18 boxes of paper clips. Each box had 150 paper clips. How many paper clips did Ellen buy

r-ruslan [8.4K]

Answer:

Ellen bought 2700 paper clips.

Step-by-step explanation:

Total boxes=18

Paper Clips in 1 box=150

Total paper clips=18×150

=2700

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2 years ago

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Suppose a football team played 4 games and there were no ties. Which of the following would be a compound event? Explain!!

Tresset [83]

I would say D as it's the only different one

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2 years ago

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Select the two values of x that are roots of this equation.<br> 2x^2+ 1 = 5x

iren [92.7K]

Answer:

$\frac{5+\sqrt{17}}{4}$ , $\frac{5-\sqrt{17}}{4}$

Step-by-step explanation:

One is asked to find the root of the following equation:

$2x^2+1=5x$

Manipulate the equation such that it conforms to the standard form of a quadratic equation. The standard quadratic equation in the general format is as follows:

$ax^2+bx+c=0$

Change the given equation using inverse operations,

$2x^2+1=5x$

$2x^2-5x+1=0$

The quadratic formula is a method that can be used to find the roots of a quadratic equation. Graphically speaking, the roots of a quadratic equation are where the graph of the quadratic equation intersects the x-axis. The quadratic formula uses the coefficients of the terms in the quadratic equation to find the values at which the graph of the equation intersects the x-axis. The quadratic formula, in the general format, is as follows:

$\frac{-b(+-)\sqrt{b^2-4ac}}{2a}$

Please note that the terms used in the general equation of the quadratic formula correspond to the coefficients of the terms in the general format of the quadratic equation. Substitute the coefficients of the terms in the given problem into the quadratic formula,

$\frac{-b(+-)\sqrt{b^2-4ac}}{2a}$

$\frac{-(-5)(+-)\sqrt{(-5)^2-4(2)(1)}}{2(2)}$

Simplify,

$\frac{-(-5)(+-)\sqrt{(-5)^2-4(2)(1)}}{2(2)}$

$\frac{5(+-)\sqrt{25-8}}{4}$

$\frac{5(+-)\sqrt{17}}{4}$

Rewrite,

$\frac{5(+-)\sqrt{17}}{4}$

$\frac{5+\sqrt{17}}{4}$ , $\frac{5-\sqrt{17}}{4}$

8 0

3 years ago

Help me please thanks

o-na [289]

Answer:

3<4x2=4-5

Step-by-step explanation:

8 0

3 years ago

Solve for the variable: 12 = 5x = 7

IrinaVladis [17]

Hello from MrBillDoesMath!

Answer: x = 1

Discussion :

Per the author, the equation to solve is 12 = 5x + 7

Isolate the "x" variable by subtracting 7 from both sides of the equation:

12 = 5x + 7

-7 = -7

---------------------

12-7 = 5x + 0

5 = 5x

Dividing both sides by 5 gives x - 1

Regards, MrB

6 0

3 years ago