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3 years ago

What is 1/4 of 20? what is an equivalent fraction to 1/2?

Mathematics

1 answer:

Vinvika [58]3 years ago

3 0

1/4 of 20 is 5.. and 5/10, 3/6, 2/4, 6/12 are all equal to 1/2

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53x – 4 = 30<br> O 10/3<br> O 40/3<br> 40<br> 10

Alekssandra [29.7K]

Answer:

53x - 4 = 30

53x = 30 +4

53x = 34

x= 34/53

I don't see a answer that matches the answer to the problem that you stated. Check problem.

Step-by-step explanation:

5 0

3 years ago

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A construction company is strung up signs on 4 mile of the road.. if the company places a sign every 1/8 of a mile, how many sig

koban [17]

"A construction company is stringing up signs ... "

Divide 4 miles by 1/8 mile:

4 miles

--------------------------- = 32 signs are needed

(1/8) mile per sign

6 0

3 years ago

If the length, width, and height of a cube all change by a factor of eleven, what happens to the volume of the cube?

Vilka [71]

The volume of the new squad would be the volume of the original square times 11^2 which is 121

3 0

3 years ago

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What 2 numbers add up to get 17 and multiply to get -308??

Rufina [12.5K]

A) x + y = 17
B) x * y = -308

B) y = -308 / x Substituting this into A)
A) x -308 / x = 17
A) x^2 -308 = 17x
A) x^2 -17x -308 = 0
x = 28
y = -11

5 0

4 years ago

Rounded to the nearest hundredth, what is the positive solution to the quadratic equation 0 = 2x2 + 3x – 8? Quadratic formula: x

OleMash [197]

ANSWER

$x=1.39$ to the nearest hundredth.

EXPLANATION

We have the equation,

$0=2x^2+3x-8$

Which can be rewritten as

$2x^2+3x-8=0$

The question demands the use of the quadratic formula.

Comparing this to the general quadratic equation;

$ax^2+bx+c=0$

$a=2,b=3,c=-8$

The quadratic formula is given by;

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

We now substitute all the values in to the formula;

$x=\frac{-3\pm\sqrt{(3)^2-4(2)(-8)}}{2(2)}$

We simplify to obtain;

$x=\frac{-3\pm\sqrt{9+64}}{4}$

$x=\frac{-3\pm\sqrt{73}}{4}$

We now split the plus or minus sign to obtain;

$x=\frac{-3-\sqrt{73}}{4}$

This implies that;

$x=-2.89$

$x=\frac{-3+\sqrt{73}}{4}$

This will evaluate to;

$x=1.39$

Hence, the positive solution rounded to the nearest hundredth is

$x \approx 1.39$

6 0

4 years ago

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