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3 years ago

2 tenths is equal to____ fifths

2 answers:

5 0

To solve this, it is easiest to set up a proportion, letting x represent the number that we don't know.

2/10 = x/5

Now, we can use cross products to simplify this proportion. Cross products sets the products of the numerator and denominator of separate fractions equal to one another. It results in the equation:

(5)(2) = (10)(x)

Let's multiply out these numbers to further simplify the equation.

10 = 10x

Finally, we have to divide both sides by 10, to get our variable x alone

x = 1

Therefore, 2 tenths is equal to 1 fifth.

AveGali [126]3 years ago

3 0

Its 4 because if you draw a pie and give it 5 pieces and cut all those pieses in half. then color in 2 more pieses which is 4

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Pavel [41]

Answer:

B. 6 × 3 = 18

Step-by-step explanation:

18 ÷ ? = 6

18 ÷ 6 = ?

3 = ?

So 18 ÷ 3 = 6 and 6 × 3 = 18

4 0

3 years ago

Which of the following graphs is described by the function below ?

const2013 [10]

Answer:

The point of interception of the graph and x axis are -2.366 and -0.634.

The only graph that satisfy this conditions is Graph A

Step-by-step explanation:

Given the equation;

$y = 2x^2 + 6x + 3\\$

at y = 0

$2x^2 + 6x + 3=0\\$

the roots of the quadratic equation (at y =0) can be calculated using the quadratic formula;

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

Using the quadratic equation to solve for the roots;

$x = \frac{-6\pm \sqrt{6^2 -4*2*3}}{2*2}\\x = \frac{-6\pm \sqrt{36 - 24}}{4}\\x = \frac{-6\pm \sqrt{12}}{4}\\so, we have \\x = -2.366\\or\\x = -0.634\\$

Therefore, the point of interception of the graph and x axis are -2.366 and -0.634.

The only graph that satisfy this conditions is Graph A

4 0

4 years ago

How does changing the dimensions affect the area of a rectangle

natta225 [31]

Answer:Even when the dimensions aren't being squared in an area formula, they might be multiplied together, so a change in one dimension can have a significant effect on the area. For example, the area for a rectangle may be calculated using A = LW, where the length L is multiplied by the width W.

6 0

3 years ago

(Will give brainliest help asap pls)

DanielleElmas [232]

D because 5.50 is x and your y so boom D

6 0

2 years ago

A fair dice is rolled 3 times in a row. The outcomes are shown below.

maks197457 [2]

Answer:

1/3

Step-by-step explanation:

I think this is 1/3 because it is a ratio of successful outcomes to total number of outcomes..

Ex. Rolling a 6 sided dice.. you roll a 5... it would be 1/6.

Hope that makes sense.

8 0

3 years ago