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2 years ago

5. Complete the following statement. Write your answer as a decimal or

Mathematics

1 answer:

Finger [1]2 years ago

6 0

Answer:

20% or . 2

Step-by-step explanation:

To understand how to solve, you have to understand that 14 can go into 70 (X) amount of times, this is how percentages work. To find how many times 14 goes into 70, you divide 14/70 = .20

Since 14 is 20% of 70, you can multiply 14 by 5 and it equals a 100% of 70, or just 70 itself. Hope this helped

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Point B is halfway between A and C. The distance from C to D is the same as the distance from D to E, which is the same as the d

jek_recluse [69]

Answer:

Step-by-step explanation:

area of triangle ACF is (1/2) (AC) (CF) = 180

area of triangle BCE = (1/2) (BC) (CE)

BC = AC/2

CE=(2/3) CF

so (1/2) (BC) (CE) = (1/2) (AC/2) (2/3)CF = (1/2)(2/3)(180) = 60 sq cm

8 0

3 years ago

Which choice is equivalent to the expression √20 + √80

salantis [7]

Answer:

13.41

Step-by-step explanation:

Hope it helps!

7 0

3 years ago

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To reduce 16 ounces of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?

yan [13]

Answer:

24 ounces

Step-by-step explanation:

Here's a more intuitive approach to use here.

You know that your initial solution has a percent concentration, presumably volume by volume, of

. This means that any volume of this solution contains

part solute and

parts solvent.

The target solution must have a concentration of

, which means that any volume of this solution will contain

part of solute and

parts solvent.

Your starting solution has a volume of

ounces, or

parts, each with a volume of

ounces.

In order to get to a solution that has a total of

parts, you must add

parts of solvent to the initial solution. Since we know that

1 part

4 ounces

it follows that you must add

parts

⋅

4 ounces

part solvent

24 ounces

of distilled water, which is your solvent, to the initial solution.

The target solution will contain

part solute and

parts distilled water for a total of

parts of solution, and hence have a percent concentration of

7 0

3 years ago

Penelope and george go trick or treating. Penelope gets 152 pieces of candy. George gets 124 pieces of candy. Penelope eats 5 pe

kakasveta [241]

Answer:

In 28 days George have the same amount of candy as Penelope.

Step-by-step explanation:

Given:

Penelope has 152 pieces of candy.

George has 124 pieces of candy.

Penelope eats 5 pieces each day.

George eats 4 pieces each day.

To find in how many days will George have the same amount of candy as Penelope.

Solution:

Let the number of days in which George have the same amount of candy as Penelope be = $x$

Using unitary method.

If Penelope eat 5 pieces of candy in 1 day.

In $x$ days, he will eat = $5x$ candies

Thus, after $x$ days number of candies left with Penelope = $152-5x$

If George eat 4 pieces of candy in 1 day.

In $x$ days, he will eat = $4x$ candies

Thus, after $x$ days number of candies left with George = $124-4x$

Since, in $x$ days George have the same amount of candy as Penelope, so we have:

$124-4x=152-5x$

Solving for $x$

Adding $5x$ both sides.

$124-4x+5x=152-5x+5x$

$124+x=152$

Subtracting 124 both sides.

$124-124+x=152-124$

∴ $x=28$

Thus, in 28 days George have the same amount of candy as Penelope.

7 0

4 years ago

ILL GIVE BRAINLIEST AND EVERYTHING ELSEEE HELP

Elenna [48]

Answer:

3x+18

Step-by-step explanation:

multiply it out to get 3x+18

8 0

3 years ago

Read 2 more answers