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Romashka-Z-Leto [24]
4 years ago
6

Please help solve this

Mathematics
2 answers:
notsponge [240]4 years ago
5 0

Answer:

1/6

Step-by-step explanation:

so what you want to do first to create a common denominator:

1. multiply 2/3 by 2 to get a denominator of 6

2. Now you have 4/6, to solve for x you subtract 4/6 from the total

\frac{5}{6} - \frac{4}{6} = \frac{1}{6}

thats how you get your answer!

Hope this helped :)

kirill [66]4 years ago
4 0

Answer:

x=1/6

Step-by-step explanation:

So, let's subtract \frac{2}{3} from both sides, which would mean

x=\frac{5}{6}-\frac{2}{3}

now, let's make denominators (lower part of the ratios) the same.

x=\frac{5}{6}-\frac{4}{6}=\frac{1}{6}

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Solve: a/3= 5<br><br> what is a?
svp [43]

Answer:

a = 15

Step-by-step explanation:

This is your given:

       \frac{a}{3} = 5

You are going to want to get a alone to get what a equals.

\frac{a}{3} = 5

a = 5x3  Multiply 3 on both sides to get the a alone

a = 15

7 0
3 years ago
Read 2 more answers
How do i work this out?
Karo-lina-s [1.5K]

She has 45% of the original amount left

<h3>Ratio and proportions</h3>

Fractions are written as a ratio of two integers

Given the following

Initial amount. = ∈4000


Amount given to her sister = 1/4 * 4000 = 1000

Amount given to her brother = 40% of 3000 = 1200

Amount left = 4000 - (1000+1200)

Amount left = ∈1800

Determine the percentage left

x * 4000 = 1800

x = 1800/4000

x = 0.45

x = 45%

Hence she has 45% of the original amount left

Learn more proportion here: brainly.com/question/19994681

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5 0
2 years ago
Simplify (2x-2y)(2y + 8)
Rasek [7]

Answer:

=4xy−4y2+16x−16y

Step-by-step explanation:

(2x−2y)(2y+8)

=(2x+−2y)(2y+8)

=(2x)(2y)+(2x)(8)+(−2y)(2y)+(−2y)(8)

=4xy+16x−4y2−16y

=4xy−4y2+16x−16y

6 0
2 years ago
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The length, width and height of a rectangular prism is given as 15 cm, 10
aliina [53]

Answer:

Its option C

Step-by-step explanation:

to find the volume you multiply the length, width and height together.

7 0
3 years ago
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Match the following items.
max2010maxim [7]

Answer:

1. ∠ABD = 20°.

2.  Arc AB =  140°.

3.  Arc AD =  40°.

Step-by-step explanation:

Given information: ∠ADB = 70°. BD is diameter.

According to Central angle theorem, the central angle from two chosen points A and B on the circle is always twice the inscribed angle from those two points.

By Central angle theorem,

\angle DAB=90^{\circ}

Using angle sum of property in triangle ADB we get,

\angle ADB+\angle DAB+\angle  ABD=180^{\circ}

70^{\circ}+90^{\circ}+\angle  ABD=180^{\circ}

\angle  ABD=20^{\circ}.

Draw a line segment AO.

In triangle AOD, AO=OD, so

\angle ODB=\angle OAD=70^{\circ}

Using angle sum property in triangle AOD,

\angle AOD+\angle ODA+\angle  OAD=180^{\circ}

\angle AOD+70^{\circ}+70^{\circ}=180^{\circ}

\angle AOD=40^{\circ}

Therefore length of arc AD is 40°.

The angle AOD and AOB are supplementary angles.

\angle AOD+\angle AOB=180^{\circ}

40^{\circ}+\angle AOB=180^{\circ}

\angle AOB=140^{\circ}

Therefore length of arc AB is 140°.

3 0
4 years ago
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