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anastassius [24]
2 years ago
14

The ratio of a to b is 2:3, and the ratio of a to c is 3: 10. What is the ratio of b to c?

Mathematics
2 answers:
Stolb23 [73]2 years ago
4 0

Answer: 3:10

Step-by-step explanation:

From the question, b= 3; c=10

Ratio of b:c will be

the value of b:value of c

=3:10

I hope you understand

allsm [11]2 years ago
4 0

Answer: b:c =  9:20

Step-by-step explanation:

a:b = 2:3

That is

\frac{a}{b} = \frac{2}{3}

This means that

a = \frac{2}{3}b ................................... *

Also

a:c = 3: 10

\frac{a}{c} = \frac{3}{10}

which means that

a = \frac{3}{10}c .................................. **

Equate * and ** since they are both values of a

That is :

\frac{2}{3}b =\frac{3}{10}c

cross multiplying , we have

20b = 9c

Therefore :

\frac{b}{c}=\frac{9}{20}

Therefore :

b:c =  9:20

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Answc

Step-by-step explanation:

answer= C. 11m

3 0
3 years ago
Approximately 2\%2%2, percent of the people in the world have red hair. There are about 7{,}000{,}000{,}0007,000,000,0007, comma
weqwewe [10]
Find 2% of 7 billion.

7,000,000,000 x .02 = 140,000,000

About 140 million people have red hair.
3 0
3 years ago
Gina opened a bank account with $40. She plans to add $20 per week to the account and not make any withdrawals. After how many w
ZanzabumX [31]

Answer:

After 33 weeks.

Step-by-step explanation:

Let w be number of weeks.

We have been given that Gina opened a bank account with $40. She plans to add $20 per week to the account and not make any withdrawals. So the balance after w weeks will be 20w+40.

To figure out number of weeks Gina will have exactly $700 in her account, we will equate the balance after w weeks to 700.

20w+40=700

Let us subtract 40 from both sides of equation.

20w+40-40=700-40

20w=660

Upon Dividing both sides of our equation by 20 we will get,

\frac{20w}{20}=\frac{660}{20}

w=\frac{660}{20}

w=33

Therefore, after 33 weeks Gina will have exactly $700 in her account, excluding interest.

6 0
3 years ago
What is gross income? Gross income is money earned before taxes are taken from a paycheck. Gross income is money earned after ta
Kaylis [27]

Answer:

Gross income is money earned before taxes are taken from a paycheck

Step-by-step explanation:

Gross income is money earned before taxes are taken from a paycheck

Gross income refers to the total amount of money earned by an individual over a specific period of time usually a year before any deductions such as taxes is made.

Gross income includes income earned from all sources. It can also be called Gross pay on a paycheck.

For example, if an individual earns $100 in a year and is expected to pay a tax of 2%. The gross income is $100 before tax is deducted

7 0
3 years ago
Find the point on the plane 4x+3y+z=10 that is nearest to​ (2,0,1). What are the values of​ x, y, and z for the​ point? x= 28 /
MariettaO [177]

Answer:

\frac{1}{\sqrt{26}}.

Step-by-step explanation:

The minimun distance between a point and a plane is the perpendicular distance. The formula is

d = \frac{|Ax_0+By_0+Cz_0+D|}{\sqrt{A^{2}+B^{2}+C^{2}}}

where (x_0,y_0,z_0)=(2,0,1), A=4, B=3, C=1 and D=-10. So, the distance is

d = \frac{|8+1-10|}{\sqrt{16+9+1}}

d =  \frac{|-1|}{\sqrt{26}}

d = \frac{1}{\sqrt{26}}.

4 0
2 years ago
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