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2 years ago

What's the answer for this?

Mathematics

2 answers:

larisa86 [58]2 years ago

7 0

The answer is G because it doesn't pass the vertical line test

AlexFokin [52]2 years ago

3 0

H. Does not represent a function because the x value has more than one y value

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In 2010, the number of houses built in Town A was 25 percent greater than the number of houses built in Town B. If 70 houses wer

Stella [2.4K]

Answer:

The number of houses built in Town B is 56.

Step-by-step explanation:

We are given that in 2010, the number of houses built in Town A was 25 percent greater than the number of houses built in Town B.

Also, 70 houses were built in Town A during 210.

Let the number of houses built in Town B be 'x'.

So, according to the question;

Number of houses built in Town A = Number of houses built in Town B + 25% of the houses built in Town B

$70 = x + (25\% \times x)$

$70 = x(1+0.25)$

$x=\frac{70}{1.25}$

x = 56

Hence, the number of houses built in Town B is 56.

8 0

2 years ago

Farooq paid 25% of salary as a house rent and 50% of salary for other expenses.

galina1969 [7]

Answer:

hope this helps you...

Step-by-step explanation:

please mark this as brainliest

4 0

2 years ago

Read 2 more answers

A mechanic gave a parts store a deposit of $25 toward the purchase of a part costing $89.95. How much does the mechanic still ow

Hunter-Best [27]

Answer:

25-89.95=64.95

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Prove that if r is any rational number, then 3r2 − 2r + 4 is rational. The following properties may be used in your proof. Prope

ziro4ka [17]

Given:

Expression is

$3r^2-2r+4$

To prove:

If r is any rational number, then $3r^2-2r+4$ is rational.

Step-by-step explanation:

Property 1: Every integer is a rational number. It is Theorem 4.3.1.

Property 2: The sum of any two rational numbers is rational. It is Theorem 4.3.2.

Property 3: The product of any two rational numbers is rational. It is Exercise 15 in Section 4.3.

Let r be any rational number.

We have,

$3r^2-2r+4$

It can be written as

$3(r\times r)-2r+4$

Now,

3, -2 and 4 are rational numbers by property 1.

$r^2=r\times r$ is rational by Property 3.

$3r^2\text{ and }-2r$ are rational by Property 3.

$3r^2+(-2r)+4$ is rational by property 2.

So, $3r^2-2r+4$ is rational.

Hence proved.

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2 years ago

Which equation represent the line which passes through the point (-3, -4) and has a slope of -2?

Oliga [24]

Answer:

Step-by-step explanation:

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2 years ago