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3 years ago

True or False? The output values are the x-coordinates.

Mathematics

2 answers:

kap26 [50]3 years ago

6 0

False. it would be y.

Novay_Z [31]3 years ago

6 0

Answer:

The answer is false because if you have a set of ordered pairs, you can find the domain by listing all of the input values, which are the x-coordinates. And to find the range, list all of the output values, which are the y-coordinates. Hope this helps!! :))

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Is the equation true, false, or open? Explain. -9a + 3 = -9a + 3* 5

Sholpan [36]

Answer:

the answer is false because 3 is multiplied with 5 on the right side

Then, when substitute any number , there remain difference

8 0

3 years ago

Es of two children are 11 and 8 years.

nikdorinn [45]

Answer:

<em>In 5 years the product of their ages will be 208</em>

Step-by-step explanation:

The age of two children is 11 and 8 years.

Let's call x the number of years ahead.

We need to find when the product of their future ages is 208. The 11 years old child will be 11+x years old and the other child will be 8+x years, thus:

(11+x)(8+x)=208

Operating:

$88+11x+8x+x^2=208$

Simplifying:

$x^2+19x-120=0$

Factoring:

(x-5)(x+24)=0

Solving:

x=5, x=-24

The negative solution is not valid, thus x=5

In 5 years the product of their ages will be 208

3 0

2 years ago

A system of two linear equations and three unknowns can be solved by:

irakobra [83]

These cannot be solved.- 3 unknowns require 3 equations

3 0

3 years ago

The following were the recorded birth weights for babies born July 16, 2011: 8.1 lbs., 6.0 lbs., 4.7 lbs., 6.9 lbs., 5.6 lbs., 7

rodikova [14]

8.1 + 6.0 + 4.7 + 6.9 + 5.6 + 7.7 + 6.3 + 7.8 + 6.1 + 9.2 = 68.4/9 = 7.6

6 0

3 years ago

Find the values of x and y leave answers in simplest radical form. *The altitude is:

jok3333 [9.3K]

$x = \sqrt{ { \sqrt{18} }^{2} + {2}^{2} } = \sqrt{18 + 4} = \sqrt{22} \\ y = \sqrt{ { \sqrt{18} }^{2} + {9}^{2} } = \sqrt{18 + 81} = \sqrt{99} = 3\sqrt{11}$

5 0

4 years ago