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hammer [34]
3 years ago
5

Please help. I’ll mark you as brainliest if correct

Mathematics
1 answer:
blondinia [14]3 years ago
8 0

The first question, it is decreasing because the slope is negative.

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Vinvika [58]
Hi,

Work:

Equation;

y = \frac{2x}{1 + {x}^{2} }

Root = (0, 0)
Domain: x = R
Vertical Intercept = (0, 0)

Hope this helps.
r3t40

8 0
2 years ago
How do you know a number is odd?
cricket20 [7]
An odd number ends in 1, 3, 5, 7, or 9.
7 0
3 years ago
Read 2 more answers
Daniel wants to do 312 practice problems to prepare for an exam. if he wants to do approximately the same number of problems eac
alexandr1967 [171]

Answer:

Step-by-step explanation:

6 0
3 years ago
Find the value of x and y
Natalija [7]

Hello and Good Morning/Afternoon:

<u>Let's take this problem step-by-step</u>:

<u>What does the information want:</u>

  • value of x
  • value of y

<u>Let's gather some information</u>:

  • ΔA'BC' and ΔABC are similar triangles

             ⇒ Angle B is shared by both triangles

             ⇒ Angle A' and A are the same, as they are both on parallel

                   lines, A'C' and AC, and both angles are formed with the

                   same line AB

                 ⇒ by the <em>Angle-Angle Theorem*</em>, they are similar triangles

<u>If they are similar triangles</u>:

   ⇒ their side lengths are proportional to each other

  • let's find x's value

          ⇒ let's set up a proportion

                 \frac{A'B}{AB} =\frac{A'C'}{AC} \\\frac{30}{x+30} =\frac{14}{22} \\14(x+30) = 30*22\\14x + 420 = 660\\14x = 240\\x = 17.143

  • let's find y's value

          ⇒ let's set up a proportion

                 \frac{BC'}{BC} =\frac{A'C'}{AC} \\\frac{y}{y+15} =\frac{14}{22} \\22y=14(y+15)\\22y=14y+210\\8y=210\\y=26.25

<u>Answer:</u>

  • <u>x= 17.143</u>
  • <u>y = 26.25</u>

Hope that helps!

#LearnwithBrainly

 

5 0
1 year ago
It is sometimes possible to write two inequalities as a inequality.
goblinko [34]
Hi!

Yes, it is. When we have one inequality composed of two inequalities, we call this a double inequality. 

A double inequality would look something like <em>-5 < 4x < 10.

</em>Hopefully, this helps! =)<em>
</em>
7 0
3 years ago
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