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larisa86 [58]
1 year ago
10

I need answers for this problem

Mathematics
1 answer:
RoseWind [281]1 year ago
3 0

Answer: Infinite solutions.

Step-by-step explanation:

Problem: 3(2x + 5) = 8x - 2x + 15

Simplify  8x - 2x + 15  to  6x + 15

3(2x + 5) = 6x + 15

Expand

6x + 15 = 6x + 15

Since both sides are equal, there are infinitely many solutions.

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X/3 - 13= 9 <br> Plz help its very confusing
Tpy6a [65]

Answer:

x  = 66

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

6 0
2 years ago
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The first three steps in writing f(x) = 40x 5x2 in vertex form are shown. write the function in standard form. f(x) = 5x2 40x fa
Mkey [24]

The function f(x) = 5x² + 40x is a parabola. Then the vertex of the parabola will be at (–4, –80).

<h3>What is the parabola?</h3>

It is the locus of a point that moves so that it is always the same distance from a non-movable point and a given line. The non-movable point is called focus and the non-movable line is called the directrix.

The function f(x) = 5x² + 40x

Then add and subtract 80, then we have

f(x) = 5x² + 40x + 80 – 80

f(x) = 5(x² + 8x + 16) – 80

f(x) = 5(x + 4)² – 80

The vertex of the parabola will be at (–4, –80).

More about the parabola link is given below.

brainly.com/question/8495504

6 0
1 year ago
A wedding dress was marked up 35% and is now selling for $270.00. What was the original price of the dress?
qaws [65]
$270 equals 135% of the original price

270/x=135/100

135*2=270
100*2=200

Final answer: $200
5 0
2 years ago
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What is the answer I need help? <br>PLZ HELP ME
Firlakuza [10]
Use an app called Socratic, take a photo of the questions you're stuck on, then it will help you in stages and show you the answer.

This app gives you *instant* homework answers, all subjects Get it: https://socratic.org/a/p04dj0084n

6 0
3 years ago
Can anyone help me out? thanks
Alik [6]

Answer:

450 cm

Step-by-step explanation:

12 degrees is 1/30 of the circumference because there are 360 degrees in a circle.

The minor arc length of 15 is in the same ratio to the circumference as  the 2 angles , so the circumference = 30 * 15 - 450 cm.

8 0
2 years ago
Read 2 more answers
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