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ratelena [41]
4 years ago
14

Help I need helppp. plz help bros​

Mathematics
1 answer:
ladessa [460]4 years ago
7 0

Answer:

x= 7

Step-by-step explanation:

5x - 2 + x = 9 + 3x + 10

6x - 2 = 19 + 3x

-3x                  -3x

3x - 2 =  19

    +2     +2

3x = 21

x = 7

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Tell whether a triangle can have sides with the
Dmitry [639]

Answer:

3x+2 \ne x^2 \ne 2x for x = 4

Step-by-step explanation:

Given

Shape: Triangle

Dimension: 3x + 2, x^2 and 2x

x = 4

Required

Determine if it has equal sides

To do this, we simply substitute 4 for x in the given dimensions

<u>3x + 2</u>

3x + 2 = 3 * 4 + 2

3x + 2 = 12 + 2

3x + 2 = 14

<u>x^2 </u>

x^2 = 4^2

x^2 = 16

<u>2x</u>

<u></u>2x = 2 * 4<u></u>

2x = 8

3x+2 \ne x^2 \ne 2x for x = 4

8 0
3 years ago
When a number is added to six times its square, the result is twelve. Find the number.
7nadin3 [17]
Let's represent our number as x.
x is being added to 6 * x², and it equals 12
x + 6x^{2}=12\\6x^{2}+x-12=0
Factor:
6x^{2}+x-12=0\\(2x+3)(3x-4)=0
Solve for x:
(2x+3)=0\\2x=-3\\x=\frac{-3}{2}\\\\(3x-4)=0\\3x=4\\x=\frac{4}{3}

Therefore, x = -3/2 and 4/3.
6 0
3 years ago
Read 2 more answers
Plz read the question then ANWSER then tell me what u did, to get the amwser/ how u did it
pshichka [43]

Answer:

Step-by-step explanation: use Triangle formula Area= 1/2xbxh

1/2x6x6=18

18 sq inches for one triangle then multiply by 24 for the whole quilt

You got this

3 0
3 years ago
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Can a triangle have sides with the given lengths? Explain.
Amiraneli [1.4K]

Answer:

Option A.

Step-by-step explanation:

12 cm, 17cm, 25 cm

7 0
2 years ago
Alisa had 1 &amp; 1/2 liter of juice in a bottle. She drank three eighths liters of juice. What fraction of the juice in the bot
emmasim [6.3K]

Answer:

1/4

Step-by-step explanation:

The fraction of the juice Alisa drank was

   3/8 liter

--------------------

  3/2 liters

and this fraction can be simplified by inverting the divisor (3/2 liters) and multiplying instead:

 3       2

------ * ----- = 2/8 or 1/4

  8       3

Alisa drank 1/4 of the juice that was originally in the bottle.

4 0
3 years ago
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