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Dahasolnce [82]
3 years ago
14

Draw root 9 on a number line​

Mathematics
1 answer:
Lina20 [59]3 years ago
5 0

Answer:

Step-by-step explanation:

root 9 looks like

\sqrt{9}

maybe you can solve it now?

3*3 = 9

so root 9 = 3

mark 3 on the number line

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Plz I need some help with 11-12 . My teacher didn’t even explain it correctly so now I’m confused.
rusak2 [61]

Answer:

Step 1: Transpose everything to one side

12. x²+16x+15-10x+4=0

Step 2: Add the like terms

x² + (16x - 10x) + 15 + 4=0

x² + 6x + 19=0

Step 3: Use the quadratic formula to get the value(s) of x.

a=1 b=6 c=19

x =  \frac{ - b +  -  \sqrt{b {}^{2} - 4ac }  {}^{} }{2a}

therefore, x=... or x

6 0
3 years ago
3=c/5+2... how do I solve for c??
expeople1 [14]
Primeiro Você IRA Dividir o c (APENAS Colocar 5 + 2 embaixo do c). Depois faça a soma 5 + 2 = 7. Então faça o mmc (mínimo múltiplo comum) entre 7 e 1(o 1 é invisível, mas continua estando embaixo do 3). Deu 7 o mmc. Transforme seus números em frações, com o denominador 7. Transforme os números em frações o 3 virá 21, pois você divide em baixo e multiplica em baixo, e o c continua normal, pois já estava em baixo de 7. Como é para descobrir uma incógnita você tira os denominadores e ficará 21 = c.

3 = c/5 + 2
3 = c/7
21/7 = c/7
21 = c
4 0
3 years ago
Read 2 more answers
Use the balanced scale to find the conversion factor that can be used to convert the number of blocks to the weight of the block
77julia77 [94]

Answer:

x = 2 1/4 or 2.25

Step-by-step explanation:

to start we can make an equation

9lbs = 4x

divide by 4

9/4 = x

x = 2.25 or 2 1/4

4 0
3 years ago
What is the first step in evaluating the expression shown below?<br> (12.9-3.1) 6.2-2 + 43
Nata [24]

Answer:

Subtract 3.1 from 12.9

Hope it helped

3 0
3 years ago
How much greater is the perimeter of a square with area 250 square meters than a square with an area of 125 square meters
Vinvika [58]
I think it is 6.25 meters
4 0
3 years ago
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