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3 years ago

What is the solution to this equation x-9=17

Mathematics

1 answer:

Alja [10]3 years ago

6 0

Answer:

Step-by-step explanation:

you add 17+9 and get 26.

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Could someone pls help me out ???

professor190 [17]

Answer:

Option C.

Step-by-step explanation:

$\sf\:x^{2}-3x+7=0$

Use the biquadratic formula.

$\sf\:\x=\frac{-\left(-3\right)(+/-)\sqrt{\left(-3\right)^{2}-4\times 7}}{2}$

$\sf\:x=\frac{-\left(-3\right)(+/-)\sqrt{9-4\times 7}}{2}$

$\sf\:x=\frac{-\left(-3\right)(+/-)\sqrt{9-28}}{2}$

$\sf\:x=\frac{-\left(-3\right)(+/-)\sqrt{-19}}{2}$

$\sf\:x=\frac{3(+/-)\sqrt{19}}{2}$

Positive sign:

$\boxed{\sf\:x=\frac{3+\sqrt{19}}{2}}$

Negative sign:

$\boxed{\sf\:x=\frac{3-\sqrt{19}}{2}}$

Hope it helps ⚜

5 0

2 years ago

Someone please help asap!

aniked [119]

Answer:

in order u put them in, 8 top, 12 bottem, 32 top, 30 bottem

8 0

3 years ago

Help this may be the last time

Anit [1.1K]

I think the first is 107 and the second is 2. i’m not sure about the last two blanks but if they’re asking if it’s equivalent or not i think it is

3 0

3 years ago

Ivan has 15 yd of green felt and 12 yd of blue felt to make 3 quilt if I have I even uses the same total numbers of each of yd f

laiz [17]

Answer:

9 yards of each quilt.

Step-by-step explanation:

Let the length of each quilt be 'x'.

Given:

Length of green felt = 15 yards

Length of blue felt = 12 yards

Total number of quilts = 3

Total length of all the quilts in terms of 'x' is given as:

$Total\ length=x+x+x=3x ----(1)$

Total length is also equal to the sum of the lengths of green and blue felts. So,

$Total\ length=15+12=27--- (2)$

Now, equating equations (1) and (2), we get:

$3x=27\\\\x=\frac{27}{3}\\\\x=9
$

Therefore, the length of each quilt is 9 yards.

7 0

3 years ago

8th Grade

Fittoniya [83]

Answer:

n = 19.6

Step-by-step explanation:

Given the expression;

1.6(1 + 0.5n) - 3.2 = 1.1(n - 6.8)

Open the bracket

1.6 + 0.8n - 3.2 = 1.1n - 7.48

Collect the like terms

0.8n - 1.1n = -7.48 + 3.2 - 1.6

-0.3n = -5.88

n = -5.88/-0.3

n = 19.6

Hence the value of n is 19.6

7 0

3 years ago