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Elodia [21]
3 years ago
13

4(-x+4) =12 solve for x

Mathematics
1 answer:
VashaNatasha [74]3 years ago
4 0

Answer: x=1

Step-by-step explanation:

   4 (-x+4)=12

 (-4x+16)=12

  -4x+16-16  =12-16

         -4x/-4 =-4/-4

                  x=1

I don't know if this is right, please let me know if it is wrong ο(=•ω<=)ρ⌒☆

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Erica brought three and a half yards of fabric if she uses two thirds of it how much will she have left
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<span>21/6 - 14/6 = </span>

<span>7/6 or 1 1/6 yds</span>
8 0
3 years ago
Half of 6900 and 8100
klio [65]

6900 + 8100 = 15000

15000 divided by 2 = 7500

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5 0
3 years ago
Read 2 more answers
Two rectangles are similar. one has a length of 10 cm and a width of 8 cm, and the other has a width of 7 cm. find the length of
Mila [183]
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5 0
3 years ago
Quadrilateral ABCD is translated up and to the right and then rotated about point Q. Which congruency statement is correct?
valentina_108 [34]

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Step-by-step explanation:

ABCD = WXYZ

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9 0
3 years ago
. Given that O is the centre of the following circle, find the values of the unknowns.​
alex41 [277]

Given:

Radius of circle is 13 cm

Height of triangle is 5 cm

To find:

Value of 'a' and 'b'

Steps:

To find value of 'a', we will use Pythagoras theorem as the triangle is a right angle triangle,

A² + B² = C²

a^{2} + 5^{2} = 13^{2}

a^{2} + 25 = 169

a^{2} = 169 - 25

a^{2} = 144

\sqrt{a^{2}}=\sqrt{144}

a = 12

Now to find the value of 'b', i will use law of cosine,

c=\sqrt{a^{2}+b^{2}-2ab(cos\beta ) }

12 = \sqrt{13^{2}+5^{2}-2(5)(13)(cos\beta )}\\12=\sqrt{169 + 25-130(cos\beta )}\\12=\sqrt{194-130(cos\beta )}\\144 = 194 - 130(cos\beta )\\50 = 130(cos\beta )\\cos\beta =   0.3846\\\beta  = cos^{-1}(0.3846)\\\beta = 67.38

Therefore, the values of 'a' and 'b' is 12 and 67.38 respectively

Happy to help :)

If u need any help feel free to ask

3 0
3 years ago
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