3 years ago

20 points Find the value of x in the figure

Mathematics

2 answers:

IrinaK [193]3 years ago

8 0

Answer:

x=100

Step-by-step explanation:

180 degrees on a straight line.

180-57= 123

123-23=100

x=100

Hope this helps

Leokris [45]3 years ago

5 0

Answer:

I broke it down for you

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Jill sold half of her comic books and then bought sixteen more. She now has 36. With how many did she begin?

Alex777 [14]

Answer:

$\frac{1}{2}x + 16 = 36$

40 comic books

Step-by-step explanation:

Let x be the Jill comic books.

Given:

Jill sold half of her comic books and then bought sixteen more. She now has 36.

$\frac{1}{2}\ (Jill\ books) + 16\ more\ books = 36$

$\frac{1}{2}\ (x) + 16 = 36$

$\frac{1}{2}x + 16 = 36$

Therefore the algebraic equation of the given statement.

$\frac{1}{2}x + 16 = 36$ --------(1)

Now we solve above equation for x.

Subtract by 16 both side of the equation 1.

$\frac{1}{2}x + 16 -16 = 36 -16$

$\frac{1}{2}x = 20$

Multiply by 2 both side of the above equation.

$2\times \frac{1}{2}x =2\times 20$

$x = 40$

Therefore, Jill had 40 comic books.

8 0

3 years ago

Y=8x+3 helppp I need help

Lana71 [14]

Answer:

11 maybe

Step-by-step explanation:

multiply 8 by the x (which is one) and then add 3

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3 years ago

If p(x)=x^2+x+1 and q(x)=3x^2-1, find p(7)

Delvig [45]

Answer:

p(7) = 57

Step-by-step explanation:

Because this is a function, all you have to do is input 7 for x like so:

p(x)=x^2+x+1 ---------------> p(7)=7^2+7+1

so 49 + 8

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DiKsa [7]

I need to see the diagram in order to answer your question.

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What is 128.34 as a mixed number in similest form

telo118 [61]

128.34 = 12817/50 :)

hope it helps

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