2 years ago

Identify the type of angel pair and solve for x

Mathematics

1 answer:

irina [24]2 years ago

7 0

12x+25 + 3x - 10 = 180
15x + 15 = 180
15x = 165
x = 11

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Please help thanks !

Kitty [74]

Answer:

option D

Step-by-step explanation:

$x^{2} + y^{2} = 16\\\\x^{2} = 16- y^{2}$

equation 2:

$\frac{x^{2}}{4} - \frac{y^{2}}{25} = 1$

so we have:

$\frac{16- y^{2} }{4}-\frac{y^{2}}{25}= 1$

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3 years ago

Can't figure out how to set up and check to see if right. 8/11(n-10)=64

strojnjashka [21]

Answer:

Step-by-step explanation:

$\frac{8}{11}(n-10)=64\\\\\frac{8(x-10)}{11}=64\\ 8(x-10) = 64(11)\\8(x-10) = 704\\8x-80 = 704\\8x= 704+80\\8x=784\\\\\frac{8x}{8}=\frac{784}{8} \\x=98$

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Pencils sell for $2.98 per dozen. A teacher bought 288 pencils for his classes. How much did the pencils cost?

babymother [125]

the anser is $71.52

Step-by-step explanation:

divide 288 by 12 than multiply by 2.98

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2 years ago

Chords AB and CB intersect at E in circle O, as shown in the diagram below. Secant

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