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3 years ago

Helppp !!! What is the measure of adc????????

Mathematics

1 answer:

Natali5045456 [20]3 years ago

5 0

We have to use the following formula

angle ABC=0.5(arc ADC-AC)

And it is given that, angle ABC=61, arc ADC is unknown which is y and AC =119.

Substituting these values.

61= 0.5(y-119)

Correct option is D .

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3 years ago

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5/8 - 3/10 <br> A. 13/40 <br> B. 1/20 <br> C. 1/4<br> D. 1/5

densk [106]

5/8 - 3/10

Find the common denominator:

Multiples of 8: 8, 16, 24, 32, 40 (8 x 5 = 40)

Multiples of 10: 10, 20, 30, 40 (10 x 4 = 40)

5/8 = 5*5 / 8*5 = 25/40

3/10 = 3*4 / 10 *4 = 12/40

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3 years ago

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I dont understand this

nata0808 [166]

Answer:

The correct answer is:

d) $2x^{2}+3x-3+\frac{3}{4x-6}$

Step-by-step explanation:

The given question is regarding polynomial division.

Please find the attached file for the explanation.

Polynomial division gives:

Quotient: $2x^{2}+3x-3$

Remainder: 3

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3 years ago

If BD is the midsegment and BD is parallel to to AE, then value of AE is

Flura [38]

112 is correct, 56 times 2.

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3 years ago

y = 2x squared + 5x -3 can be written in the form y= 2( x+a) squared + b . Find the value of a and the value of b.

Elan Coil [88]

General vertex form:

$y = m(x − a)² + b \: with \: vertex \: at \: (a, b)$

Given :

$y = 2x² + 5x - 3$

Extract "spread factor" m

$y = 2( x² + \frac{5}{2} x) - 3$

Complete the square

$y = 2(x² + \frac{5}{2}x + ( \frac{5}{4})²) - 3$

$- 2( \frac{5}{4})²$

Write as a squared binomial and simplify the constant

$y = 2(x + \frac{5}{4})² - 6 \frac{1}{8}$

Re-write to match signs of standard general form:

$y = 2(x - ( - \frac{5}{4}))² \: + ( - 6 \frac{1}{8})$

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2 years ago