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3 years ago

13

Is this table a function?

1 answer:

IrinaVladis [17]3 years ago

6 0

B is the correct answer because -3 is the only value x is multiplied by.

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In ∆ABC the angle bisectors drawn from vertices A and B intersect at the point D. Find m∠ADB if

Svetllana [295]

Answer: ∠ABD = $\bold{\frac{1}{2}}$ ∠C

<u>Step-by-step explanation:</u>

$\angle A + \angle B + \angle C = 180^o\\\\\dfrac{1}{2}\angle A+\dfrac{1}{2}\angle B+\angle D=180^o\\\\\\\text{Solve the system by multiplying the second equation by -2}\\\angle A + \angle B + \angle C = 180^o\\\underline{-\angle A - \angle B - 2\angle D = -180^o}\\.\qquad \qquad \quad \angle C-2\angle D=0\\.\qquad \qquad \qquad \qquad \angle C=2\angle D\\.\qquad \qquad \qquad \quad \dfrac{1}{2}\angle C=\quad \angle D\\$

8 0

3 years ago

Help please!!! Thank you

ANTONII [103]

Answer:

Option (G)

Step-by-step explanation:

Let the length of the race = a miles

Since, Speed = $\frac{\text{Distance}}{\text{Time}}$

Time taken to cover 'a' miles with the speed = 12 mph,

Time taken ' $t_1$ ' = $\frac{a}{12}$

Time taken to cover 'a' miles with the speed = 11 mph,

Time taken ' $t_2$ ' = $\frac{a}{11}$

Since the time taken by David to cover 'a' miles was 10 minutes Or $\frac{1}{6}$ hours more than the time he expected.

So, $t_2=t_1+\frac{1}{6}$

$\frac{a}{11}=\frac{a}{12}+\frac{1}{6}$

$\frac{a}{11}-\frac{a}{12}=\frac{1}{6}$

$\frac{12a-11a}{132}=\frac{1}{6}$

a = 22 mi

Therefore, distance of the race = 22 mi

Option (G) is the correct option.

6 0

3 years ago

Write two decimals that can be rounded to 1.5

evablogger [386]

It can be either 1.4 or 1.3 or your looking to your nearest 5th

5 0

3 years ago

Read 2 more answers

I need help with this question.

klio [65]

The answer is E your welcome

5 0

3 years ago

Please help me i dont understand this

mr_godi [17]

Answer:

209.3

Step-by-step explanation:

V=πr^2h / 3

= 3.14 x 25 x 8 /3

= 209.3

7 0

3 years ago