4 years ago

Determine if the point (-6,8) is a solution to the following system of equations y=1/2x-5 and x+3y=-30

1 answer:

3 0

To do this you would plug in the x values and the y value into both equations. So 8=-3 -5 and -6+24=-30, bothof which are incorrect.

You might be interested in

A set of 10 cards consists of five red cards and five black cards. The cards are shuffled thoroughly, and I choose one at random

Kamila [148]

Answer:

The mean of X is 2

Step-by-step explanation:

Given the data in the question;

set of 10 cards consist of 5 red card and 5 blacks

cards are chosen, replaced and shuffled four times;

number of independent trials n = 4

now, since its is replaced, the probability of getting a red card in each trial will be;

p = 5/10 = 0.5

let X rep the number of red cards observed in the four trials.

the random variable follows binomial distribution where

n = 4 and p = 0.5

E(X) = ∑xP( X = x )

E(X) = np

we substitute

E(X) = 4 × 0.5

E(X) = 2

Therefore, The mean of X is 2

6 0

3 years ago

On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite directior

bazaltina [42]

Answer:

b=-a

Step-by-step explanation:

Becaude when b is positive a will be negative

And when b is negative a will be positive.

8 0

3 years ago

The number 0.09 has a value greater than 0.009 am i correct

aniked [119]

0.09 is nine hundredths.

0.009 is nine thousandths.

You are correct.

6 0

3 years ago

Read 2 more answers

What is two plus two

Viefleur [7K]

Answer:

Step-by-step explanation:

3 0

4 years ago

Read 2 more answers

Answer the following question

FromTheMoon [43]

Answer:

Letters as in the attached image.
Triangles ABC and ADC are congruent by SSS. From that, corresponding angles are congruent, in parcicualre B and D, both measuring 94°.
Final angle is obtained by difference. The internal angles of a quadrilater add to 360, so the remaining is 360-90-94-94 =82°

7 0

2 years ago