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4 years ago

Please i really need help

Mathematics

1 answer:

Shkiper50 [21]4 years ago

5 0

Answer:

I honestly do not know im sorry something else?

Step-by-step explanation:

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Was able to show a and b. but having issues with C.

Arada [10]

I think it would be $81 I’m not positive tho

7 0

3 years ago

I’ll give brainliest

mylen [45]

I’m not sure if this answer.

8 0

3 years ago

Solve the system of equations given below.

eduard

Answer:

The system of this equation is ( -1, 10) which is Option A.

Step-by-step explanation:

Solve for y in the first equation.

$y = - 5x + 5 \\ - 2y = - x - 21$

Replace all occurrences of yy with -5x+5 in each equation.

$10x - 10 = - x - 21 \\ y = - 5x + 5$

Solve for x in the first equation.

$x = - 1 \\ y = - 5x + 5$

Replace all occurrences of x with -1 in each equation.

$y = 10 \\ x = - 1$

The solution to the system is the complete set of ordered pairs that are valid solutions.

(−1, 10)

Hence, the system of this equation is (-1, 10). 

Option A.

5 0

3 years ago

For an outdoor concert by the city orchestra, concert organizers estimate that 19 comma 000 people will attend if it is not rai

My name is Ann [436]

<h2>Answer:</h2><h2>The expected number of people who will attend this concert = 2260</h2>

Step-by-step explanation:

The concert organizers estimate people will attend if it is not raining = 19000

If its raining people will attend = 4000

On the day of the concert, meteorologists predict a 90% chance of rain.

This means 10 % chance of not raining

The expected number of people = 90% (4000) + 10% (19000)

= 360 + 1900

= 2260

The expected number of people who will attend this concert = 2260

4 0

4 years ago

Name the values of the 9s in the number 1,998.

Alborosie

Answer:

1,9 (900) 9 (90) 8

Step-by-step explanation:

The first nine equals 900, and the second equals 90.

7 0

4 years ago