If n = 6 and p =2, what is 3n + 2p ?

Answers

Answer 1

Answer: 3n + 2p
3(6) + 2(2)
18 + 4
22

Answer: 22

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Answer 2

Answer: this is substitution question
3 (6) + 2 (2) =
18+4=22

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What is the solution to the system of equations y= -5x +3 y=1
Ahmad has $x. Abu has $5 more than Ahmad. Razak has twice as much as Abu. Together they have $175. What is the value of x?

-3x + 4y – 5xy ; x= -3, y = 2
Need help ASAP plz

Answers

Answer:

Step-by-step explanation:

First, plug in the numbers.

x = -3 and y = 2.

-3(-3) + 4(2) - 5(-3)(2)

Simplify by multiplying.

-3 * -3 = 9

4 * 2 = 8

-5 * -3 * 2 = 30

Your new equation is:

9 + 8 + 30 = ?

Simplify by adding. 9 + 8 + 30 = 47

Answer:

Step-by-step explanation:

-3(-3) + 4(2) - 5(-3)(2)

9 + 8 + 30 = 47

In a 30-60-90 triangle the long leg is half the hypotenuse
Always
Sometime
Never

Answers

Answer:

Never.

Step-by-step explanation:

Definition:

In a 30-60-90 triangles:

The length of a hypotenuse sides is twice the length of the shorter leg
The length of the Longer side is $√(3)$ times the shorter leg.

As per the statement:

In a 30-60-90 triangle the long leg is half the hypotenuse.

since,

$\text{Shorter leg} = (1)/(√(3)) \cdot \text{Length of longer side}$

By definition;

length of a hypotenuse sides is twice the length of the shorter leg

⇒ $\text{length of hypotenuse} = 2 \cdot (1)/(√(3)) \cdot \text{Length of longer side}$

⇒ $\text{length of hypotenuse} =(2)/(√(3)) \cdot \text{Length of longer side}$

⇒ $\text{length of longer side} =(√(3))/(2) \cdot \text{Length of Hypotenuse side}$

Therefore. the given statement "In a 30-60-90 triangle the long leg is half the hypotenuse." is Never.

I wanted to say Sometime
But I believe the answer is Never

A group of adults and students went on a class trip to Washington, DC. The number of male students was 1 more than 7 times the number of adults. The number of female students was half the number of male students. If the total number of people who went on the trip is 82, find the numbers of male students and female students.

Answers

Given:
adults = x
male = 7x + 1
female = (7x + 1)/2
total number of people = 82

x + (7x + 1) + [(7x +1)/2] = 82
2x/2 + (14x + 2)/2 + (7x + 1)/2 = 82
2x + 14x + 2 + 7x + 1 = 82 * 2
23x + 3 = 164
23x = 164 - 3
23x = 161
x = 161/23
x = 7

adults = x = 7
males = 7x + 1 = 7(7) + 1 = 49 + 1 = 50
females = (7x+1)/2 = 50/2 = 25

7 + 50 + 25 = 82

Answer:

50 males, 25 females

Step-by-step explanation:

Sheba opened a retirement account with $36,500. Her account grewat a rate of 7% per year compounded annually. She made no deposits
or withdrawals on the account. At the end of 20 years, what was the
account worth, to the nearest dollar?
(1) $87,600 (3) $141,243
(2) $130,786 (4) $1,483,444,463

Answers

After 20 years, the account is worth 3) $141,243 rounded to the nearest dollar.

7% interest rate compounded annually means that the interest earned also earns an interest with the rate of 7%. Thus, the principal is multiplied with 1.07 or 107%.

Y1 36,500.00                         1.07      39,055.00
Y2 39,055.00                        1.07      41,788.85
Y3       41,788.85                        1.07      44,714.07
Y4 44,714.07                        1.07      47,844.05
Y5 47,844.05                        1.07      51,193.14
Y6 51,193.14                        1.07      54,776.66
Y7 54,776.66                        1.07      58,611.02
Y8 58,611.02                        1.07      62,713.80
Y9 62,713.80                        1.07      67,103.76
Y10 67,103.76                        1.07      71,801.02
Y11 71,801.02                        1.07      76,827.10
Y12 76,827.10                        1.07      82,204.99
Y13 82,204.99                        1.07      87,959.34
Y14 87,959.34                        1.07      94,116.50
Y15 94,116.50                        1.07    100,704.65
Y16 100,704.65                        1.07    107,753.98
Y17 107,753.98                        1.07    115,296.76
Y18 115,296.76                        1.07    123,367.53
Y19 123,367.53                        1.07    132,003.26
Y20 132,003.26                        1.07    141,243.48

Solve: |x + 9| User: Evaluate 5|7 - 9| - 2.
-12
0
1
8

Answers

Solve:

$[x+9]$ - there is nothing to simplify

======================================

Evaluate:

$5(7-9)-2$

= $35 -45-2$

= $-10-2$

= $-12$

or

$5(7-9)-2$

= $35 -45-2$

= $35-47$

= $-12$
------------------------------------------
So, -12 is the answer.

Evaluate 4d + 9e – 14 for d =7 and e = 3.
The value of the expression is
Plzzz help