Evaluate the expression when n=6
n² – 5n-2

Answers

Answer 1

Answer:

4

Step-by-step explanation:

(6^2) -5(6) -2 =4

that is the answer

Answer 2

Step-by-step explanation:

6^2 - 5×6 - 2

= 36 - 30 -2

= 4


Related Questions

-4x + 2x + 3x + 8
Asap

Answers

Answer:

x + 8

Step-by-step explanation:

1. To simplify this expression, we have to combine like terms.

(-4x + 2x + 3x) + (8)(-2x + 3x) + (8)x + 8

Therefore, the answer is x + 8.

Which number produces a rational number when multiplied by 1/2

Answers

Step-by-step explanation:

all odd numbers

that should be the answer

please if you can i urgently need help thank you very much

Answers

Answer:

alright so basically solve and find each value out of exponent so it would be 16-8 over 32-16 which is 8/16 which simplifies to 1/2 which is ur answer

Answer:

4

you just add the powers when it's multiplication and same digit and minus them when they are divided but they have to be the same digit

2 power 4+3 =7 / 2 power 5+4=9

2 power 9-7=2

2 power 2 =4

please solve this construction for me ​

Answers

Answer:

Kaksjnzhxjz zn, nxnjxbjzznbz zn z xnxjz zbjz xj x, j xn, nxmj, xjbznznxjx nzjzjz dbz dnz xbxxjz

Suppose that 18 inches of wire costs 72 cents.
At the same rate, how much in cents) will 41 inches of wire cost?

Answers

10.25

You divide the amount of wire by cost, and multiply that by 41

Answer:

1.61

Step-by-step explanation:

72/18 = 4cents per inch

4*41 = 161

1.61$

(1 – xi)(5 – i) – (1 + 3xi)(5 – i)
-
Simply

Answers

Answer:

-20xi -4x

Step-by-step explanation:

Help! Look at the image below!

Answers

Answer:

the answer is (6,9) so the answer for y is 9

Step-by-step explanation:

A line passes through point A(12,18). A second point on the line has an x-value that is 125% of the x-value of point A and a y-value that is 75% of the y-value of point A. Use point A to write an equation of the line in point-slope form.

Answers

Answer:

the answer is Y = -1.5x + 36


HELP

Which expression should appear on Line 3?

800 + 24 + 12

800 +240 + 12


800 + 600 + 12

80 +240 + 12

Answers

Answer:    800  +   240  + 12  

Step-by-step explanation:

Line 3 = (200 × 4) + (60 × 4) + (3 × 4)      [multiply the terms in the brackets]

          =  800  +   240  + 12  

Answer:

Refer to the attachment

Write an equation that represents a discount of 18% on a retail price of $55. Let p represent the new price.

Enter the correct answer in the box.

Answers

[tex]\boxed{\tt{55(55-0.18)=pA}}[/tex]

ISOSCELES


EQUILATERAL


SCALENE

Answers

Answer:

scalene because all the angles are different in an isosceles triangle 2 angles are the same

Answer:

Scalene triangle

Step-by-step explanation:

the answer is the scalene triangle

5
Beena has a holiday in a villa in France.
The total cost of her travel is £349
Beena is on holiday for 2 weeks.
The cost of the villa is 650 euros per week.
While on holiday, Beena has 7 art lessons.
The cost of each art lesson is 45 euros.
Using an exchange rate of 1.12 euros = £1
(a) work out the total cost of Beena's travel, villa and art lessons.
Give your answer in pounds (£).

Answers

Answer:

The answer is 25 because they're both the same.

Mark me as brainliest please.

Step-by-step explanation:

The total cost of Beena's travel, villa and art lessons = £1790.97

What is  multiplication?

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

here, we have,

The total cost of her travel is £349

Beena is on holiday for 2 weeks.

The cost of the villa is 650 euros per week.

i.e. 2*650

  =1300 euros

  =1300/1.12

  =£1160.71

While on holiday, Beena has 7 art lessons.

The cost of each art lesson is 45 euros.

i.e. total cost = 7*45

                     =315

                     =315/1.12

                     =£281.25

[Using an exchange rate of 1.12 euros = £1]

Hence, The total cost of Beena's travel, villa and art lessons = £1790.97

To learn more on multiplication click:

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Please help me solve this

Answers

The answer is x = -18

Factorize; x cubed - x squared y ?
ASAP, please

Answers

Answer:

x²(x - y)

Step-by-step explanation:

x³ - x²y ( x² is common to both terms so factor it out )

= x²(x - y)

I forgot how to do this. Please help!

Answers

Answer:

It's just a line with a slope of 0 at y= -5

Hello wonderful people! I am having trouble with the one question and I was wondering if someone could help me? I promise brainiest for the correct answer. Thanks so much for your time!

Answers

(9,2)hours I think this is the answer

what is the slope of the line through (-9,6), (-3,9)

Answers

Slope = (y2-y1)/(x2-x1).

(9-6)/(-3+9)
= 3/6
=1/2

Aviv thinks of two numbers between 6 and 50. The highest common factor of his two numbers is 5. The lowest common multiple of his two numbers is 60. Write down the two numbers that aviv is thinking of.

Answers

Answer:

15 and 20.

Step-by-step explanation:

The 2 numbers are both divisible by 5.

Listing numbers whose LCM is 60 and divisible by 5.

20 and 30 :- not this as the HCF is 10.

15 and 20 : - HCF = 5 and LCM = 60.

Aviv is thinking of the numbers 60 and 5.

How to determine the two numbers that aviv is thinking of.

Let's consider the factors of 5 and the prime factorization of 60 to find the two numbers Aviv is thinking of.

The prime factorization of 60 is \(2^2 \times 3 \times 5\).

Since the lowest common multiple of two numbers is the product of their highest powers of prime factors, and we know the lowest common multiple is 60, this suggests that one of the numbers includes \(2^2\), \(3\), and \(5\) as prime factors.

However, we also know that the highest common factor of the two numbers is 5. This means that the second number must include \(5\) as a prime factor.

Putting these pieces together, the two numbers that Aviv is thinking of are \(2^2 \times 3 \times 5 = 60\) and \(5\).

So, Aviv is thinking of the numbers 60 and 5.

Learn more about factorization at https://brainly.com/question/10718512

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plz help me help me help me

Answers

The answer is this :) hope I helped

Answer:

Step-by-step explanation: 16 is for the apple juice for when the orange juice is 8 since orange juice is half of the apple juice. For the last one the apple juice is 32 and the orange juice is 16

The graph of the equation 2x-3y = 7 is a line. If a point on this line has an x-coordinate of 10, what
is its y-coordinate?

Answers

Answer:

y = 13/3

Step-by-step explanation:

First input 10 as our x into the equation. So our new equation is 2(10) - 3y=7.

Once you simplify your equation would be 20 - 3y = 7. Subtract 20 from both sides. New equation is -3y = -13. Divide each side by -3. Your answer for y is 13/3.

You are running a fuel economy study. One of the cars you find is blue. It can travel 30 1/2 miles on 1 1/4 of gasoline. Another car is red. It can travel 27 1/5 on 4/5 of gasoline. What is the unit rate for miles per gallon for each​ car? Which car could travel the greater distance on 1 gallon of​ gasoline?

Answers

You are running a fuel economy study. One of the cars you find is blue. It can travel 30 and one half miles30 1 2 miles on 1 and one fourth gallons1 1 4 gallons of gasoline. Another car is red. It can travel 25 and three fifths miles25 3 5 miles on four fifths gallon 4 5 gallon of gasoline. What is the unit rate for miles per gallon for each​ car? Which car could travel the greater distance on 1 gallon1 gallon of​ gasoline?

 

Blue car: 30.5 / 1.25 =24.4 miles per gallon

Red car: 25.6/0.80   =32 miles per gallon

You can easily see that the Red car travel farther on 1 gallon of gasoline.

Answer:

The unit rate for the blue car is 24 2/5 and The unit rate for the red car is 34

pls help im really bad at math no links pls​

Answers

Answer:

[tex]-\frac{1}{2}[/tex]

Step-by-step explanation:

[tex]-\frac{5}{6} +\frac{6}{18}[/tex]

[tex]-\frac{5}{6} +\frac{2}{6}[/tex]        reduced

[tex]\frac{-5+2}{6}[/tex]            transformed the expression to make it easier

[tex]-\frac{3}{6}[/tex]               add

[tex]-\frac{1}{2}[/tex]               reduce

A chemist mixes 100 milliliters of a solution that is 75% acid with 25 milliliters of a solution that is 35% acid.
Answer the questions below. Do not do any rounding.
(a) How many milliliters of acid are in the resulting mixture?
(b) What percentage of the resulting mixture is acid?


Answers

Answer:

85% acid

Step-by-step explanation:

The amount of acid is 83.75 milliliters

The percentage of the resulting mixture of acid is 67%

What is a percentage?

The percentage is calculated by dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

A chemist mixes 100 milliliters of a solution that is 75% acid with 25 milliliters of a solution that is 35% acid.

This means,

75% of 100 milliliters = 75/100 x 100 = 75 milliliters

35% of 25 milliliters = 35/100 x 25 = 8.75 milliliters

Now,

The amount of acid is (75 + 8.75) = 83.75 milliliters

The percentage of the resulting mixture of acid.

= 83.75 / (100 + 25) x 100

= 83.75/125 x 100

= 67%

Thus,

The amount of acid is 83.75 milliliters

The percentage of the resulting mixture of acid is 67%

Learn more about percentages here:

https://brainly.com/question/11403063

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{(-4,3), (5,-9), (11,4), (9,6), (5,-3), (8,-9), (1,4)}
Function / Not a Function

Answers

is not a function.

The relation is not a function.

Step-by-step explanation:

It is a function

It’s a function because the x values don’t repeat. If there were two or more of any numbers in the x value, it’s not a function. It doesn’t matter if the y values repeat tho. Remember it’s written (x, y)

17
1 point
Write the equation of the line that passes through the points (-2.3) and (-2.5).

Answers

Answer:

pa pic nyou nalang kung may pic plss

Help me please this is due please help

Answers

Answer:

18

Step-by-step explanation:

Divide the total weight of dough by the amount required for 1 pizza

20 [tex]\frac{1}{4}[/tex] ÷ 1 [tex]\frac{1}{8}[/tex] ( change mixed numbers to improper fractions )

= [tex]\frac{81}{4}[/tex] ÷ [tex]\frac{9}{8}[/tex]

• leave first fraction , change ÷ to × , turn second fraction ' upside down '

= [tex]\frac{81}{4}[/tex] × [tex]\frac{8}{9}[/tex] ( cancel 81 and 9 by 9 )

= [tex]\frac{9}{4}[/tex] × 8 ( cancel 4 and 8 by 4 )

= 9 × 2

= 18 pizza's

find the volume of a cube with the given sides length. 1/5b^3

Answers

Answer:

[tex]\sf \dfrac{b^9}{125}[/tex]

Step-by-step explanation:

We need to find out the volume of cube with the given side length . The side of the cube is ,

[tex]\sf\longrightarrow Side =\dfrac{1}{5}b^3[/tex]

Now as we know that the volume of cube is ,

[tex]\sf\longrightarrow Volume = side^3[/tex]

Substitute the given value ,

[tex]\sf\longrightarrow Volume =\Bigg(\dfrac{1}{5}b^3\Bigg)^3\\\\\sf\longrightarrow \boxed{\red{\sf Volume = \dfrac{b^9}{125}}}[/tex]

Using the expression above, choose the correct answers for the new balance and the amount of interest earned in the following compound interest problem.

$850 at 8% for 8 years, compounded annually.

Total Amount = $

Interest Amount = $

Answers

Total amount $1573
Interest amount $723
Total amount after 8 years is $1,573.29 and the interest earned is $723.29

What is the value of h?

h = 20
h = 35
h = 55
h = 70

Answers

Answer:55

Step-by-step explanation:

There is a bag with only red marbles and blue marbles. The probability of only choosing a red marble is 5/8. There are 25 red marbles in the bag and each is likely to be chosen. How many marbles should there be in total?

Answers

Answer:  40

25 red, 15 blue

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

Work Shown:

b = number of blue marbles = unknown

r = number of red = 25

T = number total = 25+b

r/T = probability of getting red = 5/8

r/T = 5/8

25/(25+b) = 5/8

25*8 = 5(25+b) .... cross multiplication

200 = 125+5b

200-125 = 5b

75 = 5b

5b = 75

b = 75/5

b = 15

We have 15 blue marbles and 25 red marbles. This means there are T = r+b = 25+15 = 40 marbles total.

The proportion of red is r/T = 25/40 = (5*5)/(5*8) = 5/8 to help confirm we have the correct value for b.

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