What is the value of x2 -9,when x = 10?

Answers

Answer 1

Answer:

12

Step-by-step explanation:

hope this helps!

Answer 2

Answer:

11

Step-by-step explanation:

First you would switch out the x with 10. Then you would do 10*2-9, 10*2= 20, 20-9= 11, and that will give you 11 as your answer.


Related Questions

Paul joins a gym that has an initial membership fee and a monthly cost. He pays a total of $295 after three months, and $495 after eight months.

a) Identify the monthly cost.
b) What is the initial membership fee?
c) Write an equation for the total cost C as a function of the number of months, m. (so C is your y and m is your x)
d) Find how much Paul will have paid after one year.

Please give me answer.

Answers

Answer:

a

Step-by-step explanation:

Adrianna, Deon, and Yoko jogged at Eisenhower Park today. Adrianna jogs at the park every 3
days. Deon jogs at the park every 5 days. Yoko jogs at the park every 6 days. Find the least
common multiple of 3, 5, and 6 to determine how many days will pass before all three jog at
Eisenhower Park on the same day again.

Answers

Answer:the answer is 30

Step-by-step explanation hope this helped ☺️

Answer:30

Go sub to King4cookies

Step-by-step explanation:

I need help solving for X
The answer choices are
-9
10
-11
9​

Answers

Answer:

x = -11

Step-by-step explanation:

Equations

The image shows a right triangle with angles 70°, 90°, and x+31.

The sum of the internal angles of a triangle is 180°, thus:

70 + 90 + x + 31 = 180

Simplifying:

191 + x = 180

Subtracting 191:

x = 180 - 191

x = -11

Evaluate 3x^2 – 2xy - 4y^2

when x = 2 and y = - 3.

A. 12
B. -36
C. -12
D. 36

Answers

 Evaluate for x=2,y=−3

3(22)−(2)(2)(−3)−4(−3)2

3(22)−(2)(2)(−3)−4(−3)2

= C. −12

 

What is the slope of a line perpendicular to the line passing through (-23, 8) and (12, -17)

Answers

Answer:

[tex]m=\frac{7}{5}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]Slope of a perpendicular line is the negative reciprocal of the original

Step-by-step explanation:

Step 1: Define

Point (-23, 8)

Point (12, -17)

Step 2: Find slope m

Substitute:                    [tex]m=\frac{-17-8}{12+23}[/tex]Subtract/Add:               [tex]m=\frac{-25}{35}[/tex]Simplify:                        [tex]m=\frac{-5}{7}[/tex]

Step 3: Find perpendicular slope m

Take negative:          [tex]m=\frac{5}{7}[/tex]Take reciprocal:        [tex]m=\frac{7}{5}[/tex]

And we have our final answer!

A container holds 500 ml of liquid. How many liters will the container hold

Answers

Answer:

It would hold .5 liters because 1000ml is equal to 1 liter

Step-by-step explanation:

The container will hold 0.5 liters of liquid

You take milliliters and divide it by 1,000

can someone plz answer asap

Answers

Answer:b

Step-by-step explanation:b

Answer:b

Step-by-step explanation:b

is negative 9 an integer

Answers

Only fractions and decimals are not integers. therefore, negative 9 is an integer

pls help find the amount at the end of 6 hours

Answers

Answer:

A. 7,348

Step-by-step explanation:

P = le^kt

intitial population = 500

time = 4 hrs

end population = 3,000

So we have all these variables and we need to solve for what the end population will be if we change the time to 6 hours. First, we need to find the rate of the growth(k) so we can plug it back in. The given formula shows a exponencial growth formula. (A = Pe^rt) A is end amount, P is start amount, e is a constant that you can probably find on your graphing calculator, r is the rate, and t is time.

A = Pe^rt

3,000 = 500e^r4

now we can solve for r

divide both sides by 500

6 = e^r4

now because the variable is in the exponent, we have to use a log

[tex]log_{e}(6) = 4r[/tex]

ln(6) = 4r

we can plug the log into a calculator to get

1.79 = 4r

divide both sides by 4

r = .448

now lets plug it back in

A = 500e^(.448)(6 hrs)

A = 7351.12

This is closest to answer A. 7,348

PLEASE HELP ME WITH THIS ALGEBRA QUESTION!! THANK YOU!!

Answers

Answer:

4a (n-1) + 5

Step-by-step explanation:

1th=6

2nd=29

3rd=121

4th=489

.

.

nth

if n=2

a2 = 4a(2-1) + 5 = 4 a(1) + 5 = 4 (6) + 5= 29

a3 =4a(3-1) + 5 = 4 a(2) + 5 = 4 (29) + 5= 121

try finding a4, check wether the answer is 489

Find the probability that when four numbers from 1 to 100, inclusive, are picked at random with no repetitions allowed, either all are odd, all are divisible by 3, or all are divisible by 5.

Answers

Answer:

The probability is;

0.076

Step-by-step explanation:

The count of numbers from 1 to 100 is 100

Let’s find the number of odd numbers

We can use;

a + (n-1)d = T

a is 1, d is 2 and T is 99

Thus;

1 + 2(n-1) = 99

n-1 = (99-1)/2

n-1 = 59

n = 50

So there are 50 odd numbers

Probability of selecting an odd number is 50/100 = 1/2

If all 4 are odd, we have 1/2^4 = 1/16

Let’s get the multiples of 3

we can use

a + (n-1)d = T

a = 3, n = ? , d = 3 and T = 99

So;

3 + 3(n-1) = 99

n-1 = 34

n = 33

So the probability is 33/100

All 4 are divisible will give 33/100^4

Multiples of 5

a + (n-1)d = T

a = 5, n = ? , d = 5 T = 100

5 + (n-1)5 = 100

5(n-1) = 95

n-1 = 19

n = 20

Probability is 20/100 = 1/5

All

four are multiples of 5

1/5^4 = 1/625

So the probability is;

1/16 + 1/625 + 0.01185921

= 0.0625 + 0.0016 + 0.01185921 = 0.07595921

The piecewise function f(x) has opposite expressions.
2x - 1,
x < 0
f(x) = 0,
x = 0
-2x + 1 x > 0
Which is the graph of f(x)?
Ty
t
5
3
2
20
2
1
-5 -4 -3 -2 -1
1
2
34
5
-5-4-3-2
2
3
4
5
-3-2
-2

Answers

Answer:

the first answer should be the one

Graph 2 has opposite expressions

Start by calculating the equations of the functions.

From the graphs, we have the following equations

Graph 1: y = -|2x| + 2Graph 2: y= 2x -2 and y= -2x - 2Graph 3: y = 2x - 1 and y = -2x + 1Graph 4: y = -2x + 1 and y = 2x - 1

An opposite function is defined by y = f(x) and y = f(-x)

Graph 1 is an absolute value graph.

Check if y = f(x) and y = f(-x) is true for function 2.

We have:

[tex]f(x) = 2x - 2[/tex]

[tex]f(-x) = 2(-x) - 2[/tex]

[tex]f(-x) = -2(x) - 2[/tex]

For graph 2, f(x) and f(-x) are true.

Hence, graph 2 has opposite expressions

Read more about opposite functions at:

https://brainly.com/question/4292846

Sixty-four is 66 2/3 percent of what number?
please answer quickly if you can

Answers

Answer:

n = 96

Step-by-step explanation:

[tex]66\frac{2}{3}[/tex] % = [tex]\frac{200}{3}[/tex] %

[tex]\frac{64}{n}[/tex] = [tex]\frac{\frac{200}{3} }{100}[/tex]

[tex]\frac{\frac{200}{3} }{100}[/tex] = [tex]\frac{2}{3}[/tex]

[tex]\frac{64}{n}[/tex] = [tex]\frac{2}{3}[/tex]

2n = 192 ⇒ n = 96

(Select all the true statements. )

A.) after one week he collected 8.7 pounds of food

B.) after 8.7 weeks, he collected 1 pound of food.

C.) in 30 weeks , he should collect 261 pounds of food

D.) in 20 weeks , he collected 180 pounds of food

E.) the point (10, 100) is on the graph of the proportional relationship.


(Please I need help !!! )

Answers

Answer:

the answer is a

Step-by-step explanation:


Simplify
8/-3 divided by -4/9
-3
9
O -8
O -6
O 6
O 8

Answers

Answer:

6 is the answer

Step-by-step explanation:

8÷ -3 = −2.6666666667

-4÷ 9 = −0.4444444444

−2.6666666667 ÷ −0.4444444444 =6.0000000007

The answer is 6.

6 is the answer for this

On a number line, locate and label 20℃ below zero and 20℃ above zero. What does zero represent in this situation?

Number line \/

Answers

Answer:

Real-World Positive and Negative Numbers and Zero. 20. This work is derived ... when describing and representing situations involving integers; for example, ... feedback by labeling and relabeling the number line based on different responses. ... I would locate (place) zero as far to the left as possible and use a scale of 10.

Step-by-step explanation:

use place value solve 947-586

Answers

Answer:

361

Step-by-step explanation:

Write it out like.. (900-40-7)-(500-80-6)=361

-9 + 1/4x - 6 - 1/8x

Answers

Answer:

Assuming you want me to simplify your answer, the answer to your question is x/8-15.

Step-by-step explanation:

Simplify each term by combining 1/4 and x, and then combine x and 1/8 to get -9+x/4-6-x/8. Subtract 6 from -9 for x/4-15-x/8. Write x/4 as a fraction with a CD (Common Denominator) by multiplying by 2/2. Write each expression with a CD of 8. Combine the numerators, subract x from x*2 by reordering x and 2 to get 2*x-x/8-15. Then subract x from x to get x/8-15.

I will give you a pdf where it will be done and how I do it, I hope that it served you

Middle School had 480 students. At the end of the

year, it had 504 students. What is the percent of

change in the enrollment?​
explain.

Answers

Answer:

there is a 5% increase

Step-by-step explanation:

say 480=100%

4.8=1%

divide 504 by 4.8 you get 105,

so 504=105%

this is 5 more than 100 therefore 5%

Select the three fractions that are equal to 8/14
A) 4/7
B) 48/84
C)16/28
D) 2/3
E) 24/48

Answers

Answer:

A) 4/7 and C) 16/28 and B) 48/84

Select all of the expressions that are equivalent to 5x + x2​

Answers

7x if you add the numbers and just keep the x the same
7x can we see the answer choices??

90.10 rounded to the nearest whole number?

Answers

Answer:

it would be 90 because it has o be a 5 to  9 to round up but is a 1so you can round up

Step-by-step explanation:

Just tell me like first one goes to... or like seconds one goes to..

Answers


the answer to the first one is graph 3. the answer the the second one is graph 1.

What is the w

4w+3w=63

Answers

Answer:

7w=63

63÷7=9

so, (w=9)

Answer:

9

Step-by-step explanation:

3*9 = 27 4*9=36

36 + 27 = 63

Which statement describes the image?

Answers

Answer:

d.) none are correct

Step-by-step explanation:

it should be reflection over the y-axis then reflection over the x-axis

i’m pretty sure the answer is B

What is the answer this is due in 10 MINUTES

Answers

Answer:

The answer is D 5

Step-by-step explanation:

because you could multiply by 5 and divide by 5

its proportional

There are 400 students at Washington Middle School, and 100 of them are in sixth grade. What percent of the students are in sixth grade?
Pick the model that represents the problem.

Answers

Answer:

25%

Step-by-step explanation:

Use the slope formula to find the slope between the given two points.
7. (4,9) and (1,6)
8. (-4,-1) and (-2,-5)
9. (5, 3) and (5,-9)
10. (2, 1) and (8,9)
11. (14, -8) and (7,-6)
12. (4, -3) and (8, -3)
13. (-7,-5) and (2,-8)
14. (-11, 1) and (-2, 6)
15. (-5, -1) and (-7, 2)

Answers

Answer:

7. 1

8. -2

9. undefined (meaning the line goes straight up and down)

10. 4/3

11. -2/7

12. 0 (meaning it is completely flat)

13. -1/3

14. 5/9

15. -3/2 or -1.5

Step-by-step explanation:

Answer:

7. 1

8. -2

9. Undefined    (meaning the line goes straight up and down)

10. 4/3

11. -2/7

12. 0                      (meaning it is completely flat)

13. -1/3

14. 5/9

15. -3/2 or -1.5

Step-by-step explanation:

What is the answer for the quotient

Answers

Answer:

0.91666666666

Step-by-step explanation:

if its wrong tell me

Answer:

10

Step-by-step explanation:

Strategy Keep change flip

Only use this strategy when dividing fraction not adding subtracting or multiplication

5/6 ÷1/12 would change to 5/ times 12/1

5/6 times 12/1 =60/6.

That an improper fraction so you see how many times 6 goes into 60 which is 10 times so the answer is 10

Hope I helped

-1/7÷-5/9

7/8÷8/9


Show the steps please​

Answers

so here, the rule "keep,change,switch" works great. so you keep the first fraction the same, switch the division to multiplication and then turn the second fraction upside down
so it looks like this:

-1 * -9= 9
7* 5= 35 = (9/35)

then

7* 9= 63 = (63/64)
8* 8= 64

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