Evaluate b2c-1 for b = -4 and c = 2.

-8
4
8
32

Answers

Answer 1

Answer:

-8

the way you meant to write it was -4^2 x 2^-1

Step-by-step explanation:

Answer 2

Answer:

it is 8 but it's not negative 8

I tried negative 8 and it said it was wrong so it must be 8


Related Questions

Can I have some help please

Answers

Answer:

I think it's trapezium .

f=6 and p = 2
3f – 9p + 8 + f

Answers

Answer:

14

Step-by-step explanation:

18-18+8+6

0+14

14

hope this helped!

Answer:

Step-by-step explanation:

F = 6

P = 2

Then:

3.(6) - 9.(2) + 8 + 6

18 - 18 + 8 + 6

8 + 6

14

;D

PLEASE HELP I NEED IT ITS DUE IN 3 MIN TYSM <333

Answers

Answer:

This is your answer ☺️☺️☺️. If I'm right so,

Please mark me as brainliest. thanks!!!

Answer:

11 + 2x

Step-by-step explanation:

6 + 5 = 11. -2x + 4x = 2x.

I'm using a method my elementary teacher. My dearest apologizes if this is wrong.

I need to know the answer to the question

Answers

Answer:

X=4

Step-by-step explanation:

Answer and Step-by-step explanation:

To get x, we need to put everything on the right. We start off by multiplying each side by 3.

3 × [tex](\frac{7+2x}{3} ) =[/tex] 5 × 3

7 + 2x = 15

Now, we subtract 7 from each side.

(7 + 2x) - 7 = 15 - 7

2x = 8

Finally, we divide each side by 2.

2x ÷ 2 = 8 ÷ 2

x = 4

The answer to this equation is x = 4.

I hope this helps!

A thanks and 5 stars + brainliests are appreciated, but I help to help!

#teamtrees #PAW (Plant And Water)

In ΔJKL, the measure of ∠L=90°, the measure of ∠J=18°, and KL = 6.1 feet. Find the length of JK to the nearest tenth of a foot.

Answers

Answer: 19.7

Step-by-step explanation:

Answer:

19.7

Step-by-step explanation:

Type in the missing terms in this sequence of square numbers.
1, 4, 9,
, 25, 36,
, 64, 81, 100,
, 144

Answers

Answer:

16, 49, 121

Step-by-step explanation:

PLEASE HELP! Tis urgent-

Answers

Answer:

Rectangular Pyramid.

Step-by-step explanation:

I believe the rectangular pyramid has a greater volume. :) Hope I helped! Have a wonderful day! Please give brainliest! Remember your worth!!! :D

A ball is dropped from a height of 64 feet. Its height, in feet, can be modeled by the function h(t) = -16t2 + 64, where t is the time in seconds since the ball was dropped. A. After how many seconds will the ball hit the ground? B. What is a reasonable domain and range for this function?

Answers

Answer:

See solution below

Step-by-step explanation:

The ball will hit the ground at whrn t = 0

Given the height of the ball modeled by the expression

h(t) = -16t^2 + 64

0 =  -16t^2 + 64

16t^2 = 64

t^2 = 64/16

t^2 = 4

t = 2sec

The ball will hit the ground 2secs after

The domain are the values of the input values t and this values start from 2 and greater. Hence the domain of the function is {2, ∞}

when t = 2

h (2) = -16(2)^2 + 64

h(2) = -64+64

h(2) = 0

Hence the range are the output values i.e the height.

The range are within the range {0, ∞}

The slope of the line in the graph tells us the ____ liters of the petrol is consumed for every mile.

Answers

Answer:

.16

Step-by-step explanation:

5 by 30 and you get your answer

PLEASE HELP ME PLEASE PLEASE PLEASE

Answers

Answer:

Step-by-step explanation:

l/100 km   means   liters per 100 Kilometre. How many liters a car need for traveling 100 km.

Km/l  means  liter per km

a.f(a)=22
b.f(a)=37
c.f(a)=32
d.f(a)=42

Answers

Answer:

with no question asked the answer could be anyone of the options

Step-by-step explanation:

help me plz: An employer is paying an employee a salary of $35,500 a year. The employer promised to increase his/her salary by 2,750 per year. What will be the employee's salary by year 8?​

Answers

Answer:

401(k) plan

Step-by-step explanation:

The employee earns $45/hour, with his employer paying 1.5 times the regular rate of pay for overtime hours. To date, he has earned $130,050 during the present year. He has requested that his employer withhold 8% of gross pay, which is to be contributed to a 401(k) plan. Taxable income for federal income tax withholding = $

1.6 × 10^6 ÷ 4.8 × 10^5. Give your answer as a mixed number​

Answers

Answer:

(10^11)/3

10^6 x 10^5 = 10^11

8/5 x 5/24 = 1/3

so multiply 10^11 and 1/3 together

20 feet. The builder asks him to give the measurements in yards. What will be the length in yards?Immersive Reader

Answers

Answer:

6.67 yards

Step-by-step explanation:

20 feet. The builder asks him to give the measurements in yards. What will be the length in yards?

Please note that:

1 foot = 0.333 yard

20 feet = x yards

Cross Multiply

1 foot × x yards = 20 feet × 0.333 yards

x yards = 20 feet × 0.333 yards/1 foot

x yards = 6.66667 yards

Approximately = 6.67 yards

Therefore, the measurements in yards is 6.67 yards.

Someone Please Help Me!

Answers

9514 1404 393

Answer:

  discrete

Step-by-step explanation:

"The number of (anything)" means the possible values are counting numbers. The random variable involved is necessarily discrete.

A local hotel has 158 rooms. Due to a scouting event, the entire hotel booked except for two rooms. If the girls scouts are using three times as many rooms as the boy scouts, how many rooms are the boy scouts using?

Answers

Answer:

39

Step-by-step explanation:

Let, total rooms girls booked be x and total rooms girls booked be y.

entire hotel was booked except two rooms.

so, total = 158-2 = 156

x+ y = 156

this is equation 1.

also, girls are using three times more room than boys.

so, y=3x

substituting y=3x in 1st equation,

x+ 3x = 156

or, 4x = 156

or, x= 156/4

x= 39

The identity a squared minus B squared equals parentheses a plus B parentheses parentheses a minus B parentheses is true for all values of ANB. Compute the whole number value of 2021 squared -2022The identity a squared minus B squared equals parentheses a plus B parentheses parentheses a minus B parentheses is true for all values of A and B. Compute the whole number value of 2021 squared -2020 squared

Answers

Question:

The identity [tex]A^2 - B^2 = (A + B) (A - B)[/tex] is true for all values of A and B. Compute the whole number value of [tex]2021^2 -2022^2[/tex]

Answer:

[tex]2021^2 - 2022^2 = -4043[/tex]

Step-by-step explanation:

Given

[tex]A^2 - B^2 = (A + B) (A - B)[/tex]

Required

Solve:  [tex]2021^2 -2022^2[/tex]

In: [tex]2021^2 -2022^2[/tex]

[tex]A = 2021; B = 2022[/tex]

[tex]A^2 - B^2 = (A + B) (A - B)[/tex] becomes

[tex]2021^2 - 2022^2 = (2021 + 2022)(2021 - 2022)[/tex]

[tex]2021^2 - 2022^2 = (4043)(-1)[/tex]

[tex]2021^2 - 2022^2 = -4043[/tex]

help ASAP please! ill mark u brainliest

Answers

Answer:

box and whisker

Step-by-step explanation:

Help meeeee pweaassee!!

Answers

Answer:

7. divide both sides by 18.

8. subtract 4 from both sides.

9. add 3 on both sides.

10. multiply by 6 on both sides

Hope that helps! :3

Step-by-step explanation:

IM MARKING BRAINLIEST
Valerie replaces one car alternator every 1.75 hours. She takes a 1-hour lunch break.



Which equation can be used to determine how many alternators she replaces in 8 hours?

Multiple choice question.
A)
1.75w−1=8
B)
1.75w+1=8
C)
18w−1=8
D)
18w+1=8

Answers

Answer:

A)

1.75w−1=8

Step-by-step explanation:

At noon Ada and Kent had gallons of lemonade left at their lemonade stand. The next 3/8 customer bought of the remaining lemonade.How much lemonade did the customer 1/3 buy?

Answers

Answer:

2

Step-by-step explanation:

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

What is the value of x?
Enter your answer in the box.
units

Answers

Answer:

x = 28

Step-by-step explanation:

ΔARP ≈ ΔCRD

42/x = 57/(10+x)

cross-multiply:

42(10+x) = 57x

420 + 42x = 57x

420 = 15x

28 = x

What is the perimeter of the composite figure?

Enter your answer in the box.
perimeter = yd

Answers

Answer: 38 yd. plz mark me brainliest

Step-by-step explanation: Square: 4+4+4+4=16 6+8+8=22 so 22+16=38 so 38 yd. plz mark me brainliest. (tap the crown on the bottom right of an answer) there has to be 2 answers if there is no crown and 2 answers then reload the page.

Answer:

in big TRAINGLE

by using Pythagoras law

other side =√(6²+8²)=10yd

perimeter of composite figure =6+4+4+4+4+10=32yd

Tools
Question 11
The table shows the relationship between y, the cost to rent a boat, and the amount of time the boat is rented,
Boat Rental Costs
Time, X Cost, v
(hours) (dollars)
1
3
5
80
7
104
Which graph best represents the relationship between x and y shown in the table

Answers

I think the answer is D

Please help and explain please. would appreciate it!

Answers

Answer:

area of ΔAPQ = 8 units²

Step-by-step explanation:

since the dimensions are 1/3 size, the area scale factor will be 1/9.

72/9 = 8 units²

Answer:

Step-by-step explanation:

A/4=72/12

A=4(72)/12

A=24 u^2

need help please 9× > 108​

Answers

Answer:

x > 12

Step-by-step explanation:

9x>108

x> 108/9

x > 12

Answer:

[tex] \boxed{ \tt{x > 12}}[/tex]

Step-by-step explanation:

[tex]9x > 108 \\ x > \frac{108}{9} \\ x > 12[/tex]

PLEASE HELP!!
Question 1 of 5
Solve the following equation for x using a table of values (nearest fourth of a unit), graphing technology, and successive
approximation (three iterations). The solution lies between x = -2 and x = -1.
x + 3 = 2 (- x - 1)
Select the correct order that shows the least accurate to most accurate method of approximation.
Lowest Accuracy: Table of values: x= -1.5
Intermediate Accuracy: Successive approximations: x-1.5625
Highest Accuracy: Graphing technology: x-1.543
O
Lowest Accuracy: Table of values: X~ -1.5
Intermediate Accuracy: Graphing technology: x -1.543
Highest Accuracy: Successive approximations: x-1.5625
O
Lowest Accuracy: Successive approximations: x= -1.5625
Intermediate Accuracy: Table of values: x-1.5
Highest Accuracy: Graphing technology: x -1.543
o
Lowest Accuracy: Graphing technology: x-1.543
Intermediate Accuracy: Successive approximations: x= -1.5625
Highest Accuracy: Table of values: x-1.5

Answers

Answer:

lowest accuracy: Table of values:x=-1.5

intermediate accuracy: successive approximate: x=-1.5625

Highest accuracy: Graphing technology: x=1.543

Step-by-step explanation:

i just did this question

please answer! will give brainliest :)

Answers

Your answer is 20,321.5+8707.37 which equals 29028.87 feet. Mount Everest is 29028.87 feet tall.

does the volume method length x width x height apply to all volume finding questions

Answers

Answer:

No.

Step-by-step explanation:

This only applies to solids like cubes and some prisms.

It does not apply to such solids are cylinders, pyramids, cones and triangular prisms.  It will apply to a prism whose cross-section is a rectangle.

12.6% of
RI 149 390bn​

Answers

Answer: RI 18,823.14

Step-by-step explanation:

I guess that we want to find the 12.6% of Rl 149,390

First, we assume that Rl 149,390 is the 100%

Then we can write an equation like:

Rl 149,390 = 100%

Then if the amount X is the 12.6%, we also have the equation:

X = 12.6%

Then we have the two equations:

X = 12.6%

Rl 149,390 = 100%

If we take the quotient between these two equations we get:

(X/Rl 149,390) = (12.6%/100%)

Solving this for X we get:

X =  (12.6%/100%)*(Rl 149,390) = RI 18,823.14

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