Write an exponential function in the form y = ab" that goes through points (0,2)
and (3, 128)

Answers

Answer 1

Answer:

y = 2(4)^x

Step-by-step explanation:

y = ab^x

Plug in the values:

2 = ab^0

128 = ab^3

128/2 = ab^3/ab^0

64 = b^3

b = 4

2 = a(4)^0

a = 2


Related Questions

What the answer for y? Please help...

Answers

Y= any of the numbers given in the y area

Answer:

y = 0.02

Step-by-step explanation:

You can see in the table that there is only one value which represents only y, (0, 0.02) since x is 0.

Hope this helps and stay safe, happy, and healthy, thank you :) !!

Joe paid $51.25 for 5 movie tickets. Each ticket cost the same amount. What was the cost of each movie ticket in dollars and cents?

Answers

Answer:I don’t know

Step-by-step explanation:

Answer:

$10.25

cents 1025    not sure of it

Step-by-step explanation:

please help i really need it

Answers

Answer:

D

Step-by-step explanation:

This equation is in factored form. Meaning you can find the x intercepts of the graph from it. All you need to do is find reverse the numbers inside the parentese. So if its negative, make it positive, if its positive, make it negative. By doing this, you should find that the x-intercepts of this graph are 2 and 3 and the donly graph with x-intercepts at these places is graph d.

Please help asap no wrong answers pls

Answers

Answer:

x = 20

Step-by-step explanation:

x° + 2x° + (x + 10)° = 90° ( complementary angles)

(4x + 10) ° = 90°

4x + 10 = 90

4x = 90 - 10

4x = 80

x = 80/4

x = 20

Answer:

20°

Step-by-step explanation:

#thanks me late,thankyou

Help me I don't get it 10 points + brainliest

Answers

V=2143.6
V=4/3*3.14*8^3
V=4/3*3.14*512
V=4/3*1607.7
V=6430.8/3
V=2143.6

if i got shorts for 30 dollars and the original price was 40 what was the discount​

Answers

Answer:

25%

Step-by-step explanation:

30/40 = 0.75 = 75% paid

100-75 = 25% discount

Answer:

[tex]25\%[/tex]

Step-by-step explanation:

To find the discount of an object, one must set up the equation, the difference between the original and the paid price, over the original price, equals percent over 100. In essence;

[tex]\frac{(original-paid)}{original}=\frac{percent}{100}[/tex]

Substitute in the given values;

[tex]\frac{(40)-(30)}{40}=\frac{percnet}{100}[/tex]

Solve;

[tex]\frac{10}{40}=\frac{percent}{100}[/tex]

Simplify,

[tex]\frac{1}{4}=\frac{percent}{100}[/tex]

Cross products,

[tex]100 = 4(percent)[/tex]

Inverse operations,

[tex]100=4(percent)\\/4\\\\25 = percent[/tex]

I am confusion!!!!!!!!

Answers

answer: 8

2/5 = 4/10 because 2(2)=4 and 5(2)=10

therefore, x+2=10

to get x alone, subtract 2 on both sides because this will cancel out the 2

x=8

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Question Progress
Homework Progress
8/ 46
There are 48 cards in a pack and each card is either red or black.
The ratio of the number of red cards to the number of black cards is 1:1
8 red cards are removed from the pack.
Find the ratio of the number of red cards now in the pack to the number
of black cards now in the pack.
Give your answer in its simplest form.
I​

Answers

Answer: 2:3

Explanation:
Pack = 48 48/2 = 24
Red = 16 24/16:24/24
Black = 24 1,5:1

Answer:

2:3

Explanation:

Pack 48                          48/2 =24

Red= 24                      24/24 : 24 / 24

Black = 24                            1:1

----------------------------------------------------------------

Pack 48                        48/2 = 24    

Red= 16                     24 / 16 : 24 / 24

Black= 24                    

16:24

4:6

2:3

The measures of the three angles of a triangle are given by 4x -1, 2x + 1, and 6x. What is the measure of the largest angle? A 15° B 31° C.59° D. 90°​

Answers

Answer:

D. 90°

Step-by-step explanation:

6x + 4x - 1 + 2x + 1 = 180

12x = 180

x = 15

6x = 6 * 15 = 90

Answer: D. 90°

The low temperature on Wednesday was –15°F. What was the absolute value below zero for the temperature on Wednesday?
A)-15
B)0
c)15
D)30

Answers

Answer:

C. 15

Step-by-step explanation:

Absolute value is just how far away the number is on the number line and is always positive.

In a survey of 706 parents with kids 4 to 8 years old. 346 say that they know their state booster seat law. Construct a 90% confidence interval for the population proportion.

Answers

Answer:

(0.46, 0.52)

Step-by-step explanation:

The formula for Confidence Interval with Proportion

CI = p ± z × √p(1 - p)/n

Where

p = Proportion = x/n

x = 346

n = 706

p = 346/706

p = 0.49

z = z score of Confidence Interval 90% = 1.645

Therefore:

CI = 0.49 ± 1.645 × √0.49(1 - 0.49)/706

CI = 0.49 ± 1.645 × √0.49 × 0.51/706

CI = 0.49 ± 1.645 × 0.0188139843

CI = 0.49 ± 0.0309490042

Hence:

Confidence Interval is

0.49 - 0.0309490042

= 0.4590509958

≈ 0.46

0.49 + 0.0309490042

= 0.5209490042

≈ 0.52

Therefore , the confidence interval of the population proportion is

(0.46, 0.52)

WILL GIVE BRAINLIEST!
The Ride for Health Bicycle Club has chosen a 36-mile course for this Saturday's ride. If the riders plan on averaging 12 mph while they are riding, and they have a 1-hour lunch break planned, how long will it take them to complete the trip?
hr

Answers

Answer:

4 hours

Step-by-step explanation:

It is 4 hours because you do 36 divide by 12 which is 4, Then you do 4x1= 4

What is the opposite and the absolute value of 3?
The opposite of 3 is 3. The absolute value of 3 is 3.

The opposite of 3 is -3. The absolute value of 3 is 3.

The opposite of 3 is 3. The absolute value of 3 is -3.

The opposite of 3 is -3. The absolute value of 3 is -3.

Answers

The opposite of 3 is -3 and the absolute value of 3 is 3. Hope this is helpful:)

Answer:

Option D) The opposite of 3 is -3. The absolute value of 3 is -3.

Step-by-step explanation:

On a number line, if you go three to the right from 0, you get 3. But if you go the same amount to the left of 0, you would get -3. I can't think of any other way to explain the opposite. The absolute value is usually the same number but the absolute value is usually the same number, but it's opposite.

I hope i explained that well and that you do well on your test!

In HIJ, the measure of J=90°, HI = 65 feet, and IJ = 31 feet. Find the measure of
H to the nearest tenth of a degree.

Answers

Answer:

28.5

Step-by-step explanation:

28.5 delta said it was correct

help me please i appreciate it.

Answers

Answer:

c

Step-by-step explanation:

because all the three laws are applicable for polygons

Please help! I need this fast
Rhett decides to build a square room for his movie and music collection. If the area of the room is 4x2 + 28x + 49 square feet, what is the length of one side of the room?

(7x + 2) feet
(2x + 7) feet
(2x − 7) feet
(7x − 2) feet

Answers

Answer:

(2x + 7) feet

Step-by-step explanation:

I'm guessing the expression there is

4x² + 28x + 49

4x² +14x +14x +49

Factorize

2x ( 2x + 7) +7( 2x + 7)

(2x + 7)²

Area = (side)1

One side is (2x +7)

if you answer this you are a certified cool kid

Answers

Answer:

60

Step-by-step explanation:

Im too lazy

180-117=63

3y+12+63+4y=180

7y+75=180

7y=105

y=15

4(15)=60

Can i get brainliest?

Answer:

<A=60

Step-by-step explanation:

3y+12+4y=117

solve for y (y=15),

then fill in 4(15)

Enter the product.
27
X 7

Answers

Answer:

189

Step-by-step explanation:

7 x 27 = 189

A product is the result of a multiplication problem.

27 * 7 = 189

Your answer: 189

Write the equation of the absolute value function y = 3|x| translated right 8 units and up 1 unit.

Answers

Answer:

Step-by-step explanation:

y=3|x|, shift right 8 units

y=3|x-8|, shift up 1 unit

y=3|x-8|+1

there's the question :))​

Answers

Answer:

Should be A

Step-by-step explanation:

You going back 3 spaces but than having that three be divided by a positive so it's going to keep going because a negative will make a negative so that positive will be turned into a negative. -3 - 1.5 = -4.5

Anyone know the answer to this problem (find the values of x and y)

Answers

Answer:

y = 8

x = 4

Step-by-step explanation:

This is a special right triangle with angle measures of 90 60 30 and the side lengths are represented by a - a√3 - 2a

The side length that sees angle measure 30 is a

The side length that sees angle measure 60 is a√3

The side length that sees angle measure 90 is 2a

if the side length that sees angle measure 60 is given as 4√3 then that means a = 4

so x = 4 and 2x = 8

PLEASE HELP ME ASAP(WORTH 30 POINTS). If the domain is {0, 2, -6}, what is the range of y = -2x + 3?

Answers

Answer:

Range = {3, -1, 15}

Step-by-step explanation:

Domain = {0,2,-6}

function : y= -2x + 3

We replace the value of x with domain,

when x = 0

y = -2 × 0 + 3

y = 3

When x = 2

y = -2 × 2 + 3

y = -1

When x = -6

y = -2 × -6 + 3

y= 12 + 3

y = 15

Si los conjuntos:


K = {a; x + y}


L = {a + 1; x – y}


Son iguales, halla el valor de ( x - a) a la 2Y

Answers

It’s the second one as it’s real

Sydney ran 4 miles in 1 hour and 20 minutes. What was Sydney's average speed in miles per minute?

Answers

.05 miles per min i believe

Can you please help me

Answers

Here’s the answer and each step I took to solve it. With the example I made on the side just continue to repeat that for each one to get the answers. You just replace that one number for the X to take the place for the next X value as you go down the table solving them.

In triangle PQR, angle P and R are complementary angles where cos P =(0.3) what is the measure in degrees of angle R round to the nearest tenth

Answers

Answer:

[tex]R = 17.5[/tex]

Step-by-step explanation:

Given

P and R are complementary

[tex]Cos\ P =0.3[/tex]

Required

Find the measure of R

[tex]Cos\ P =0.3[/tex]

Take arccos of both sides

[tex]P = cos^{-1}(0.3)[/tex]

[tex]P = 72.5[/tex]

Since P and R are complementary, then:

[tex]P + R = 90[/tex]

Make R the subject

[tex]R = 90 - P[/tex]

Substitute values for P

[tex]R = 90 - 72.5[/tex]

[tex]R = 17.5[/tex]

Solve by taking square roots x 2 - 2 = 79

Answers

Answer:

9

Step-by-step explanation:

x^2 - 2 = 79

The first step is to get rid of the 2 on the left side. You do this by adding two on both sides. You should then get x^2 = 81.

Now, you have the just take the square root of 81, which is 9.

Mia bought 2 adult tickets and 4 kid's tickets. Each adult ticket cost $13.50 and each kid ticket cost $10.25. How much did Mia spend on tickets

Answers

Answer:

Mia spent 68 dollars.

Step-by-step explanation:

The equation would be 2(13.50) + 4(10.25) = x

Solving for the first part, you get 27 for adult tickets and 41 for the children tickets. When you add the two values, you get 68.

she spent $68, $27 on the adult tickets and $41 on the kids tickets

Can someone help me with this one!!

Answers

1507.96447
V=n r€%21
You find the total volume :
V= pi x r^2 x h
V = 7680 pi or 24127.43 cubic centimetres

Then find the small ones
V = pi x r ^2 x h
V= 480 pi or 1507.96 cubic centimetres

Then subtract
The volume that you are searching for : 7680pi - 480 pi = 7200 pi or 22619.46 cubic centimetres

Find the solution for the equation and check it.
n-3=-1
Solution:
Check:

Answers

Answer:

n = 2

Step-by-step explanation:

-1 + 3 = 2

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