just some math problems

Just Some Math Problems

Answers

Answer 1

9514 1404 393

Answer:

  (min, max) are exact or rounded to thousandths, so you can round as may be required

  5.  (10.607, 14.229)

  6.  (-1.586, -0.764)

  7.  (4, 5.211)

  8.  (-3.5, -2.342)

Step-by-step explanation:

Given:

  the attached function definitions and intervals

Find:

  the minimum and maximum on the given interval

Solution:

In a couple of cases, the coefficient of x is negative, indicating the basic square root function has been reflected over the y-axis. That will put the maximum at the left end of the interval, instead of the right end, where it would otherwise be.

__

5. minimum: f(3.5) = 5√(3.5+1) +1 = 5√4.5 +1 = 10.607

  maximum: f(6) = 5√(6+1) +1 = 5√7 +1 = 14.229

__

6. minimum = f(-2) = √(-(-2)) -3 = √2 -3 = -1.586

  maximum = f(-5) = √(-(-5)) -3 = √5 -3 = -0.764

__

7. minimum = f(-6) = 2√(3 -(-6)) -2 = 2√9 -2 = 4

 maximum = f(-10) = 2√(3 -(-10)) -2 = 2√13 -2 = 5.211

__

8. minimum = f(0) = (1/2)√(0 +1) -4 = -3.5

  maximum = f(10) = (1/2)√(10+1) -4 = (1/2)√11 -4 = -2.342


Related Questions

Solve for J MUST SHOW WORK
j/-2 + 7 = -12

Answers

Answer:

j/-2+7=-12

subtract 7 from both sides

whcich cancels the 7 on the LEFT side

j/-2=-19

multiply both sides by 2

which cancels the -2 on the LEFT side

j=-38

wanted the points for it, bc i actually tried

Step-by-step explanation:

Solve for c.
8
ge-2
=
co!
2
C-12

Answers

Answer:

-5

Step-by-step explanation:

8/3c-2=2/3c-12

first we'll do the LCM of both sides denominator 3 and 3=3

and multiply this with both side

3×8/3c - 2×3= 3×2/3c - 3×12

8c-6= 2c-36

8c-2c=-36+6

6c=-30

c=-30/6

c= -5

Do the brainly bois got me?

Answers

Answer: It think that 3 is adjacent to 5

Question 1. Noah has $5.
a. Elena has 40% as much as Noah. How
much does Elena have?

Q2. Compare Elena’s and Noah’s money using fractions

Answers

Answer:

2

Step-by-step explanation:

Benny went to an arcade where every player gets 2 tokens as they arrive. Each time Benny plays a game he wins additional tokens. The number of games, X, and the total number of tokens Benny has, y.
are represented in the table below.
Complete the table AND write a function rule to represent how many tokens Benny has based on the number of games he plays
Drag and drop an answer choice in each my box below
2 4 6 8 10
10

Answers

Answer:

y = 2x + 2

Step-by-step explanation:

just trust me i took test and it had this question on it lol

Ariel is decorating a wall for her niece's birthday. She uses 3 sunflowers for every 5 roses. When she finished decorating, she used a total of 21 sunflowers. How many roses did Ariel use to decorate the wall for her niece's birthday

Answers

Answer:

divide 21 by 3=7

7 x 5  = 35

Answer = 35 roses

Step-by-step explanation:

Pls help 20 points pls pls hurry I’m timed

Answers

Answer:

its D,

Step-by-step explanation:

1/4 is 25%

then 3/4 is 75%.

so 1/4 (25%) is how much jazz songs he has.

James was working on his school homework for 2 hours. He spent 1/3 of this time working on math, and 1/4 of the rest of the time doing reading. How many minutes did James do math?

Answers

2 hours = 120 minutes

120/3 = 40

= 40 minutes

PLEASE HELP THANKS!!!

Answers

Answer:

You first need to know what number 6 4/5 is, which is 6.8. To figure it out, you multiply 6 by 5 then add 4 and put the number you get on top of the fraction so it would be 34/5 = 6.8

6.9 is the answer

6.9 is bigger than 6.8 and smaller than 7

How much interest will you earn on a $90 investment at an interest rate of 3.6% over 5 months?

Answers

Answer:

well ik Yearly it would be 93$ and monthly it would be 93$

Step-by-step explanation:

It is important to remember that these scenarios are hypothetical and that future rates of return can't be predicted with certainty and that investments that pay higher rates of return are generally subject to higher risk and volatility. The actual rate of return on investments can vary widely over time, especially for long-term investments. This includes the potential loss of principal on your investment. It is not possible to invest directly in an index and the compounded rate of return noted above does not reflect sales charges and other fees that investment funds and/or investment companies may charge.

Daria is constructing a line perpendicular to line f. Below is her partial construction.
Through which point does the line pass?

Answers

Answer:

its c

Step-by-step explanation:

It’s very urgent pppppllllllzzzzzzzz
Help!!!❤️

Thkk

Answers

Answer:

6

Step-by-step explanation:

mark brainliest...........

Answer true/false. If false, give a counterexample. 11. Perfect squares are closed under multiplication.

Answers

Answer:

so basically thanks for the points mate

Step-by-step explanation:

Answer:

Step-by-step explanation:

it is false because it isnt counterfit for the cenementers

please help due by midnight

Answers

There is a blank screen
What do you need help with?

Emilie rides her bike x miles before she gets a flat tire. She walks 1/3mile to a bus stop and then takes a bus for 2 1/2miles. Which expression shows how many miles Emilie travels in all?

Answers

Given :

Emilie rides her bike x miles before she gets a flat tire.

She walks 1/3 mile to a bus stop and then takes a bus for 2 1/2 miles.

To Find :

Which expression shows how many miles Emilie travels in all.

Solution :

We know, total distance covered is given by sum of all the distance she travelled.

Distance covered, D = x + 1/3 + 2 1/2

D = x + 1/3 + 5/2

D = (6x + 2 + 15)/6

D = (6x + 17)/6

Therefore, total distance travelled by Emilie is (6x + 17)/6 .

Juan took a test last week. He answered 17 questions correctly which is 85% correct. How many total questions were on the test?

Answers

Answer:20 questions I believe

Step-by-step explanation:

Answer:

20

Step-by-step explanation:

17 divided by 85%

TRUE

OR FALSE

OR NOT ENOUGH INFORMATION



WORTH 50 POINTS AND BRAINLIST

Answers

Answer:

true

Step-by-step explanation:

please the second probability is true

Answer: I believe it's False

Hope this helps love<3

WHOEVER ANSWERS FIRST GETS BRAINLIEST AND I NEED AN EXPLANATION PLZ

Answers

1:you add the numbers 2:you have to the distribute property

Answer:

Q7: -4 ; Q8: 2.6x + 8

Step-by-step explanation:

For the first one, since they are like terms, you can just normally subtract:

3x - 7x = -4x

Its a negative since 3 - 7 = -4 not positive 4.

You did question 8 correctly.

what this means help

Answers

Answer:

1 is -2 and 2 is +5

Step-by-step explanation:

Its how Mafia

It means you have to write the opposite of a number
For example: -9 is the opposite of positive 9
And positive 2 is the opposite of -2

The answer of this problem is -2 and positive 5

16.43 + 18.64 anyone know???

Answers

16.43 + 18.64 = 35.07

Hope it helps!

I need help with this question.

Answers

Answer:

Step-by-step explanation:

the perimeter, P

P=sum of all sides

P=x+x+3+2x-5=4x-2

choice D

Chloe works for an estate agent. Her monthly pay is made up of a salary of £1,600 and a bonus of £300 if she sells at least 2 properties. She is also paid 6% of the agency's annual profit at the end of the year. Last year the agency had an income of £436,000 and costs of £380,000. There were 4 months in which Chloe sold 2 or more properties. What was Chloe's total pay last year?

Answers

Answer:

22,860

Step-by-step explanation:

she makes 1600 per month x 12 months = 19,200

she sold more than 2 properties during the year so add 300

company profit = 436,000 - 380,000

                         = 56,000

6% of 56,000 = 3,360

add:  19,200 + 300 + 3360

The given formula can be used to determine the volume (V) of a cylinder.
V= Bh = area of base x height
Which of the following is the best approximation of the volume of the cylinder below?

Answers

Step-by-step explanation:

it seems the answer is c. 3514 in3

Approximate value of the volume of cylinder is equals to 3514 in³.

What is volume?

"Volume is defined amount of space occupied by any 3 dimensional body. It is useful to represents the capacity of any object ."

Formula used

Area of the base = πr²

Volume of a cylinder = area of the base × height

                                    = πr²h

Value of π = 3.14

According to the question,

Diameter of cylinder = 11 in

Radius (r)  = Diameter / 2

                = 11 / 2

                = 5.5 in

Height (h) = 37 in

Substitute the value in the formula we get,

Volume of cylinder = 3.14 ×(5.5)² × 37

                               = 3514.445 in³

                               ≈ 3514 in³

Hence, approximate value of the volume of cylinder is equals to 3514 in³.

Learn more about volume here

https://brainly.com/question/1578538

#SPJ2

47.94 + x = 52.8

A.4.96
B.99.64
C.4.86
B.100.74

Answers

B is da answerrr.correct me if I’m wrong

8. Graph the following linear equations.
a. 3x+5y=15

Answers

Answer:

slope: -3/5

y-intercept (0,3)

x    -      y

0          3

5          0

Step-by-step explanation:

I just did it

Find the length of arc AB

Answers

Answer:

OH HELL NO!

Step-by-step explanation:

Answer:

[tex] m\widehat {AB} = 144\degree [/tex]

[tex]m\widehat {ACB} = 216\degree [/tex]

Step-by-step explanation:

Let the measures of the given arcs be 2x and 3x.

[tex] \because m\widehat {AB} \:\&\: m\widehat {ACB} [/tex] sums up to form a circle.

Therefore,

2x + 3x = 360°

5x = 360°

x = 360°/5

x = 72°

2x = 2*72 = 144°

3x = 3*72° = 216°

[tex] \therefore m\widehat {AB} = 144\degree [/tex]

[tex] \& m\widehat {ACB} = 216\degree [/tex]

Plzzzz need help ASAP plsss

Answers

Not a function b/c for the vertical line test it must go through it once

Martin has a bag of marbles. He removed one marble at random, recorded the color and then placed it back in the bag. He repeated this process several times and recorded his results in the table. Find the experimental probability of drawing each color.

Red: 12
Blue: 10
Green: 15
Yellow: 13

What are two different ways you could find the experimental probability of the event that Martin does not draw a red marble?

Answers

Answer:

38/50 ; or 19/25

Step-by-step explanation:

One way could be that you add all the marbles together to get your total marbles; 12 + 10 + 15 + 13 = 50.

Then you add all the colours expect red; 10 + 15 + 13 = 38.

Which would give me 38/50; which simplifed would be 19/25

Mary is twice as old as her brother Zane.Zane is four years less than twice as old as his cousin chase.If chase is 4 years old,how old is Mary?

Answers

Answer:

Mary is 8 and that Zane and Chase are both 4 years old.

Step-by-step explanation:

For this equation, we will say Mary = M, Zane = Z, and Chase = C.

We will now convert the word problem into equations.

[tex]2m = z, 2c - 4 = z, c = 4[/tex]

Now I will solve the equations by putting C into the equation.

[tex]2(4) = 8, 2(4) - 4 = 4, c = 4[/tex]

So we can see that Mary is 8 and that Zane and Chase are both 4 years old.

Please help me with this..!

Answers

Answer:

opposite sides are congruent for first under given

AD=AD for reflective property of congruency

next one under given is definition of perpendicular lines

and last box is acd=bdc

Step-by-step explanation:

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