can you help me with these please 30 points

Can You Help Me With These Please 30 Points

Answers

Answer 1

Answer: 1. densities

2. i don’t have the passage but i assume it to be A or D

3. it will sink so A

Step-by-step explanation:

the density must be lower than 1 g/cm3 for it to float


Related Questions

some please help!!!!!!!!!!!​

Answers

Answer:

its d you welcome

Step-by-step explanation:

you need -6 times 2 = 12 in absolute value

Answer: 12

Step-by-step explanation:

12/-1=12.000000

Show Your Work
Please help I’ll mark brainliest

Answers

Answer:

(c)

Step-by-step explanation:

3+2+4 = 9,  4+2= 6- 3= 3

Danny charges $30 for 3 hours of swimming lessons, Martin charges $44 for 4 hours of swimming lessons. Who offers a better deal?

Answers

Answer:

Danny

Step-by-step explanation:

danny has a better offer

The cost of a cab ride is $10 for the first mile or part of a mile. It costs $3 for each additional mile or part of a mile and all cab rides are less than six miles. The cost is modeled by the function C(m), where "m" is the number of miles. The driver's pay "P" is a function of the cost "C" and is modeled by P(C) = 0.60C. What is the domain of P(C)?

Answers

Answer: {10, 13, 16, 19, 22, 25}

Step-by-step explanation:

Cab ride cost for first mile = $10

Additional mile cost = $3

Therefore, the following cab cost for different miles are analysed:

Cab ride cost for first mile = $10

Cab ride cost for second mile = $10 + $3 = $13

Cab ride cost for third mile = $10 + $3 + $3 = $16

Cab ride cost for fourth mile = $10 + $3 + $3 + $3 = $19

Cab ride cost for fifth mile = $10 + $3 + $3 + $3 + $3 = $22

Cab ride cost for sixth mile = $10 + $3 + $3 + $3 + $3 + $3= $25

Therefore, th domain of P(C) will be equal to {10, 13, 16, 19, 22, 25}

Answer: B) {10, 13, 16, 19, 22, 25}

Step-by-step explanation:

angle is bisected, forming two new angles. If the original angle had a measure of 52° t is the measure of each new angle? Enter the number only. help asap​

Answers

The measure of each new angle is 26°

How do functions and slopes work i dont understand anything work?

Answers

Slope shows both steepness and direction. With positive slope the line moves upward when going from left to right. With negative slope the line moves down when going from left to right. If two linear functions have the same slope they are parallel.

The sequence -9,-15,-21,-27 is a
Arithmetic sequence or Geometric sequence

Answers

Answer:

Arithmetic sequence

Step-by-step explanation:

It's Arithmetic sequence, because it's basically the list of integers that can be added, or subtracted by a same number every time. So, according to the following sequence shown, it shows that it's subtracting by [tex]6[/tex] every time.

For what values of [tex]x[/tex] is the product [tex](x+5)(x-1)[/tex] positive? Explain.

Answers

Answer:

[tex]x<-5\text{ or } x>1[/tex]

Step-by-step explanation:

We have:

[tex](x+5)(x-1)[/tex]

And we want to find the value of x such that the expression is positive. So, we can write this as the following inequality:

[tex](x+5)(x-1)>0[/tex]

Solve for the inequality. First, we can solve for the zeros like a normal quadratic. So, pretend the inequality is with an equal sign:

[tex](x+5)(x-1)=0[/tex]

Zero Product Property:

[tex]x+5=0\text{ or } x-1=0[/tex]

On the left, subtract 5.

On the right, add 1.

So, our zeros are:

[tex]x=-5, 1[/tex]

Since our inequality is a greater than, our answer is an "or" inequality with our answer being all the values to the left of our lesser zero and all the values to the right of our greater zero.

So, our solution is:

[tex]x<-5\text{ or } x>1[/tex]

And we're done!

Answer:

The regions where (x+5) (x-1) >0 is x< -5  or x>1

Step-by-step explanation:

(x+5) (x-1) >0

First find the zeros

(x+5) =0    x-1 =0

x= -5      x=1

We then have to check the regions

x< -5              -5 <x<1                  x>1

First x< -5

(x+5) (x-1)

X+5 will be negative  ( x-1) will be negative

(-) * (-) = +  so the values will be positive

Then     -5 <x<1      

X+5  will be positive   ( x-1) will be negative

( +) * (-)  will be negative

First x>1

(x+5) (x-1)

X+5 will be positive  ( x-1) will be positive

(+) * (+) = +  so the values will be positive

The regions where (x+5) (x-1) >0 is x< -5  or x>1

Simplify 2x^7 times x^-4

Answers

Answer:

The answer is B

2x to the power of 3

Step-by-step explanation:

2x to the power of 7 minus 4 equals

2x to the power of 3

A = -3
B = -1/3
C = 1/3
D = 3​

Answers

Answer:

D

Step-by-step explanation:

The slope m is a measure of the rate of change

Calculate m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (0, - 4) and (x₂, y₂ ) = (1, - 1) ← 2 points on the line

m = [tex]\frac{-1+4}{1-0}[/tex] = [tex]\frac{3}{1}[/tex] = 3 → D

Select all the ratios that are equivalent to each other
A. 4:7
B. 8:15
C. 16:28
D. 2:3
E. 20:35

Answers

Answer: C. 16:28 & E. 20:35

Please mark as brainliest!

Answer:

Option A , Option E and Option C are the same.

Step-by-step explanation:

Option A :

[tex]4:7[/tex]

Can not be simplified further

Option B :

[tex]8:15[/tex]

Can not be simplified further

Option C :

[tex]16:28 \\ = \frac{16}{28} = \frac{4}{7} \\ 4:7[/tex]

Option D :

[tex]2:3[/tex]

Can not be simplified further

Option E :

[tex]20:35 \\ = \frac{4}{7} \\ 4:7[/tex]

Can not be simplified further

Pleaseeee helppppp!!!!

Answers

I think it C or D but if it’s not I am so sorry hope I helped

-4(b+3)-12=2b-16+5b tell each property used in each step to solve the equation​

Answers

Answer:

b= - 8/11

Step-by-step explanation:

-4b-24=7b-16

-4b-24+24=7b-16+24

-4b=7b+8

-4b-7b=7b+8-7b

-11b=8

-11b/-11 = 8/-11

b= - 8/11

is (-3,1) run over rise or rise over run?

Answers

Answer: i'm pretty sure coordinates are always rise over run but i'm not sure i would look it up

Step-by-step explanation:

Explain how you would solve for the value of x when you are given the solution to a function.

Answers

Answer:

Substitute

Step-by-step explanation:

Substitute the values given in the function

and you will get the answer.

P.s. It depends on the question

Susan earned $220 babysitting last week.

On Monday she earned $30 and spent $5.
On Tuesday she earned $35 and spent $25.
On Wednesday she earned $60 and spent $40.
On Thursday she earned $30 and spent $15.
On Friday she earned $65 and spent $25.
Note: Money earned is (+) and money spent is (-)

What is the absolute value of the difference between the money she made on Tuesday and the money she spent on Friday?

Group of answer choices

60

25

10

35
answer for free brainly

Answers

Answer

35-25 =15

65-25=45

Step-by-step explanation:

45-15=35   35 = answer

pls can i have that brainly

What is the slope of this question help???

Answers

Answer:

I would love to!

The slope is 3, or 3/1

Step-by-step explanation:

To find the slope, you have to count the rise over run. 3 over 1. The best way to find this, is to go up each unit until you see that the line touches an exact point. Once you find that, go over.

Answer:

y = 3x + 10

Step-by-step explanation:

When x=0, y = 10

When y=0, x = -3.3333333333333

Which expression is equivalent to 3(4x + 2/3) -7x + 3/8

Answers

Answer:

= 5x+ 19/8

Step-by-step explanation:

=12x+2-7x+ 3/8

=5x + 19/8

If h(x)=x2−3x+5, what is h(−3)?




23

5

-13

20

Answers

h(-3)= (-3)^2-3(-3)+5
9+9+5
23

Hope this helps!

how would i solve (4x 3 + 7y 3z 4) 2 ?

Answers

Answer:

=(4x*3+7z*3z*4)*2

=(12x +84z²) *2

ans =24x+168z²

Step-by-step explanation:

ur question is wrong i guess check it plzz

Why the following triangles are congruent!

Answers

Answer:

Because the sides BO and MA are marked with one line through the middle, which means those sides are congruent, angle A and Angle O are marked with one line, the angles are congruent, and angles W and N are marked with two lines, which means they are congruent. Therefore the triangles are congruent

i need help with this question

Answers

Answer:

Triangle ABC is congruent to Triangle DCB because of SSS

Step-by-step explanation:

1.)AB congruent to DC because of given.

2.)BD congruent to CA because of Given

3.)We can say that BC congruent to CB because of Reflexive property.

4.)Triangle ABC is congruent to Triangle DCB because of SSS(1,2,3)

If you could help me with the questions it would be greatly appreciated.

Answers

Answer:

I believe that number 1 is x=5

Step-by-step explanation:

Answer:

I believe that number 1 is x=5

Step-by-step explanation:

what is 0.4repeating as a fraction?

Answers

Answer:

11/25

Step-by-step explanation:

PEMDAS PLEASE HELPPPP!

Answers

Answer:

90xyz ÷xy

input the unknowns

x = 3, y = 5, z = 2

90*3*5*2 ÷ 3*5

2700 ÷ 15 = 180

Just to clarify, PEMDAS, is just an abreviation for:

P - Parentheses

E - Exponents

M - Multiply

D - Divide

A - Add

S - Subtract

These are called order of operations following which part of you're equation you solve first. Hope this helped :)

Students on an academic team took a test to enter a math competition. They could take the test twice. Some students improved their score, while others did not. The table shows the change in score for each student. Which student had the greatest overall change in his or her score?

Student Test Score Change
Joe –2
Nivea 3
Juanita 4
Li –3

Answers

Juanita had the largest change. (+4 points)

4.64 × 10^2 in standard form

Answers

Answer:

464

Step-by-step explanation:

Hope This Helps!

Determine whether the sum or product will be rational or irrational.
1. 10 + 0.01
Rational / Irrational

2. 12 + 0.05
Rational / Irrational

3. 15 +0.07
Rational / Irrational

4. 17 + 0.02
Rational / Irrational

5. 77 + 8
Rational / Irrational


Answers

Answer:

1. Rational

2. Rational

3. Rational

4. Rational

5.Rational

Step-by-step explanation:

Hey You seem don't understand the Rational numbers and Irrational numbers

I will give you the example here

Irrational numbers are the numbers that has des keep going forever, like Pi,

will but keep going forever and has NO PARTERN. if it was like 1.4141414141414141414141414.....   thats not a Irational numbers

where Rational number are like: 1,3,-1,7/10......

i think 4 is correct

Which side of triangle XYZ is the longest. x=62, y=55, and z=63

Answers

Z because 63 is larger than 55 and 62

Answer: XY should be the answer

Step-by-step explanation: A guess I took and got right

Jason kicked a soccer ball that was lying on the ground. It was in the air for 3 seconds before it hit the ground again. While the soccer ball was in the air it reached a maximum height of 30 ft. The height of the ball while in the air is the function of time.

Answers

Answer:

a) The domain is 0 < t < 3

The range is 0 < s < 30

b) The x-intercept are the times at the start and return of the ball to the ground

The y-intercept, is the starting height of the ball = 0

c) The axis of symmetry is the line t = 1.5, and the maximum function is the value of the height at the vertex of the parabola, they represent the turning point of the function

d) The rate of change of the function is therefore given by the derivative of function which is;

ds/dt  = d(14.715×t - 1/2×9.81×t²)dt = 14.714 - 9.81×t which is the velocity of the ball at time t

∴ ds/dt = 14.714 - 9.81×t

Which is the velocity of the ball at time t

Step-by-step explanation:

The duration the soccer ball was in the air = 3 s

The maximum height reached by the soccer ball = 30 ft.

Considering the vertical motion of the ball, we have;

v = u - gt

s = u·t + 1/2·g·t²

v² = u² - 2×g×s

Where;

v = The final velocity of the ball = 0 m/s

u = The initial velocity of the ball

g = The acceleration due to gravity = 9.81 m/s²

s = The height the ball reaches = 30 ft

Given that the time to maximum height = Half the total time it was in the air, we have;

v = u - gt

v = 0 at maximum height

u = gt = 9.81 × 3/2 = 14.715 m/s

The vertical velocity = 14.715 m/s

Therefore, we have;

s ≈ 14.715×t - 1/2×9.81×t²

a) The domain is 0 < t < 3

The range is 0 < s < 30

b) The x and y-intercept are;

x-intercept, s = 0, gives;

0 ≈ 14.715×t - 1/2×9.81×t²

From which we have, t = 0 or t = 3, which are the times at the start and return of the ball to the ground

The x-intercept are the times at the start and return of the ball to the ground

The y-intercept, t = 0, gives;

s = 14.715×t - 1/2×9.81×t² = 14.715×0 - 1/2×9.81×0 = 0

Therefore, at the time t = 0 the ball is lying on the ground, height = 0

∴ The y-intercept, is the starting height of the ball = 0

c) The axis of symmetry is the line t = 1.5, and the maximum function is the value of the height at the vertex of the parabola

They represent the turning point of the function

d) The rate of change of the function is therefore given by the derivative of function which is;

ds/dt  = d(14.715×t - 1/2×9.81×t²)dt = 14.714 - 9.81×t

∴ ds/dt = 14.714 - 9.81×t

Which is the velocity of the ball at time t.

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