Which expression is equivalent to -4 - 9?
A. 4 + 9
B. 4 - 9
C. -4 + (-9)
D. -4 + 9

Answers

Answer 1
answer: C. -4 + (-9)
Answer 2

Answer:

C

Step-by-step explanation:

-4-9= -13

-4 + (-9) = -13


Related Questions

100 POINTS ANSWER QUICK

Answers

Answer:

B. 20 kilometers

Step-by-step explanation:

I just added all of the "cm" and got 20 kilometers so yeahh im quite positive it is correct!

Answer:

B

Step-by-step explanation:

Solve the formula C = ud for d

Answers

Answer:

C/u = d

Step-by-step explanation:

Divide u in both sides

Answer:

if you meant rearrange then:

c=ud

divide both sides by u to get d on its own:

c/u=d

orrrr d=c/u

Write T times B times 3 as an expression

Answers

Answer:

[tex]3 (t * b)[/tex]

Step-by-step explanation:

Txbx3 expand-

3 (t * b)

*= times btw

Determine an expression for dy
dx given that x = sin3
(t)andy = cos3
(t)

Answers

Answer:

[tex]\frac{dy}{dx} =-\sqrt[3]{\frac{y}{x} }[/tex]

Step-by-step explanation:

Recall that using the chain rule we can state:

[tex]\frac{dy}{dt} =\frac{dy}{dx}*\frac{dx}{dt}[/tex]

and therefore solve for dy/dx as long as dx/dt is different from zero.

Then we find dy/dt  and dx/dt,

Given that

[tex]x=sin^3(t)\\dx/dt = 3 sin^2(t)* cos(t)[/tex]

And similarly:

[tex]y=cos^3(t)\\dy/dt=-3\,cos^2(t)*sin(t)[/tex]

Therefore, dy/dx can be determined by the quotient of the expressions we just found:

[tex]\frac{dy}{dx} =\frac{dy/dt}{dx/dt} =\frac{-3\,cos^2(t)*sin(t)}{3\,sin^2(t)*cos(t)} =-\frac{cos(t)}{sin(t)}[/tex]

now notice that we can find   [tex]cos(t) = \sqrt[3]{y}[/tex]  from the expression for y,

and   [tex]sin(t) = \sqrt[3]{x}[/tex]  from its expression for x.

Therefore dy/dx can be written in terms of x and y as:

[tex]\frac{dy}{dx} =-\frac{cos(t)}{sin(t)}=-\sqrt[3]{\frac{y}{x} }[/tex]

A is what percent of B?

A = 8 oz, B = 1.5 lb

Plz help fast. its ok if u cant but help plz

Answers

Answer:

%33.33

Step-by-step explanation:

start by converting the 1.5 lbs into oz. 16 oz go into one pound.

since .5 is equivalent to one half, divide 16 in two to get 8 and then add 8 to 16.

You should get that 1.5 lbs = 24 oz

now divide 24 by 8

24/8 = 3

this shows that 8 goes into 24 three times. If three eights go into 24, then three ones go into 3. You can use this information to make a simplified fraction which is easy to convert over to a percent.

1/3

an last but not least, convert it to a percent

1/3 = %33.33

i hope this helped! i'm bad at explaining things so sorry if it's hard to understand lol

The percentage is calculated by dividing the required value by the total value and multiplying it by 100.

Required percentage value = a

total value = b

Percentage = a/b x 100

If A = 8 oz and B = 1.5 lb

A is 33.33% of B

What is a percentage?

The percentage is calculated by dividing the required value by the total value and multiplying it by 100.

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

A = 8 oz

B = 1.5 lb

We know that,

1 lb = 16 oz

So,

A = 8 oz

B = 1.5 x 16 oz

B = 24 oz

Now,

Finding the percentage of A.

= 8/24 x 100

= 800/24

= 33.33%

Thus,

If A = 8 oz and B = 1.5 lb

A is 33.33% of B

Learn more about percentages here:

https://brainly.com/question/11403063

#SPJ2

Ms. Yost has 20 boxes of markers. She buys 420% more boxes. How many boxes will she have in all?

Answers

Answer:Ms. Yost has 20 boxes of markers. She buys 420% more boxes. How many boxes will she have in all?

Step-by-step explanation:

The required number of boxes of markers MS. Yost have is 104 boxes.

Given that,
Ms. Yost has 20 boxes of markers. She buys 420% more boxes. How many boxes will she have in all is to be determined.

What is arithmetic?

In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication, and division,

Here,
According to the question,
Total number of boxes = 20 + 420% of 20
Total number of boxes = 20 + 4.20 * 20
Total number of boxes = 20 + 84
Total number of boxes = 104

Thus, the required number of boxes of markers MS. Yost have is 104 boxes.

Learn more about arithmetic here:

https://brainly.com/question/11559160

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Solve 3(x - 5) = 2(x + 5)

Answers

Answer:

it should be x=25

-413.4=-15.9n please help

Answers

Answer:

[tex]\boxed {n = 26}[/tex]

Step-by-step explanation:

Solve for [tex]n[/tex]:

[tex]-413.4 = -15.9n[/tex]

-Switch sides:

[tex]-15.9n = -413.4[/tex]

-Divide both sides by [tex]15.9[/tex] and expand by multiplying both numerator and denominator by [tex]10[/tex]:

[tex]\frac{-15.9n}{-15.9} = \frac{-413.4}{-15.9}[/tex]

[tex]n = \frac{-4134}{-159}[/tex]

-Divide [tex]-4134[/tex] and [tex]-159[/tex]:

[tex]n = \frac{-4134}{-159}[/tex]

[tex]\boxed {n = 26}[/tex]

Therefore, the value of [tex]n[/tex] is [tex]26[/tex].

Find the greatest common factor of 13m^2 and 8m.

Answers

Answer:

i think its 1

Step-by-step explanation:

The greatest common factor is 1. I say this because one is the greatest number that divides evenly into all of them.

Subject: writing equations
Fake answers-reported cuz I’m rly tryna pass this shi.

Answers

Answer:

1) Y-6=-3/2(X-0)     2) Y= -3/2x+6   3) 3x+2y=12

Step-by-step explanation:

Select all of the trips that would take 2 hours.
1.Drive 60 miles per hour between Buffalo and Seneca Falls, which are 120 miles apart.
2.Walk 3 miles per hour to school, which is 1.5 miles away.
3.Take a train going 80 miles per hour from Albany to New York City

Answers

Answer:

#1 and #3

Step-by-step explanation:

if you divide the total distance between them you will get 60 for #1 and 80 for #3 if you multiply them both by 2 you get the total amount of miles for 2 hours

Answer:

1 and 3

Step-by-step explanation:

120 divided by 60=2

160 divided by 8=2

hopes this helps!! have a nice day!!

El extremo del diámetro de una circunferencia de centro A (7, - 6) es B (2,2); Hallar las coordenadas p (x, Y) del otro extremo.
Porfavor ayuda
Justificado la respuesta

Answers

Answer:

A

I think that ia the answer hoped thay helps

25 pounds of recyclable trash is % ? Of the barrel of 51 pounds of trash

Answers

Step-by-step explanation:

25÷100 as it is percentage and any thing percentage is ÷by 100. 25÷100×51=12.75

2/3-×+3/×+3=6x/x2-9​

Answers

hi there! if you're asking us to simplify this equation, here is my answer for you...

Answer:

x = 2.09716754…

hope this helped. have a good one!

Sidh is making fruit salad. His recipe calls for 3/4 pound of watermelon. He wants
to make 1/2 of the amount of fruit salad in the recipe. How much watermelon does Sidh need?

Answers

Answer:

3/8

Step-by-step explanation:

3/4 x 1/2 = 3/8

f(1)=-12, f(n)=2f(n-1)
find first 4 terms

Answers

First four terms are:   -12, -24, -48, -96

============================================

Explanation:

The notation f(1) = -12 tells us that the first term is -12.

The equation f(n) = 2*f(n-1) indicates that we're multiplying the (n-1)th term by 2 to get the nth term. Basically we multiply each term by 2 to get the next term.

-12*2 = -24

-24*2 = -48

-48*2 = -96

So the first four terms are -12, -24, -48, -96.

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

Alternative Approach

f(1) = -12 .... first term

f(n) = 2*f(n-1) ... nth term recursive formula

f(2) = 2*f(2-1) ... plug in n = 2

f(2) = 2*f(1)

f(2) = 2*(-12) ... plug in f(1) = -12

f(2) = -24 ... second term

f(n) = 2*f(n-1) .... resetting for the next computation

f(3) = 2*f(3-1) ... plug in n = 3

f(3) = 2*f(2)

f(3) = 2*(-24)  ... plug in f(2) = -24

f(3) = -48 .... third term

f(n) = 2*f(n-1) ... one more reset

f(4) = 2*f(4-1) .... plug in n = 4

f(4) = 2*f(3)

f(4) = 2*(-48) ... plug in f(3) = -48

f(4) = -96 ... fourth term

We get the first four terms to be -12, -24, -48, -96, which was the same as earlier.

Find the measures of Angles A,B, and C

Answers

Answer:

A = 102   B = 78   C = 56

Step-by-step explanation:

All three sides of a triangle added up equals 180.

So 41 + 37 + A = 180

A = 102

A straight line = 180 degrees.

One measurement is 102, so the other is 78.

You now know B is 78, and that 3 angles equal 180.

46 + 78 + c = 180

c= 56

HELP EMERGENCY!!!!!! What is the equation of the line?
Y=3x-1
Y=-3x
Y=3x+1
Y=3x

Answers

Answer:

By process of elimination, we can eliminate:

A: y = 3x - 1C: y = 3x + 1B: y = -3x

A and C don't work because the given line has it's y-intercept at the origin, therefore, no y-intercept is written. B is not it either because the line does not go down from left to right, therefore, the slope is not negative.

The answer is D: y = 3x because since the line goes up from left to right, the slope is positive, and the y-intercept is the origin, so the equation will have no b.

show that (x+5)(x+4)(x+3) = x^3+12x^2+47x+60

Answers

Answer:

g

Step-by-step explanation:

Answer:

its 543

Step-by-step explanation:

Math

what is the equation of the line that passes through (20, 500) and (16, 300) ​

Answers

hi there! here's my answer for you...

Answer:

y = 50x − 500

Explanation:

Use the slope formula and slope-intercept form y = mx + b to find the equation.

hope this helps. have a good one!

Solve the equation using the distributive property and properties of equality.

Negative 5 (a + 3) = negative 55

What is the value of a?

Answers

Answer:

6

Step-by-step explanation:

-5(a+3)=-55

-5a-15=-55

+15       +15

-5a=-40

/-5   /-5

a=6

Answer:

A = 8

Step-by-step explanation:

-5(a+3)=-55

-5a-15=-55

-5a=-40

-40/-5=8

a=8

when a pendulum swings, at which point is potential energy highest?

Answers

The bottom. Mark Brainliest

All of the angles of a triangle must add up to what measure?
180
90
45
360

Answers

180°. :)
All angles in a triangle sum to 180° proof.

In how many ways can the digits in the number 4,313,133 be arranged

Answers

Answer:

All of them can be arranged.

Step-by-step explanation:

Hope this helps. :D

Kyra is participating in a fundraiser walk-a-thon. She walks 2 miles in 30 minutes. If she continues to walk at the same rate, determine how many minutes it will take her to walk 7 miles. Do not include units (min) in your answer.

Answers

Answer:

105

Step-by-step explanation:

105

105. The average per mile is 15min. 15x7 is 105

HELP ME FOR BRAINLIEST

Answers

Answer:

4

Step-by-step explanation:

PEMDAS

Find the Unit Rate: If 10 30.5 oz containers cost $70 how much does one container cost?​

Answers

Answer:

$7

Step-by-step explanation:

70 / 10 = 7

Answer: $7.00

One container would cost $7 because if you can buy 10 for $70 you would have to solve

[tex]\frac{70}{10}[/tex]

Which equals $7.00

Please mark brainliest if correct :)

Heelllllppppppppp me please in neeeeed

Answers

1 is b, 2 is d, 3 is e, 4 is c, 5 is a

Andrea has 8 books on her summer reading list . She has read 5 out of the 8 books.what percent does she have left to read! Pls help ASAP!!

Answers

Answer:

3 percent because 8-5=3

Step-by-step explanation:

Answer:

37.5%

Step-by-step explanation:

Find the number of miles per hour in each of the following cases,
100 miles per hour 200 miles per hour 900 miles per hour
000 miles in 9 hours
9000 miles in 00 hours
100 miles in 5 hours

Answers

100 miles

100 miles

100 miles

100 miles 100 miles

100 miles ok?

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