Mathematics High School

Will give brainliest, 15 points!

Danielle is keeping track of the amount of money in her lunch account. She starts with $36 in the account and uses 3 dollars every day for lunch. Which equation below could she use to track the amount of money in her account if M=the money in her account and d=the number of days?

M = 36 + 3d
M = - 3d + 36
M = - 36 + 3d
M = 3 + 36d

Answers

Answer 1

Answer:

M=-3d+36

Thank you! I hope you have fun in math, although personally I hate it.

Related Questions

(1/5 x 5)^5 help please

Answers

Answer:

=1

Step-by-step explanation:

i hope this helps :)

24% of what number is 6?

Answers

Answer:

6 is 24% of 25

Step-by-step explanation:

25
Ur welcome :)
Hope u have a good day

What is the perimeter of the triangle below?


O 30
015
0 42
O 35

Answers

The answer to this question is :42
Your welcome:)
The answer is 42
Hope this help?

2 ^ x - 12/2 ^ x is equal to -4​

Answers

Answer:

-3071/16

Step-by-step explanation:

Hope this helps, if you wrote it wrong or need help understanding please let me know!

4 3/8+ 2 7/12
Alguém sabe a resposta

Answers

Answer:

6 23/24

Step-by-step explanation:

First, find the least common factor of 8 and 12, the denominators.

8 16 24

12 24

24, is now the current denominnator,

8x 3 = 24

Now you go do it to the numerator, 3 x 3 = 9

9/24 + ?

Now, 12 x 2 = 24, do it to the numerator, 7 x 2 = 14

4 9/24 + 2 14/24

Now add the front numbers to make 6, than add the numerators and keep the denominator.

6 23/24, since you can not simplify this fraction, this is the answer.

Can someone please help me !!

Answers

Answer:

(3a + 2)(a + 3)

Step-by-step explanation:

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Answers

Answer:

3x^2-6x+3=0

x^2-2x+1=0

x^2-x-x+1=0

x(x-1)-(x-1)=0

(x-1)(x-1)=0

x=1,1

so x has only one answer

so it intersects only one time

Triangle ABC has vertices A (3,-3) B (-7,9) C (-11,3). Determine the point of intersection of the medians, and state the coordinates

Answers

Answer:

(-5, 3)

Step-by-step explanation:

Let O(x, y) be the centroid of the triangle.

The median of a triangle is a line segment that joins the vertex of a triangle to the midpoint of the opposite side. There are three medians in a triangle; and the medians of a triangle intersect at a point called the centroid.

The centroid of a triangle is gotten from the average of the x coordinates and the y coordinates of all the three vertices.

For Triangle ABC has vertices A (3,-3) B (-7,9) C (-11,3) and centroid O(x, y). Hence:

[tex]x=\frac{3 + (-7)+(-11)}{3}=-5\\\\y=\frac{-3 + 9 + 3}{3} =3[/tex]

The centroid is at (-5, 3)

For f(x) = x3-x2, which gives an output of 48?
A. f(-8)
B. f(-4)
C. f(4)
D. f(8)​

Answers

Answer:

4

Step-by-step explanation:

what's the answer ?

[tex] \frac{ \sqrt{225} }{ \sqrt{} 25} [/tex]
​

Answers

Answer:

Hello.....

15/5

Step-by-step explanation:

thanks

Answer:

3

Step-by-step explanation:

here's your solution

=>. first u have to find out the root of 225

which is 15

=> and also root of 15 which is 5

=> now,we have to divide 15 by 5

=> hence, answer is 3

hope it helps

Solve the equation w/2.5 = 9.

Answers

Answer:

w=45/2 or 22.5

Step-by-step explanation:

i hope this helps :)

Answer:

3.6

Step-by-step explanation:

In this division provlem, there is a variable. To find the value of the variable, you need to divide. What is 9 / 2.5? 3.6!

Round 0.731 to the nearest hundredth.

Answers

Answer: 0.73

Step-by-step explanation:

Answer:0.73

Step-by-step explanation: none the answer is right

3 2/3+ 5 1/2 .....................???​

Answers

Answer:

9 1/6

Step-by-step explanation:

t

Are these parallelograms congruent?
4 cm
6 cm
6 cm
9 cm
yes
no

Answers

Answer:

Step-by-step explanation:

Yes 6 over 9 simplifys to 2 over 3.

And 4 over 6 simplifys down to 2 over 3

Can I have brainliest please :D

solve for x
a) -11
b) -10
c) 11
d) 10

Answers

Answer: x = 10

Explanation:
4(10) + 11 = 51
5(10) + 1 = 51
The two angles are adjacent so they have to be equal

Hope this helps :)

What is the area of the polygon in square units?

​

Answers

Answer:

  (d)  80 square units

Step-by-step explanation:

As with many composite area problems, this can be worked any of several ways. The attached shows trapezoid ABCE, from which triangle CDE can be removed to get the desired area.

The relevant formulas are ...

  A = (1/2)(b1 +b2)h . . . . . . area of a trapezoid

  A= (1/2)bh . . . . . . . . . . . . area of a triangle

__

Here, the trapezoid has bases 12 and 2, and height 12, so its area is ...

  A = (1/2)(12 +2)(12) = 84 . . . . square units

The triangle has a base of 4 and a height of 2, so its area is ...

  A = (1/2)(4)(2) = 4 . . . . square units

Then the area of the desired figure is ...

  84 - 4 = 80 . . . . square units

HURRRRYYYYY


9d + 6e =

Answers

Answer:

9d+16.309691

Step-by-step explanation:

9d+(6)(2.718282)

=9d+16.309691

There should be evaluated numbers? If not this is your answer!!

Answer:

9d + 6e=9d + 6e

Step-by-step explanation:

Question
Type the forest answer in the box
A pack of 12 sedas costs $5,04 What is the unit rate in dollars per soda/
The unit rate in dollars per soda is

Answers

.42 would be your answer.

I need help with this expression 4(2x + 3) + 6x+9

Answers

Answer:

4(2x+3)+6x+9

8x+12+6x+9

14x+21 (answer)

A restaurant is working at 25 percent capacity and is allowed to have 150 people inside.
How many people will the restaurant be able to allow in when working at 100 percent?

Answers

Answer:

600 People

Step-by-step explanation:

25%= 150

25%x4=100%

150x4 = 600

64 fl oz = _ c
Plz answer

Answers

8oz= 1 cup
So 64oz= 8 cups

Filipe was playing with a triangle on a coordinate plane. The triangle's area is 24 square units. The largest circle he can fit in the triangle is centered at (0,0) and passes through the point (1.2,1.6) Approximately what percentage of the triangle does the circle cover?

Answers

Answer:

52.36%

Step-by-step explanation:

First, you need to find the radius of the circle. You can do this by using the Pythagorean theorem, which states a^2+b^2=c^2. In this case, a and b are equal to 1.2 and 1.6, and c is the radius of the circle. Plugging in we get 1.2^2+1.6^2=c^2 or 1.44+2.56=c^2 or 4=c^2. Finding the square root of both sides of the equation, we find that 2=c. Now that we have the radius, we can find the area of the circle. The area of a circle is expressed as πr^2, and plugging in 2 for r we get an area of 4π, or ~12.56637. Now all we do is divide 12,56637 by 24 and get what percentage of the area of the triangle the circle covers, which is roughly 0.5236, or 52.36%

( 7 x 5 ) ( 9 x 3 ) simplify

Answers

Step-by-step explanation:

(7 x 5) (9 x 3)

=(35) (27)

=35 x 27

=945

Answer:

If this is an expression, then 945

If these are invidual factors, then (35) (27)

Step-by-step explanation:

Situation one: Multiply the numbers. Paranthesis are not needed as multiplication is communitive, which leads me to believe they are factors written out in that form for some reason, cit. possibility two.

I need help finding the rate of Change please!

Answers

Answer: rise(y axis) over run (x axis)

rate of change/slope is 2x


The sum of two numbers is 68. Their difference is 15. Write a system of equations you could use to solve this problem.

Answers

Answer:

x+y=68

x-y=15

Step-by-step explanation:

A "sum" means that we will be using addition, while a "difference" indicates subtraction. Anytime we have two unknown numbers we generally use "x" and "y".

can you please help?

Answers

Answer:

pretty sure its C

Step-by-step explanation:

How do I find out the answer for this equation?
1/72 x 648

Answers

Answer:

The answer is 9

Step-by-step explanation:

Multiplying by 1/72 is the same as dividing by 72. When you multiply 648 by 1/72, think of it as multiplying

[tex]\frac{648}{1}[/tex] x [tex]\frac{1}{72}[/tex] which equals...[tex]\frac{648}{72}[/tex]. If you have a calculator, at that point, you can just divide 648 by 72. If not, you can use standard division.

Hope this helps!

Evaluate 18 + 2y, when y= 7

Answers

32 is your answer, you just multiply the 2 and 7 and then add the 18

Answer:

32

Step-by-step explanation:

18 +2(7).

2 x 7 = 14

18 + 14 = 32.

y=-2x+12
6y-x+6=0
The solution is:_______
(Type an ordered pair)

Answers

Answer:

(6, 0)

Step-by-step explanation:

i hope this helps :)

Marks books has an area of 48 in.². The perimeter of the book is 52 inches. what are the dimensions of the book

Answers

Answer:

dimensions of the book are 2 in. by 24 in.    

Step-by-step explanation:

I assume the book is a rectangle

Let w = the width

     l = the length

A = lw = 48         P = 2w + 2l = 52

                                   w + l = 26

                                          l = 26 - w

w(26-w) =48

26w - [tex]w^{2}[/tex] = 48

[tex]w^{2} - 26 w + 48 = 0[/tex]

(w-2)(w -24) =  0

w = 2    or   w = 24

                           if w = 2, then l = 26 - 2 = 24

                           if w = 24, then l = 26 - 24 = 2

So, the dimensions of the book are 2 in. by 24 in.    

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