Martin spent $300 from his savings account on a new bike. He also deposited $300 in his savings account that he earned from selling his used textbooks. Which integer represents the change in Martin's savings? A) $100 B $0
C. -100$ D. -$200​

Answers

Answer 1

Answer:

B

Step-by-step explanation:

a money account works in the same way as real things we can touch.

so, when I have 300 apples at a place (e.g. a grocery store), then I take away 300 apples, and then put again 300 apples there - how many apples will be there at that moment ?

we had 300 and took away 300.

300 - 300 = 0

at that moment we have 0 apples.

but then we put again 300 apples there.

0 + 300 = 300

so, we end up with 300 apples. the same number we started with.

and the same way for the savings account.

he takes out $300.

that means he has now $300 less on his account.

and then he adds $300.

so, he added exactly the same amount as he took out earlier, which means nothing else than that he undid his earlier action regarding his bank account.

so, his balance is now exactly the same as before he did the first transaction.

therefore the change is exactly : $0


Related Questions

The average volleyball player is 74 inches tall. What is the average height in meters?

Answers

Answer:

1.88 m

Step-by-step explanation:

74 ÷ 39.37 = 1.88m

1 meter = 39.37 inches

What numbers are 3 units from -2 on a number line?

A number line ranging from negative 10 to positive 10

Select from the drop-down menus to correctly complete the statements.

Answers

Answer:

1 is 3 units from -2 on a number line.

-5 is 3 units from -2 on a number line.

Step-by-step explanation:

Which fraction is equal to 0.98

Answers

The most simplified version of it is 49/50

Answer:

98/100

Step-by-step explanation:

The number after the decimal is the tenths place. And the second number after the decimal is in the hundredths place. And so on...

So .98 would be in the hundredths place making it 98/100.

If you want to simplify it even more, you would make it 49/50.

Hope that helped : )

Need help with 7 I don’t get it

Answers

C using Pythagorean theorem
Answer:

√97 units

Step-by-step explanation:

AB represents the largest side of the triangle so in order to solve for that side, use Pythagorean Theorem.

Pythagorean Theorem: a^2 + b^2 = c^2
where a = height b = base and c = the largest side

Step 1. Find the length of AC (represented as a)

Answer: 9 units

Explanation: either count how many units or use the distance formula

Step 2. Find the length of CB (represented as b)

Answer: 4 units

Explanation: either count how many units or use the distance formula

Step 3. Substitute a for 9 and b for 4 units in Pythagorean Theorem

9^2 + 4^2 = c^2

Step 4. Simplify the exponents

81 + 16 = c^2

Step 5. Solve for c^2

c^2 = 81 + 16

c^2 = 97

Step 6. Square root c^2

c = √97

There are two different paths Kate can take to school. One path is to kilometer
long. The other path is kilometer long.
100
Compare the lengths of the paths using <, =, or >
80

Answers

Answer:

The answer is 80/100 i think

Step-by-step explanation:

Because i was taught to always go with the greater number. Hope you don't get confused and good luck!!!

Reflect the line segment across the x-axis. Then, rotate it 90° clockwise. Finally,
translate it down 2 units. What is the relationship between the original line segment and the transformed line segment? If you
transform a line segment with a sequence of reflections, rotations, or translations, is it still a line segment?

Answers

Yes it’s still a line segment. The shape didn’t change in size.


5x^2 - x + 9 when x = -5

Answers

Answer:

139

Step-by-step explanation:

If x=-5

then

5*-5^2-(-5)+9

5*25+5+9

139

Answer: 139

Concept:

Here, we need to understand the idea of evaluation.  

When encountering questions that gave you an expression with variables, then stated: "If x = a, y = b, z = c" (a, b, c are all constants), this means you should substitute the value given for each variable back to the expression.

Solve:

Given information

5x² - x + 9

x = -5

Substitute value into the expression

=5(-5)² - (-5) + 9

Simplify exponents

=5 (25) + 5 + 9

Simplify by multiplication

=125 + 5 +9

Simplify by addition

=[tex]\boxed {139}[/tex]

Hope this helps!! :)

Please let me know if you have any questions

What is 1.83333333333 as a fraction?

Answers

Answer:

1 83/99

Step-by-step explanation:

This is how u do it

Answer:

[tex]\frac{183333333333}{100000000000}[/tex]

Step-by-step explanation:

1.83333333333 as fraction

we need to divide the fraction by the number of digits it have before decimal point to convert it to fraction

here we have 11 digits before decimal point so we need to divide it by 100000000000

so

[tex]\frac{183333333333}{100000000000}[/tex]

urgent answer needed pls​

Answers

Answer:

pi*z^2*a or "pizza"

Step-by-step explanation:

The dimensions given describe a cylinder, for which the basic volume formula would be base x height.

The base would be a circle, with the radius z as given while the height is a.

The formula for the area of a circle is pi * r^2, and our radius is z, so the area of a circle with radius z is pi * z^2.

Now, all we need to do is multiply by the height, a. This gives us a volume of pi* z^2 *a

Side note:

z^2 can be written as zz, so the actual area of the pizza could be represented by "pizza".

pls ans this q/a pls fast...
plssszzzz​

Answers

Answer:

[tex]x = - \frac{5}{22} [/tex]

Step-by-step explanation:

[tex]4 - \frac{2(x - 4)}{3} = \frac{3(2x + 5)}{2} [/tex]

➡️ [tex] 4x - \frac{2x - 8}{3} = \frac{6x + 15}{2} [/tex]

[tex] ➡️ 24 - 2(2x - 8) = 3(6x + 15)[/tex]

[tex] ➡️ 24 - 4x + 16 = 18x + 45[/tex]

[tex] ➡️ 40 - 4x = 18x + 45[/tex]

[tex] ➡️ - 4x - 18x = 45 - 40[/tex]

[tex] ➡️ - 22x = 5[/tex]

➡️ [tex] x = - \frac{5}{22} [/tex]

Solve the compound inequality graph the solution -2 is less than or equal to 2x - 4 is less than 4

Answers

1,4                                

pls give me brainliest thanks and 5 start have nice day I know this is correct.

Answer:

-2 ≤ 2x-4 < 4

(√17+3√48)-(√17-3√48)

Answers

Answer:

Step-by-step explanation:

[tex](\sqrt{17}+3\sqrt{48})-(\sqrt{17}-3\sqrt{48}) =\sqrt{17}+3\sqrt{48}-\sqrt{17}+3\sqrt{48}\\[/tex]

                                                 [tex]= \sqrt{17}-\sqrt{17}+3\sqrt{48}+3\sqrt{48}\\\\= 0 + (3+3)\sqrt{48}\\\\=6\sqrt{48}\\[/tex]

Now factorize 48

[tex]= 6\sqrt{2*2*2*2*3}\\\\=6*2*2\sqrt{3}\\\\=24\sqrt{3}[/tex]

On the real number line, point E is at –18 and point F is at –9. What is the distance between point E and point F ?

Answers

Answer:

-9

Step-by-step explanation:

Which of the following objects can best represent a PLANE?
A intersection of walls
B corner of a door
C point of a pen
D the ceiling

Answers

I think it’s D.The ceiling .

A goat is grazing outside of a rectangular barn that has dimensions 20 ft by 30 ft.
He's tied to a corner of the barn with a 12 ft rope. Find the grazing area of the goat.

Answers

Answer:

108π  ft² or  339.29 ft²

Step-by-step explanation:

Refer to attached picture.

The grazing area of the goat is 3/4 of area of circle with 12 ft radius:

A = 3/4(πr²) = 3/4(π*12²) = 108π  or  339.29 ft²

Tied to the corner

Means 1part among 4parts of circle or a quarter area

So grazing field

πr²-1/4πr²3/4πr²3/4(12)²π3/4(144)π108π339.3ft²

can someone please answer this for me -11p + 11p

Answers

Answer:

ooouuhhggg

Step-by-step explanation:

iiiiijhhhjjjhhjjjnnnnnnjjj

Answer:

0

Step-by-step explanation:

-11p + 11p

=> 0

The area of a square garden is 203 square feet. Estimate the side length of the garden.


its one of these

17 ft

16ft

14 ft

12ft

Answers

Answer:
14 ft
Explanation:
14.2478068488

????? what is the value of c?

Answers

Answer:

X=64°

Step-by-step explanation:

Solution,

x+54°=118° because the sum of two interior angles is equal to the opposite non adjacent exterior angle.

x+54°-54°=118°-54°

x=64°

Answer:

64 degrees

The Process:

54 is already a number that's not going to change, so that's fine. 118 is an outside angle, and a flat line is 180 degrees, so to find the inside angle, you have to do 180 - 118. Once again, there are 180 degrees in a triangle to you need to add 180 - ((180 - 118) +54) and you have the value of x.

Hello! Any help is appreciated (:

Answers

Y = x+1

Udbzjsjdbejdjjejejejdjejejejsjdjdjdjdjejejekieeu

Answer:

y = x + 1

Step-by-step explanation:

As x increases, y increases by 1. Therefore, the slope is 1. If we set x to 0, that'll make y equal 1. Therefore, the y-intercept is 1.

Simplify each expression

Answers

I believe the answer is this, but I do not know.

Sami orders cowboy hats online for a party. They cost $11.95 each with a shipping fee of $7.95.
Sami recently paid $223.05 for some cowboy hats.
Write an equation that to find the number of cowboy hats Sami ordered. Then find the number of
cowboy hats she ordered,

Answers

Answer:

223.05/x(11.95+7.95) 11.21.

Step-by-step explanation:

If each hat costs 11.95 plus a shipping fee of 7.95, you must add those numbers together. This makes the variable that will help indicate the number of hats ordered. Then you divide 223.05 by 19.9 (the total cost per hat) and you'll get your answer of 11.21 rounded.

Someone plzzz help me wit question

Answers

Answer:

x = 70

Step-by-step explanation:

To find the value of x we need to

we know that the figure is an isosceles triangle so the base angles will be equal

we also know that angle sum of triangle is 180

so

40 + x + x = 180

40 + 2x = 180

2x = 180 - 40

2x = 140

x = 140/2

x = 70

Please Explain Step By Step

Answers

Answer:

its hard i don't know

Step-by-step explanation:

very bad

very very bad

very much bad

bad

What are the two conditionals that form the statement below? Two numbers are reciprocals if and only if the product is one

Answers

The two conditional are:
1. Two numbers are reciprocals, if their product is one.
2. Two numbers are reciprocals only if their product is one.

But that #2 is another way to say
2. If two numbers are reciprocals, then their product is one.

This is how “if and only if” statements work, that knowing one side of the statement is true guarantees you know the other side is too and it has to work both ways.

Solve the system by the elimination method *
2x – 3y = 12
2x + y = 4

Answers

Answer:

4

Step-by-step explanation:

if the area of a right angle triangle with base 3 cm is 6cm find the height​

Answers

Answer:

A=1/2 Bh

6cm^2=1/2.3cm.h

12cm^2=3cmh

H=4cm

plssss help meeeee!!!!!!!!!!!!!!!!!!!

Answers

Answer:

b = -30

Step-by-step explanation:

-b/5 - 27 = -21

~Add 27 to both sides

-1/5b = 6

~Multiply -5 to both sides

b = -30

Best of Luck!

write 0.800 in simplest fraction form

Answers

8/10 is the answer :)

Answer:

8/10=4/5 ans=4/5

Step-by-step explanation:

0.8x100%

0.8x100/100=80/100

=8/10=4/5

Jacob is making fruit punch in a pitcher. He mixes 32 ounces of orange juice and 26 ounces of pineapple Julce. Then, he fills as many cups as he can
with 5 ounces of fruit punch in each cup.
How many ounces of fruit punch are left in the pitcher? Enter the answer in the box.

Answers

There will be three ounces remaining in the pitcher. 32+26=58/5=11.6 11*5=55 58-55=3

Answer:

3

Step-by-step explanation:

Zeke goes to a skate shop with his friend Tristan. Tristan buys a helmet that costs $28.75. Zeke finds a helmet that is
3
5
of the cost of Tristan's helmet. If Zeke gives the cashier a $20 bill, how much change will he receive?

Answers

Answer:

Zeke will receive $2.75.

Step-by-step explanation:

Helmet cost: (3/5) x 28.75 = $17.25

Gives = $20

20 - 17.25 = 2.75

Original question:

Zeke goes to a skate shop with his friend Tristan. Tristan buys a helmet that costs $28.75. Zeke finds a helmet that is (3/5) of the cost of Tristan's helmet. If Zeke gives the cashier a $20 bill, how much change will he receive?

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