Mathematics High School

Which problem is modeled?

0.8 – 0.5 = 0.3
0.08 – 0.03 = 0.05
0.8 – 0.3 = 0.5
0.08 – 0.05 = 0.03

Answers

Answer 1

Answer:

The answer is 0.8-0.3=0.5.

Related Questions

Is my answer right? I think it’s A, but I don’t want to get it wrong.

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The answer is 16 if you solve it, because the square root of 64 is 8 and 2 * 8 = 16

If -11 + N = -11, then N is the
o multiplicative inverse
O additive inverse
O additive identity
o multiplicative identity

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Answer:additive inverse

Step-by-step explanation:

If I said that in three days' time it would be a Thursday, I am sure that most of you would have no difficulty telling me that today was a Monday.

Try this one then. Yesterday was two days before Monday. What day is it today? Yes, you're right again. It's Sunday. Do you get the idea?

Now let's tackle a similar question from The National Mathematics Contest (1991) Paper:

Three days ago, yesterday was the day before Sunday. What day will it be tomorrow?
PLEASE HELP

Answers

Answer:

thursday

Step-by-step explanation:

-12 = 2 + 5y + 2y
Can you me do the work

Answers

Answer:

-2 =y

Step-by-step explanation:

-12 = 2 + 5y + 2y

Combine like terms

-12 =2+7y

Subtract 2 from each side

-12-2 = 2+7y-2

-14 = 7y

Divide each side by 7

-14/7 = 7y/7

-2 =y

What is the solution to the situation below? The sum of three consecutive integers is 42

Answers

Answer:

13,14,15

Step-by-step explanation:

let the first number be n

The next 2 consecutive numbers will be

n+1 and n+2

Sum of these numbers is 42

n+ n+1+n+2=42

Combine like terms

3n+3=42

3n=42-3=39

n=39/3=13

what is the21st term of -3,2,7

Answers

Answer:

102

Step-by-step explanation:

The first step is to find out how to find the next number in the term.

In this we can see that to get to the next number in the term we need to add 5.

The easiest way to figure out the 21st term of this, would be to multiply 5×21. This is equal to 105.

But since we started at three less than 5, we need to subtract 3 from 105. 105-3=102.

The 21st term is 102.

arithmetic sequence formula
an=a1+d(n-1)
-3+5(n-1)
-3+5n-5
5n-8
a21=5(21)-8
a21=97

Does this equation has one solution, no solution, or infinitely many solutions? 2(x + 2) =2x - 8 Question

Answers

Answer:

no solution

Step-by-step explanation:

2(x + 2) = 2x -8

2x+4 = 2x-8

2x - 2x =-8 - 4

0 = -12

if the numbers r not the same on both right and left side it have no solution.

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for any question comment me

for the given points a(-4 6) and b(6 -4) find the slope of a line through points A and B

Answers

Answer:

the required slope of the points is -1...

In right triangle ABC, A = 42°. Find the measure of B which is the other non
right angle.

Answers

A=42

C=90

B=48

We can reason that C will be equal to 90 since it is the right angle. So to find B we have to subtract 90 from 180 to get 90 then subtract 42 to get 48

B=48 degrees

Point O is on line segment NP. Given OP = 10, NP = 2x, and NO = x +7,
determine the numerical length of NO.

Answer: NO =

Answers

Answer:

Given : NP is a line segment

and O is the mid point

therefore, we can write

NP = NO + OP

now put the values

under NP write 2x , NO = x+7 , OP = 10

Therefore the equation that comes to us after putting values is

2x = x+7 + 10

now solving

2x - x = 7+10

x = 17

therefore

numerical length of NO = x+7

i.e. , 17 + 7 = 24

HOPE U FIND THIS ANSWER USEFUL TO U

THANK U

❗️HELP❗️ I need help with part a,b, and c. Idk if I got part a and b correct pls help me! Thank you

Answers

U want me to help u with all

Solve
1/2(3-12)=1/4(S+ 16)

Answers

Answer:

S = (-34)

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask ;)

A satellite's speed is

10,000 m/s. After 1

minute, it is 5,000 m/s.

What is the satellite's

acceleration?

Answers

Answer:

-83.33 [tex]m/s^2[/tex]

Step-by-step explanation:

Given that:

Initial speed of satellite = 10,000 m/s

Final speed of satellite = 5,000 m/s

Time taken = 1 minute

Let us convert it into seconds.

Time taken = 1 minute = 60 seconds

Let us have a look at the formula:

[tex]v=u+at[/tex]

where [tex]v[/tex] is the final speed

[tex]u[/tex] is the initial speed,

[tex]t[/tex] is the time taken and

[tex]a[/tex] is the acceleration

[tex]5000=10000+a\times 60\\\Rightarrow 60a = 5000-10000\\\Rightarrow 60a = -5000\\\Rightarrow a = -\dfrac{5000}{60}\\\Rightarrow \bold{a = -83.33\ m/s^2}[/tex]

Negative sign indicates that the satellite is in slowing down motion i.e. its speed is decreasing.

So, the answer is:

-83.33 [tex]m/s^2[/tex]

A ketchup Company purchased eight shipments of tomatoes, they were 900 tomatoes in each shipment how many did the company purchased in all

Answers

Answer:

7200 tomatoes

Step-by-step explanation:

8 shipments of tomatoes at 900 tomatos per shipment add up to 7200 tomatoes. That';s the product of 8 shipments and 900 tomatoes per shipment.

What do you know about x and y if their product is zero?

Answers

Step-by-step explanation:

Either x = 0 or y = 0. (Zero product rule)

The table below shows the amount of money Sarah spends for a craft demonstration. Number of People Attending Cost 5 $15 8 $18 10 $20 15 $25 Sarah spends a total of $60. Based on the information in the table, how many people attended the craft demonstration? 20 30 50 70

Answers

Answer:

Nobody who paid $18 attended, because that can't be part of $60.

Step-by-step explanation:

4 at $15

10 at $20

15 at $25

29 people.

There are 30 people was attended the craft demonstration.

What are Arithmetic operations?

Arithmetic operations can also be specified by adding, subtracting, dividing, and multiplying built-in functions.

- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.

for example 4 -2 = 2

* Multiplication operation: Multiplies values on either side of the operator

For example 4*2 = 8

We have been given that number of people attending at respective costs as 5 at $15, 8 at $18, 10 at $20, 15 at $25

Since Sarah spends a total of $60.

As per the condition,

So the number of people who attended the craft demonstration attending at respective costs would be 5 at $15, 10 at $20, and 15 at $25

⇒ 5 + 10 + 15 = 30

Thus, the required number of people would be 30 because $18 can't be included in $60, anyone who paid that amount attended.

Therefore, there are 30 people was attended the craft demonstration.

Learn more about the arithmetic operations here:

brainly.com/question/25834626

#SPJ2

I need help with this problem 2•1/2+4(4•2-7)

Answers

Answer:

Step-by-step explanation:

2×1/2 + 4×(4×2 - 7) = ⇒ multiplication1 + 4×(8 - 7) = ⇒ parenthesis1 + 4×1 = ⇒ multiplication1 + 4 = ⇒ addition5 ⇒ answer

Help please! I need the answers for the two fill-in-the-blanks.

Answers

Answer:

The first column is transformation

The second one I have forgotten

Need other help

What is 2.03_2.021 greater than less then or equal to !?

Answers

Answer:greater

Step-by-step explanation: .03 is greater than .02, think about it is 3 less or greater than 2?

The answer is greater. So 2.04 is GREATER than 2.021

If f(x) = 2x², what is f(a+3)?

Answers

Answer:

2 a ^2 + 12 a + 18

Step-by-step explanation:

Substitute the given value into the function and evaluate.

Hope this helps!

Bethany sells roses and petunias. The expression 3r + 2.5p gives the cost (in dollars) of r roses and p petunias.

What is the cost of 7 roses and 8 petunias?

Answers

each rose is $3
7 roses so 7 x 3 = $21
each petunia is $2.50
8 petunias so 8 x 2.5 = $20
$21 + $20 = $41

hope this helps!

A running shoe manufacturer has a fixed overhead of $ 580000.00, variable costs of $ 50.00, and a selling price of $ 100.00.

(c) Smallest number of pairs of shoes the company must sell to turn a profit:

(d) Total profit

Answers

Answer:

To make a profit the company must sell 11601 units.

Step-by-step explanation:

Giving the following information:

Fixed costs=$580,000

Unitary variable costs= $50

Unitary selling price= $100

First, we need to calculate the break-even point in units:

Break-even point in units= fixed costs/ contribution margin per unit

Break-even point in units= 580,000 / (100 - 50)

Break-even point in units= 11,600 units

To make a profit the company must sell 11601 units.

In order to determine the total profit, you need to use the following formula:

Total profit= 50*x - 580,000

x= units sold

For example:

x= 15,000

Total profit= 50*15,000 - 580,000

Total profit= $170,000

Answer the question below fast

Answers

Answer:

The answer is 10.5 in decimal form

Solve for y.
20y - 14y + 4 = 16
y =
Submit

Answers

Answer:

20y-14y+4=16

20y+(-14y) -4 -4

6y=12

y=2

Step-by-step explanation:

Combine like terms

subtrate 4 from each side

Divide 6 by 6 and 12 by 6

There for y=2

y=2
20y-14y+4=16

collect like terms

6y+4=16

Move constant to the right-hand side and change its sign

6y=16-4

Subtract the numbers

6y=12

divide by 6

y=2

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Which problem is modeled?0.8 – 0.5 = 0.30.08 – 0.03 = 0.050.8 – 0.3 = 0.50.08 – 0.05 = 0.03

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Which problem is modeled?

0.8 – 0.5 = 0.3
0.08 – 0.03 = 0.05
0.8 – 0.3 = 0.5
0.08 – 0.05 = 0.03