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3 years ago

Write a question that matches this equation. 45 – n = 15

2 answers:

8 0

Hey there :)

45 - n = 15

Here are few examples:
· The difference between 45 and a number gives 15. What is the number?
· A number less than 45 gives 15. What is the number?
· 45 decreased by a number gives the difference 15. What is the number?
· 15 papers were left unused out of 45 papers. How many papers were used?
· Ray had $45 and he bought some grocery. He was given a change of $15. How much money did he use?

Archy [21]3 years ago

6 0

There were 45 birds on the field , when some of them flew away, only 15 left.
How many birds flew away?

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3 letters without replacement 4 letters A B C D how many ways can this be done if the order of the choices matters

Veseljchak [2.6K]

Answer:

Since the order of choice matters, we will permute the values. a bit more explanation for this:

If the order of choice did NOT matter, ABC and BCA will be counted as one since order of choice does NOT matter

Since order of choice does matter, ABC , BCA and CAB are all different possibilities for the arrangement of the same 3 letters

Since we have 3 slots:

___ ___ ___

Now, for the first slot. You can out either one if the 4 alphabets in the first slot since no slot has been used as of now

So:

_4_ ___ ___

**Keep in mind that the 4 is the possible number of values this slot can have**

Now that one slot has been used, one of the 4 alphabets has been used and since we are not allowed to repeat the same alphabets, we are left with 3 more alphabets

we can put any one of the 3 alphabets in this second slot, Hence:

_4_ _3_ ___

Now that 2 of the 4 alphabets have been used, we are left with only 2 alphabets, so there are only 2 possible alphabets for slot 3

Therefore:

_4_ _3_ _2_

Now that we know the possible alphabets for all 3 slots, we will multiply them with each other to get the total possible number of 3 - alphabet words we can make with 4 alphabets

Total possible words = 4 * 3 * 2

Total possible words = 24

We could've used the formula for Permutation as well

8 0

3 years ago

Diane serves breakfast to two groups of children at a daycare center. One box of oaties contains 12 cups of cereal.She needs 1/3

IRISSAK [1]

11(1/3)+(3/4)10 = 11/3+30/4
44/12+60/12=104/4 = 26 cups one box is not enough u will need three

6 0

3 years ago

Morgan has $60 to spend on clothes. he wants to buy a pair of jeans for $25 and spend the rest on t shirts each t shirt costs $5

Mashutka [201]

Answer:

Step-by-step explanation:

Morgan has $60. That is his spending limit.

He buys a pair of jeans for $25.

Each T-shirt is $5

We don't know how many t-shirts he can buy, so we can represent it with a variable, x

so,

$25 + 5x \leq 60\\5x \leq 60 - 25\\5x \leq 35\\x \leq \frac{35}{5} \\x\leq 7$

6 0

2 years ago

A line has a slope of 2 and passes through the point ( -1, 3). Write an equation in slope intercept form

stealth61 [152]

Answer:

y=2x+5

Step-by-step explanation:

The equation of a line in slope intercept form is written as: y=mx +b where m is the slope and b is the y-intercept.

Taking point (-1,3) , m= 2 and imaginary point on the line, (x,y) then ;

m=change is y-coordinates/change in x-coordinate

m=Δy/Δx

m=y-3/x--1

2= y-3 / x+1

2(x+1) = y-3

2x +2 =y-3

2x=y-3-2

2x=y-5

y=2x+5 is the equation.

7 0

3 years ago

Maura just went down the slide at the playground. She walks 3 feet to get from the end of the slide back to the ladder. Then she

Pavel [41]

Answer:5 feet

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers