What number appears 7 times in the multiplication table?

Answers

Answer 1

Final answer:

In a multiplication table, each number from 1 to 12 would appear 12 times corresponding to each multiplier. In a table specific for a single number, that number would repeat 12 times.

Explanation:

The question is asking about a number that appears 7 times in a multiplication table. In a multiplication table, numbers 1 through 12 are repeated 12 times, once for each multiplier. However, in a multiplication table between 1 and 10, the number 1 appears multiple times as it is a factor for every other number. As an exception, if we have a multiplication table that is specific to a certain number, for example, the number 7, then number 7 would appear 12 times as it is the constant multiplier for each number in the table.

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Related Questions

In △ABC, the coordinates of vertices A and B are A(1,−1) and B(3,2). For each of the given coordinates of vertex C, is △ABC a right triangle?
Select Right Triangle or Not a Right Triangle for each set of coordinates.
C(0,2) right triangle or not a right triangle?
C(3,-1) right triangle or not a right triangle?
C(0,4) right triangle or not a right triangle?

Answers

Answer:

C(0,2) - Not A Right Angle

C(3,-1) - Right Angle

C(0,4) - Right Angle

I took the unit test and after this was the correct and answer. Hope this helps :))

Final answer:

To determine if △ABC is a right triangle, we can use the distance formula to calculate the lengths of the sides of the triangle. By comparing the squares of these lengths, we can determine if △ABC is a right triangle. For the given coordinates of vertex C, △ABC is not a right triangle.

Explanation:

To determine if △ABC is a right triangle, we need to check if the square of the length of the longest side is equal to the sum of the squares of the other two sides. Using the distance formula, we can find the lengths of AB and AC for each set of coordinates for vertex C. We then compare the squares of these lengths to determine if △ABC is a right triangle.

For C(0,2), the distance between A(1,-1) and C is √((0-1)^2 + (2-(-1))^2) = √(1 + 9) = √10. The distance between B(3,2) and C is √((0-3)^2 + (2-2)^2) = √(9 + 0) = 3. The longest side is AB with length √(2^2 + 3^2) = √(4 + 9) = √13. Since √13 is not equal to √10 + 3, △ABC is not a right triangle.

Following the same calculations for C(3,-1) and C(0,4), we find that △ABC is also not a right triangle for both cases. Therefore, the answer for all three sets of coordinates is Not a Right Triangle.

Is this right? Domain and range of a function

Answers

yes you're correct good job

Need some geometry help

Answers

check the picture below.

that means

angle AFB is 27 + 2 = 29

angle BFC is 2(27) + 12 = 66

and angle CFD is 2(27) or 54

so hmmmm, you'd know which one isn't there.

Xavier is a salesperson who is paid a fixed amount of $455 per week. He also earns a commission of 3% on the sales he makes. If Xavier wants to earn more than $575 in one week, how many dollars (x) in sales must he make?

Answers

He needs to make $4,000 in sales in order to hit $575 so if he earns more than $4,000 in sales then he will exceed his goal. I did 575-455=120 to see how much he needs. Then I did 0.03×4=0.12. Well if you add 0's you will get 120 because the decimal will move so then I added 3 0's to get 0.03×4,000=120. Hope this helped.

The answer is c reason I now this is cause I had this on my test

What is the ratio 42 to 48 as a fraction in simplest form?

Answers

42/48 in simplest form is 7/8

If 17 is increased to 23, the increase is what percent of the original number? (this is known as the percent of change.)

Answers

23-17=6
The percentage of increase:
(6/17)*100=35.2942%

The value increase= 23-17
= 6
The percentage is for 100%
Thus, the increase divided by the original value, gives you the answer.
So, 6/23 x 100% is equal to 26.08%
If we round that answer up we get, 26.1

Hope this helps :))

9 different coin combinations that equal 76 cents

Answers

5 nickels a quarter 2 dimes an a penny

A manufacturer wants to design an open-top box having a square base and a surface area of 120 square inches. what dimensions will provide a box with maximum volume?

Answers

The dimensions √30 inches square and 4 inches high will provide a box with maximum volume.

What are maxima and minima?

The Maxima and minima of a function are the extremes within the range, in other words, the maximum value of a function at a certain point is called maxima and the minimum value of a function at a certain point is called minima.

It is given that:

A manufacturer wants to design an open-top box having a square base and a surface area of 120 square inches.

Let's suppose x is the base edge length and h is the box height.

x² + 4xh = 120

h = (120 - x²)/(4x)

h = 30/x - x/4

Volume = x²(30/x - x/4) = 30x - x³/4

dV/dx = 0

30 - x² = 0

x = √30

h = 120/x² = 120/30 = 4 inches

The box is √30 inches square and 4 inches high.

Thus, the dimensions √30 inches square and 4 inches high will provide a box with maximum volume.

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John and Tim are looking at the equation the square root of the quantity of 3 times x minus 4 equals square root of x . John says that the solution is extraneous. Tim says the solution is non-extraneous. Is John correct? Is Tim correct? Are they both correct? Justify your response by solving this equation, explaining each step with complete sentences. (10 points)

Answers

The equation is
3x - 4 = sqrt(x)
where 'sqrt' is shorthand for 'square root'

Let's solve the equation. To do so, we square both sides. Then we get everything to one side
3x - 4 = sqrt(x)
(3x - 4)^2 = (sqrt(x))^2
9x^2 - 24x + 16 = x
9x^2 - 24x + 16-x = x-x
9x^2 - 25x + 16 = 0

Now use the quadratic formula. See the attached image for those steps.

After using the quadratic formula the two possible solutions are x = 1 or x = 16/9

We need to check each possible solution to see if it is extraneous or not.

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

Checking x = 1

3x - 4 = sqrt(x)
3*1 - 4 = sqrt(1)
3 - 4 = 1
-1 = 1

The final equation is false, so x = 1 is not a true solution

x = 1 is extraneous.

So far, John is correct; however, we need to see the nature of the possible solution x = 16/9

So let's check it
----------------------------

Checking x = 16/9

3x - 4 = sqrt(x)
3*(16/9) - 4 = sqrt(16/9)
48/9 - 4 = 4/3
16/3 - 4 = 4/3
16/3 - 12/3 = 4/3
(16 - 12)/3 = 4/3
4/3 = 4/3

The last equation is true, so x = 16/9 is a proper solution.

This solution is considered non-extraneous. So Tim is also correct
----------------------------

They are both correct because there are two possible solutions. One of which is extraneous (x = 1) and the other is non-extraneous (the fraction x = 16/9)

Find the distance between the given points . find the midpoint of the segment with the given endpoints. round to the nearest tenth, if necessary

Answers

Where are the given points

a writer gets paid monthly at a rate of $300 for each article she completes last moth she wrote 11.8 articles how much money did she get paid last month? show your work

Answers

the writer gets paid 300 per article

so if she wrote 11.8 articles, she would get paid :
300 * 11.8 = $ 3540 <==

Answer:

She got paid last month $3540 .

Step-by-step explanation:

This problem can be solve by rule 3, knowing that she gets paid for each article a rate of $300.

1 article ------- $300

11.8 article----- x

Next you have to calculate the value of x as follows:

[tex]x=\frac{11.8*300}{1}[/tex]

x=3540

She got paid last month $3540.

Vehicle a averages 14 miles per gallon of gasoline, and vehicle b averages 36 miles per gallon of gasoline. at these rates, how many more gallons of gasoline does vehicle a need than vehicle b to make a 1,008-mile trip?

Answers

Final answer:

Vehicle A requires 72 gallons and vehicle B requires 28 gallons for a 1,008-mile trip. Therefore, vehicle A needs 44 more gallons of gasoline than vehicle B for the trip.

Explanation:

To calculate the number of gallons of gasoline each vehicle needs for the trip, we would divide the total distance of the trip by the miles per gallon (mpg) that each vehicle gets. Then, to find out how many more gallons of gasoline vehicle A needs than vehicle B, we subtract the gallons of gasoline used by vehicle B from the gallons used by vehicle A.

First, we find the gallons needed for vehicle A:

Vehicle A: 1,008 miles ÷ 14 mpg = 72 gallons

Next, we calculate the gallons needed for vehicle B:

Vehicle B: 1,008 miles ÷ 36 mpg = 28 gallons

Finally, we determine how many more gallons vehicle A requires than vehicle B:

Additional gallons needed by vehicle A: 72 gallons - 28 gallons = 44 gallons

Help me reduce this please!!!

Answers

45 and 567 are both odd, so they are not divisible by 2.
Are they divisible by 3?
Add the digits of 45. 4 + 5 = 9. Since 9 is divisible by 3, 45 is divisible by 3.
Add the digits of 567. 5+6+7 = 18. Since 18 is divisible by 3, 567 is divisible by 3.

Now we divide the numerator and denominator by 3.

45/3 = 15
567/3 = 189

We have this now:

45/567 = 15/189

We need to try to reduce it more.

15 is divisible by 3 and 5.
189 is divisible by 3.

15/3 = 5
189/3 = 63

45/567 = 15/189 = 5/63

5 is prime and divisible only by 1 and 5.
63 is not divisible by 5.
The fraction cannot be reduced any more.

Answer: 5/63

The perimeter of a rectangular garden is 98 feet. the length of the garden is 4 feet more than twice the width. what is the length of the garden?

Answers

Width: x
Length: 4+2x
Perimeter=x+x+4+2x+4+2x=6x+8
6x+8=98
x=15
Length=4+2(15)=34 feet

The answer to this question is 34 feet

An area of 16m^2 can be covered by 1.5 litres of pain. How many litres are needed to cover 20m^2?

Answers

Greetings!

Solve for x.
[tex]16:1.5=20:x[/tex]
[tex]16/1.5=20/x[/tex]
Cross Multiply.
[tex]16*x=20*1.5[/tex]
Simplify.
[tex]16x=30[/tex]
Divide both sides by 16.
[tex](16x)/16=(30)/16[/tex]
Simplify.
[tex]x=1.875[/tex]

1.875 litres of pain would be required to cover an area of 20 meters².

Hope this helps.
-Benjamin

In a closing-down sale a shop reduces all its prices by 20%.
Find the sale price of a coat which previously cost $44

Answers

i honestly do not know but if you put it in the calculator I am pretty sure it will tell you

Hello! I can help you with this! There will be a 20% discount of all items, which means that there will be 80% of the original price left to pay. 100 - 20 = 80. To find the sale price of the coat, multiply 44 * 0.8. When you do that, you get 35.2. The new sale price of the coat is $35.20.

1/6d + 2/3 = 1/4(d-2)

Answers

Yo, you seem like a cool dude. Could you post another answer on this; https://brainly.com/question/5960230 for me please. I spent 30 minutes answering it but I cannot get brainliest answer unless there is another person.

1/6d + 2/3 = 1/4(d-2)
1/6d + 2/3 = 1/(4d-8)
Multiplying both sides by 1/(4d-8)
(4d-8/6d) + 2/3 = 1
Multiplying both sides by 6d
(4d - 8) + 2/3 = 6d
4d - 24/3 + 2/3 = 6d
4d - 22/3 = 6d
-2d = 22/3
2d = -22/3
d = -11/3

What are the excluded values of x for x^2-9x/x^2-7x-18

Answers

The expression is [tex] \displaystyle{\frac{x^2-9x}{x^2-7x-18} [/tex].

The excluded values are those values of x for which the denominator, [tex]x^2-7x-18[/tex], becomes zero.

So, we need to factorize the expression [tex]x^2-7x-18[/tex].

To factorize the expression, we can use the grouping method. Write -7x as -9x+2x to create 4 terms, as follows:

[tex]x^2-7x-18=(x^2-9x)+(2x-18)=x(x-9)+2(x-9)[/tex].

The, factorizing (x-9), we have (x-9)(x+2).

This expression becomes 0 for x=-2, or for x=9.

Answer: {-2, 9}

The excluded values of x for x^2-9x/x^2-7x-18 are -2 and 9

The expression is given as:

x^2-9x/x^2-7x-18

Set the denominator of the expression to 0

x^2-7x-18 = 0

Expand the above expression

x^2 + 2x -9x -18 = 0

Factorize the expression

x(x + 2) -9(x +2) = 0

Factor out x + 2

(x -9)(x +2) = 0

Solve for x

x = 9 and x = -2

Hence, the excluded values of x for x^2-9x/x^2-7x-18 are -2 and 9

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-0.785714286 as a fraction

Answers

- 392857143/500000000

can you help me round 3,418,913 to the nearest thousand

Answers

3,419,000 because the 913 rounds the number up

3,418,913 to the nearest thousand is 3,419

∠E and ∠F are vertical angles with m∠E=8x+8 and m∠F=2x+38 . What is the value of x? Enter your answer in the box.

Answers

8x+8 = 2x+38
6x=30
x=5

Answer:

5 is the answer

Step-by-step explanation:

I'm from K12

what is x ⋅ x ⋅ x = ?

Answers

That would be x^3

Think of it like this:
x ⋅ 1 = x^1
x ⋅ x = x^2

Therefore x ⋅ x ⋅ x = x^3.

That would be equal to X^3.
Hope this helps! :)

there are 13 animals in the barn some are ducks and some are pigs there are 42 legs in all how many of each animal are there (ducks have 2 legs and pigs have 4)

Answers

there ar 7 of each animal
1=6(2 legs from the duck, 4 legs from the pig)
2=12(4 legs from the ducks, 8 legs from the pigs)
3=18(6 legs from the ducks, 12 legs from the pigs)
4=24(8 legs from the ducks, 16 legs from the pigs)
5=30(10 legs from the ducks, 20 legs from the pigs)
6=36(12 legs from the ducks, 24 legs from the pigs)
7=42(14 legs from the ducks, 28 legs from the pigs)

Xy has endpoints at x(2,-3) and y(-1,2). What is the length of xy

Answers

[tex]\bf \textit{distance between 2 points}\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) X&({{ 2}}\quad ,&{{ -3}})\quad % (c,d) Y&({{ -1}}\quad ,&{{2}}) \end{array}\qquad % distance value d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2} \\\\\\ XY=\sqrt{[-1-2]^2+[2-(-3)]^2}\implies XY=\sqrt{(-1-2)^2+(2+3)^2} \\\\\\ XY=\sqrt{(-3)^2+5^2}\implies XY=\sqrt{34}[/tex]

If PQ bisects CX at point J, and if JX = 4y and CJ = y+9 find y

Answers

since PQ bisects CX at point J, JX=CJ

4y=y+9
-y -y
3y=9
divide by 3
y=3

Final answer:

By setting the given equations equal to each other (JX = CJ), we can create a new equation (4y = y +9). This equation simplifies to 3y = 9, giving a solution of y = 3.

Explanation:

The problem you're facing deals with bisecting line segments, which is a topic under Geometry. Remember, if a segment bisects another, that means it divides the second segment into two equal parts. In this case, PQ bisects CX at point J, so JX = CJ.

We're also given that JX = 4y and CJ = y + 9. Because JX = CJ, we can set the two equations equal to each other and solve for y:

4y = y + 9

By subtracting y from both sides, we get

3y = 9

Finally, by dividing both sides by 3, we solve for y, which is 3

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Peter is reading a 193-page book. he has read three pages more than one-fourth of the number of pages he hasn't yet read. how many pages has he not yet read? 147 144 152 141

Answers

Let's call the number of pages we have read [tex]m[/tex]. To find the number of pages we have left to read, we'll need to subtract the number of pages we've read from the total number of pages in the book. Our total page count is 193, and the number of pages we've read is the unknown [tex]m[/tex], so the number of pages we haven't read can be written as [tex]193-m[/tex]. With that knowledge, let's construct the rest of our equation.

"He has read three pages more than one-fourth of the number of pages he hasn't yet read." The first key phrase here is "he has read." What this means is that the number of pages he's read, which we've named [tex]m[/tex], is equal to everything in the rest of the sentence. "Thee pages more than" means that we're going to be adding 3 to whatever the next quantity described is, which, in this case, is "one-fourth of the number of pages he hasn't yet read." We already established earlier that "the number of pages he hasn't yet read" is [tex]193-m[/tex], so one-fourth of that would be [tex] \frac{1}{4} (193-m)[/tex]. Putting everything together, we get the following equation:

[tex]m= \frac{1}{4} (193-m)+3[/tex]

To solve for [tex]m[/tex], we might first want to eliminate the fraction 1/4 by multiplying both sides of the equation by 4, obtaining

[tex]4m=193-m+12[/tex]

Solving for m, we get:

[tex]4m=193+12-m\\5m=205\\m=41[/tex]

Now that we have m, it's a simple matter to solve for [tex]193-m[/tex]:

[tex]193-41=152[/tex]

So, he has not yet read 152 pages.

The price of a bracelet increase from $170 to $200 A Mother's Day what is the percent of increase in the price rounded to the nearest percent

Answers

200-170=30
The percentage of increase:
(30/170)*100=17.6471%

multiply 2/7 with its additive inverse

Answers

To find the additive inverse, multiply 2/7 by -1.

Answer: -2/7.

Why is the answer -2/7?

When you add 2/7 + (-2/7) the answer will be 0.

This is why -2/7 is the additive inverse.

m/x = k - 6 Solve for m

Answers

You just multiply the x and the answer would be m = k-6/x

Not sure if this is 100% correct but it's m=kx-6x

a family pays $19 each month for internet access. next mont, the cost will increase by 5% because of the equipment fee. After this increase, what will be the cost for the internet

Answers

19 x .05 = .95
So the cost would be $19.95

The cost for the internet after an increase is $19.95.

Given that,

The family pays $19 each month. And, the cost should be increased by 5%.

Based on the above information, the cost for the internet after an increase is

= $19 + 5% of $19

= $19 + $0.95

= $19.95

Therefore we can conclude that the cost for the internet after an increase is $19.95.

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