PLEASE HELP :) THANKS
There is a sales tax of $6 on an item that costs $64 before tax. The sales tax on a second item is 8.25. How much does the second item cost before tax?

Answers

Answer 1

For the Item that costs $64 before tax the sales tax is $6
Hence for the item that costs $1 before tax the sales tax is $(6/64), by the rule of proportions or unitary method
Hence for the item that costs $100 before tax the sales tax is $[100*(6/64)], by the rule of proportions
which is = $75/8 or $9.45

Therefore, the item having a Sales tax of $9.45 or $75/8 costs $100 before tax
thus the item having a Sales tax of $1 costs $[(100*8)/75] before tax, by the rule of proportions or unitary method
thus the item having a Sales tax of $8.25 costs $[(100*8*8.25)/75] before tax, by the rule of proportions
which is = $88

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you have three sides and three angles what am i

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The answer is You are a triangle

A computer program randomly selects a month of the year. What is the sample space for this experiment?

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Answer:

The sample space of a random experiment is the collection of all possible outcomes. An event associated with a random experiment is a subset of the sample space. The probability of any outcome is a number between 0 and 1.

Step-by-step explanation:

Please help anwser these. i hate math.

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Answer:

2 is the answer to your question

My brainy brother and sister added their ages together and got 15. When they multiplied their ages together, they got 54. How old is the older one between the two of them?

Answers

Given:

Sum of ages of brother and sister = 15

Product of their ages = 54

To find:

How old is the older one between the two of them?

Solution:

Let x be the age of brother and y be the age of sister.

Sum of ages of brother and sister = 15

[tex]x+y=15[/tex]

[tex]x=15-y[/tex] ...(i)

Product of their ages = 54

[tex]xy=54[/tex]

[tex](15-y)y=54[/tex] [Using (i)]

[tex]15y-y^2=54[/tex]

[tex]0=54-15y+y^2[/tex]

Splitting the middle term, we get

[tex]54-15y+y^2=0[/tex]

[tex]54-9y-6y+y^2=0[/tex]

[tex]9(6-y)-y(6-y)=0[/tex]

[tex](6-y)(9-y)=0[/tex]

Using zero product property, we get

[tex](6-y)=0\text{ and }(9-y)=0[/tex]

[tex]y=6\text{ and }y=9[/tex]

If [tex]y=6[/tex], then using (i), we get

[tex]x=15-6[/tex]

[tex]x=9[/tex]

If [tex]y=9[/tex], then using (i), we get

[tex]x=15-9[/tex]

[tex]x=6[/tex]

Therefore, the age of older one is 9, the age of younger one is 6 and the difference between their ages is 3.

In trapezoid ABCD, the measure of

Answers

Answer:

Step-by-step explanation:

Why is 3 x 1/10 less than 3 x 10?

Answers

Answer:

The value of 1 tenth is less than the value of 1 ten.

Step-by-step explanation:

Answer:

Because 3 x 1/10 = 3/10

whereas 3 x 10 = 30

and 3/10 < 30

Also b/c 1/10 < 10 and they are multiplied by the same value (3)

Step-by-step explanation:

HELP PLS!!!

Consider the function f(x). Select all of the following that include a horizontal compression of f(x).
A) 2f(x)
B) f(3x)
C) -f(x)+1
D) f(0.4x) - 1
E) f(6x) +9
F) -f(0.12x)

Answers

Answer: B, E

Step-by-step explanation:

PLZ HELP What is the mode interval for the histogram? Science Test Scores Frequency No Бел о об - 1 50-59 60-69 70-79 80-89 90-100 Scores (out of 100) 0 80 - 89 O 50 - 59 O 10 90 - 100

Answers

Answer: You are correct. The mode is between 90 and 100

This is because the tallest bar corresponds to this interval. The mode is the most frequent value.

Step-by-step explanation:

i am not sure but i hope this can help you

A man bought some story books for 5 Ghana Cedis each from a bookshop
15 of the books got missing. He then sold the rest at 8 Ghana cedis each and made a profit of 90 Ghana cedis. How many books did he buy?

Answers

Answer:

Step-by-step explanation:

Let the no of books bought be x

The cost price of 1 book is 5x

No of the missing book is 15

The remaining book is x-15

The selling price of 1 book is 87

Selling price of (x-15) book is 87

Hence the number of books can be calculated as follows

8(x-15)-5x= 90

8x-120-5x= 90

8x-5x= 90+120

3x= 210

x= 210/3

= 70

Hence the number of books bought is 70

Find the median and mean of the data set below:
9,10,38,0,26,35,8

Answers

Answer:

Median = 10

Mean = 18

Step-by-step explanation:

1) Median equals the middle number of a set.

To find median, place the numbers from least to greatest. So that’ll turn to be:

0, 8, 9, 10, 26, 35, 38

The middle number is 10.

2) Mean is the average of all the numbers.

To find mean, add all the numbers together. So 0+8+9+10+26+35+38 = 126

Then, divide the sum by the amount of numbers you added. We added a total of 7 numbers to get 126. 126/7 = 18. The average is 18.

Answer:

The median is 10 and the mean is 18 . Hope it help

Step-by-step explanation:

The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest

Toby and Ahmed are eating pizza. Toby eats 1/2 of the pizza and Ahmed eats 1/4 of the pizza. How much of the total pizza have they eaten? 1 point

Answers

Answer:they have eaten 3/4 of the total pizza

Step-by-step explanation:

Let the whole pizza =1whole

Amount eaten by Toby =1/2

Amount eaten by Ahmed =1/4

Total Amount eaten by both of them =1/2 +1/4 = 2+1/ 4=3/4

Therefore, they have eaten 3/4 of the total pizza

I need help on math plz no bots

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2nd option sry i’m wrong:)

I need help cand someone help me find this answer

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Answer:

725.7 m²

Step-by-step explanation:

A=2πrh

r=16 1/2 ÷ 2 = 8 1/4

A= 2π(8.25)(14)=725.7

Each classroom at a school has 24 desks. There are 18 classrooms in the school. How many desks are at the school?

A
444 desks

B
432 desks

C
424 desks

D
402 desks

Answers

B. Just multiple 18 and 24.

Answer:

The answer is B. There are 432 desks in all 18 classes

A triangle has sides of lengths 12, 14, and 19. Is it a right triangle? Explain.
yes; 122 + 142 192
O no; 122 + 142
192
O no: 122 + 142 + 192
O yes: 122 + 142 =
+ 142 = 192

Answers

Answer:

It is C

Step-by-step explanation:

this is easy math for me

PLEAASE HEELP! Will mark brainly!!!

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Please repost... picture is all black

Insert commas suitably and write the names according to International system of numeration: a) 40050017 b) 251400

Answers

Answer:

a) 40050017 = 40,050,017

Forty million fifty thousand and seventeen

b) 251400 = 251,400

Two hundred fifty one thousand and four hundred

Step-by-step explanation:

In international system commas are placed after three digits starting from the unit's place.

a) 40050017 = 40,050,017

Forty million fifty thousand and seventeen

b) 251400 = 251,400

Two hundred fifty one thousand and four hundred

It can be placed as shown below.

TM, M, HTh , TTh, Th, H, T, O

4 0 0 5 0 0 1 7

2 5 1 4 0 0

Triangle ABC has vertices A(-2,0), B(2,5), C(3, 1). The reflection of the image of triangle ABC is triangle A'B'C' with vertices A(-2,0), B12, -5), C73.
-1). What is a rule that describes the reflection?

Answers

Answer: Reflection about x-axis

Step-by-step explanation:

Given

Initially, vertices are [tex]A(-2,0), B(2,5),C(3,1)[/tex]

After reflection they become [tex]A(-2,0),B(2,-5),C(3,-1)[/tex]

It is clear that the x coordinate remains unchanged and the y coordinate changes its sign. It occurs when reflection is done about the x-axis.

For example, when (a,b) is reflected about the x-axis, it becomes (a,-b).

So, here reflection is being done about the x-axis.

2
A pack of 5 of board games costs $75.
If there is a direct proportion between the price (y) and number of board games (2), which equation represents the
situation?
y = 75.2
By = 52
C y = 2
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Answers

Answer:

one board game cost 15 dollars

75/5=15

15y

y = number of board games and 15= the price of each board game

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Step-by-step explanation:

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Answer:

That other person was such a troll but it by 43! Could you please mark me branllest? Only if you want to :)

Step-by-step explanation:

Solve.
a-5/a+4=5/4

a=0
a=-1
a=-9
a=-40

Answers

Answer:

-1

Step-by-step explanation:

hzhsuxbsjsisnduxidnwhdicjdbe

the mean of 5 numbers is 8.
one more number is added to the group.
the mean of the numbers is 9.
what number was added to the group

Answers

Answer:

Step-by-step explanation:

Sum of the first five numbers = 40

The sum of the six numbers should equal 9 x 6 = 54

So, you would do 54 - 40 = 14

Hope that helps! :)

-Aphrodite

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Answer: i took a screen shot of the answer hope this helped

plz make brainly

Step-by-step explanation:

You are at a bookstore and you are allowed to buy 9 books. You have already selected 3 books. Find the possible amount of books you can still select.

Answers

Answer:

Step-by-step explanation:

9 - 3 = 6

Henry gross pay is $4000 a month. If he saves $500 of his pay, what percent of his pay does he save?

Answers

Answer:

12.5%

Step-by-step explanation:

big brain

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A. 450%
B. 200%
C. 50%
D. 1/2%
E. 2%

Answers

Answer:

answer: 50%

Step-by-step explanation:

The answer is 50% because 15 is half of 30 because 15 + 15 = 30 so 15 is half of 30 50%

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The answer is C because
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To add the fractions 3/4 and 7/12 what must be done first?

A. reduce the fractions to lowest terms
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C. make the numerators the same
D. find a common denominator

Answers

Answer is. D Find a common denominator

marked price rs 800 .
allow 15% discount .
profit is Rs 125.
find cp

Answers

Answer:

143.75

Step-by-step explanation:

this is a correct answer

Helppp pleaseeee I really need help

Answers

Answer:

Step-by-step explanation:

[tex] = \frac{(2c {}^{2} + c - 2) }{(c + 1)} \\ rationalise \: the \: denominator \\ = \frac{(2 {c}^{2} + c - 2)(c - 1)}{(c + 1)(c - 1)} \\ = \frac{(2 {c}^{3} - 2 {c}^{2} + {c}^{2} - c - 2c + 2) }{( {c}^{2} - {1}^{2} )} \\ = \frac{(2 {c}^{3} - {c}^{2} - 3c + 2 )}{( {c}^{2} - 1) } [/tex]

According to this diagram, what is tan 62°?

A 17/15
B 8/17
C 15/17
D 8/15
E 17/8
F 15/8

Answers

I believe it would 15/8.

Tangent is Opposite/Adjacent so 15/8
Hope this helps! :)

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PLEASE HELP :) THANKS There is a sales tax of $6 on an item that costs $64 before tax. The sales tax on a second item is 8.25. How much does the second item cost before tax?

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PLEASE HELP :) THANKS
There is a sales tax of $6 on an item that costs $64 before tax. The sales tax on a second item is 8.25. How much does the second item cost before tax?