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Finger [1]
3 years ago
14

BRAINLY STOP DELETING MY QUESTIONS PLEASE!! I NEED HELP!! please answer, no links please

Mathematics
1 answer:
rosijanka [135]3 years ago
6 0

Answer:

Well, you're trying to find the total volume of a shape. Correct?

Well, then you just need to add, multiply, & maybe even divide. But in order for this to help you, you need to figure out on your own which sides to add, multiply, & divide.

mAyBe uSe tHe gEoMeTrY cAlCuLaToR, wHeN yOu fIgUrE oUt wHaT tO aDd, mUlTiPlY, oR dIvIdE :}}

~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~

                            ^w^  ---> !!!HoPe ThIs HeLpS!!! <--- ^w^

~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~_~

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How do I solve this
xz_007 [3.2K]

Let, the number of books I can buy = x

Selling price for 1 book = $5.99

So, selling price for x books = $(5.99x)

Given 7.5% is the sales tax.

To find sales tax we have to find 7.5% of $(5.99x)

7.5% of $(5.99x) = (5.99x) × 7.5/100 = (5.99x) × (0.075) = (0.44925x)

So the amount of sales tax = $(0.44925x)

The total cost for buying books including sales tax

= $(5.99x) + $(0.44925x)

=$(6.43925x)

Now given, the shipping cost is 10% of the price.

So to find the shipping cost we have to find 10% of $(6.43925x)

10% of $(6.43925x) = (6.43925x) × (10/100) = (6.43925x) ×(0.1) = (0.643925x)

Shipping charge = $(0.643925x)

So the total cost including shipping charge

= $(6.43925x) + $(0.643925x)

= $(7.083175x)

Now given, there is $50 to spend on books. So to find the number of books we can equate them.

7.083175x = 50

To get x, we have to divide both sides by 7.083175

(7.083175x)/7.083175 = 50/7.083175

x = 7.05898

As we are finding the number of books, so we will take the nearest whole number. Here the nearest whole number is 7.

So the required answer is 7 books.

3 0
4 years ago
-7m-3(-5m-4)=-61<br> My answer is always decimals??? Its weird…please help
MaRussiya [10]

Answer:

M=-73/8

Step-by-step explanation:

6 0
3 years ago
5. Evaluate the function f (x) = 4•7^x for x=-1 and x= 2. Show your work.
mr Goodwill [35]

Answer:

Given

f

(

x

)

=

4

⋅

7

x

For

x

=

−

1

we have

f

(

−

1

)

=

4

⋅

7

−

1

=

4

7

using

a

−

n

=

1

a

n

For x=2, we have

f

(

2

)

=

4

⋅

7

2

=

196

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How do you convert 10 5/3 as a mixed number and an improper fraction
Semenov [28]
15/3 as improper I think
8 0
4 years ago
Read 2 more answers
I need a equation for my parabola! I tried so many times and got it WroNg- ​
rodikova [14]

Answer:

Step-by-step explanation:

Not QUITE a parabola . but up until y = 4 it is close

Vertex =  (-7-10)

Vertex form of parabola

y = a ( x+7)^2 -10     find a integer-coordinat point to calculate 'a'

                                     I'll use -18,0

0 = a(-18+7)^2 -10

0 = 122 a  -10     a = 10/122

y = 10/122 (x+7)^2 - 10     see graph below:

5 0
2 years ago
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