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3 years ago

Identify the correct algebraic expression for the following scenario:

Mathematics

2 answers:

7nadin3 [17]3 years ago

6 0

H x 5=h5
h5/8
I think it’s this it also may be
(h x 5)/8

nata0808 [166]3 years ago

6 0

H*5 =5h
So we have;
(h*5) = (h*5)/8

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Brenda needs to bake 12 cakes for a bake sale. Each cake requires 2 3/4 cups of flour. What is a reasonable estimate of the tota

marshall27 [118]

Brenda need ......... 24 36/48

2 3/4 + 2 3/4 + 2 3/4 + 2 3/4 + 2 3/4 + 2 3/4 + 2 3/4 + 2 3/4 +2 3/4 + 2 /34 + 2 3/4 + 2 3/4 =24 36/48

4 0

3 years ago

Find the missing side lengths

Mashcka [7]

Answer:

y = 9√3

x = 18

Step-by-step explanation:

taking 30 as reference angle

b = y

p = 9

h = x

tan30 = p/b

1/√3 = 9/b

or, b = 9√3

$h^2 = p^2 + b^2\\x^2 = 9^2 + y^2\\or, x^2 = 81 + (9\sqrt{3} )^2\\or, x^2 = 81 + 243\\or, x ^2 = 324\\or, x =\sqrt{324} \\\\so x = 18$

7 0

3 years ago

What is the sum of the interior angles in this shape?

Dmitrij [34]

Answer:

720° :)

Step-by-step explanation:

You can find the total interior angle for any shape using the following (n being the number of sides):

S = ( n - 2 ) × 180 °

S = (6-2) * 180

S = 720

5 0

3 years ago

Read 2 more answers

Anyone know how to solve this??

Tom [10]

$Given : \frac{(x^\frac{2}{5})^9\;.\;(x^\frac{-4}{15})}{x^\frac{1}{3}}$

$\implies {(x^\frac{18}{5})\;.\; (x^\frac{-4}{15})}\;.\;(x^\frac{-1}{3})$

$\implies x^(^\frac{18}{5} ^-^\frac{4}{15}^-^\frac{1}{3}^)$

$\implies x^(^(^\frac{54 - 4}{15}^)^-^\frac{1}{3}^) = x^(^(^\frac{50}{15}^)^-^\frac{1}{3}^) = x^(^(^\frac{10}{3}^)^-^\frac{1}{3}^) = x^(^\frac{9}{3}^) = x^3$

$\implies x^k = x^3$

$\implies k = 3$

7 0

3 years ago

Jarred went to the bookstore,

Fudgin [204]

Answer:

the original price of the book is $20

Step-by-step explanation:

sometimes in a question, they put things in the question that don't actually help us get to the answer. usually we ignore it, but i'm going to list them out just to help you a bit more.

<u>Things that are useless:</u>

his name is Jarred (his name could be gary, it doesn't affect us getting the answer)
he went to a bookstore (he could've gone to the library, it wont affect us getting to the answer)

the book is softcover (it could be any type of book, wont affect us getting to the answer)

the item is a book (it could be anything that he bought, wont affect us getting to the answer.)

<u>Things that are helpful:</u>

the book was on sale (helps us know that the price was reduced)
the book was on sale 10% (helps us know how much it was reduced by)
he spent $18 for the reduced price (helps us know how much he spent)

Ok, now that we know those, let's work on the question.

let b be the original book price

we need to find 10% so we have to use 90% (because 100 - 10 = 90)

if we needed to find 20% we would use 80% (because 100 - 20 = 80)

and so on.

90% of b = 18 (90% of the og. book price equals 18)

90/100 × b = 18 (write a correct equation and make the percent a fraction)

9/10 × b = 18 (simplify both sides of the equation)

9 × b = 180 (multiply both sides of the equation to get rid of fraction)

b = 20 (divide both sides of the equ. to get b by itself)

the original price of the book is $20

hope this helped :D

good luck my friend

- cheesetoasty

3 0

3 years ago