You make 72 cookies for a bake sale.this is 20%of the cookies at the bake sale.how many cookies are at the bake sale?

Answers

Answer 1

Answer: Hey there!

Here is how you solve the question:

1. Write the question out as a fraction.

$(72)/(20)$

2. Since percent means, 'Out of 100', get 100 as the denominator.

$(72)/(20)$ = $(360)/(100)$

So, the answer is 360 cookies.

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Answer 2

Answer: 360 cookies total:D

72*5

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What is x^2+( 5√2-x)^2= 5√2^2

Answers

$x^2+( 5\sqrt2-x)^2= (5\sqrt2)^2\nx^2+50-10\sqrt2x+x^2=50\n2x^2-10\sqrt2x=0\nx^2-5\sqrt2x=0\nx(x-5\sqrt2)=0\nx=0 \vee x=5\sqrt2$

Step-by-step explanation:

In which form of government would the people elect officials to make government decisions? Monarchy Direct democracy Representative democracy Autocracy

An art teacher has 4 1 8 4 8 1 gallons of paint to pour into containers. If each container holds 3 8 8 3 gallon, how many containers can they fill?

Answers

If an art teacher has 4 1/8 gallons of paint to pour into containers, the art teacher can fill 11 containers with the 4 1/8 gallons of paint they have.

To solve the problem, we need to divide the total amount of paint by the capacity of each container.

First, we need to convert 4 1/8 gallons to an improper fraction. To do this, we multiply the whole number by the denominator and add the numerator, then put the result over the denominator:

4 1/8 = (4 x 8 + 1)/8 = 33/8

Next, we divide the total amount of paint by the capacity of each container:

33/8 ÷ 3/8 = 33/8 x 8/3 = 11

To learn more about containers click on,

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Complete question is:

An art teacher has 4 1/8 gallons of paint to pour into containers. If each container holds 3/8 gallon, how many containers can they fill?

So I need a little help here... I just learn this and I'm horrible at math :( Please state each steps clearly and explain them too (if you can, if not it's ok) Thanks!

Answers

$y = \sqrt{ (5x+3)/(x-5) }$
$y^(2) = (5x+3)/(x-5)$
Transpose the equation to eliminate any fractions:
$y^(2)(x-5) = 5x+3$
Expand the brackets:
$x y^(2) - 5 y^(2) = 5x+3$
Put x terms on one side and the others on the other side:
$xy^(2) - 5x = 5y^(2)+3$
Factorise to take x out of the terms:
$x(y^(2) - 5) = 5 y^(2) +3$
Transpose to leave only x on the left hand side of the equation:
∴ $x = (5 y^(2) + 3 )/( y^(2) -5 )$

Which is one of the transformations applied to the graph of f(x) = x2 to change it into the graph of g(x) = 4x2 + 24x + 30?The graph of f(x) = x2 is widened.
The graph of f(x) = x2 is shifted left 3 units.
The graph of f(x) = x2 is shifted up 30 units.
The graph of f(x) = x2 is reflected over the x-axis.

Answers

Changing g(x) to this form: a(x-h) + k, we have:
g(x) = 4 (x+3)^2 - 6

Comparing this to the original equation, f(x) = x^2, we have the following transformations:

The graph is widened.
The graph is shifted left 3 units.

Using translation concepts, it is found that the correct option is given by:

The graph of f(x) = x² is shifted left 3 units.

What is a translation?

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

In this problem, we have that the original function is:

f(x) = x².

The translated function is:

g(x) = 4x² + 24x + 30.

Factoring it we have that:

g(x) = 4(x² + 6x + 7.5) = 4[(x + 3)² - 1.5].

Since x -> x + 3, the function was shifted left 3 units.

More can be learned about translation concepts at brainly.com/question/4521517

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Craig is delivering boxes of paper to each floor of an office building. Each box weighs 64 pounds, and Craig weighs 160 pounds. If the capacity of the elevator is 2000 pounds, what is the maximum number of boxes he can deliver on each elevator trip?

Answers

If the maximum load on the elevator is 2,000 pounds,
and Craig weighs 160 pounds, that leaves

(2,000 - 160) = 1,840 pounds for paper.

If each box weighs 160 pounds, then how many boxes
can he carry without going over the 1,840-pound limit ?

(1,840 / 64) = 28.75 .

28 boxes weigh 1,792 pounds, and 29 boxes weigh 1,856 pounds.

28 boxes will leave him with 48 more pounds of capacity,
but 29 boxes would weigh too much.

He should take 28 boxes with him on each trip, and then,
on the last trip, he can use the extra 48 pounds allowed
to take his lunch up with him.

Solve:-

2000 - 160 = 1840

1840 ÷ 64 = 28.75

So, Craig can deliver about 28 boxes on each elevator trip.

Help, ! I’m so lost at this point.

Answers

Remember PEMDAS

Parentheses

Exponents

Multiply/Divide

Add/Subtract

in that order

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