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Arada [10]
3 years ago
13

Hector is opening a bakery. He plans to start by selling cakes. It costs him $4 for each cake, $1.75 per box for the cakes, and

$0.30 cents a bag. Hector also spends $800 on rent, $90 on electricity, and $85 on advertising each month. What is the cost function for Hector's bakery per month?

Mathematics
2 answers:
frez [133]3 years ago
5 0

Answer: D) C = 6.05<em>n</em> + 975

Step-by-step explanation: Ok, let's add up the price for the cake, bag, and box per cake.

$4 + $1.75 + $0.30 = $6.05

Now, let's add up all the rent, electricity, and advertising.

$800 + $90 + $85 = $975

Therefore, the answer is D

I hope this helps!

tatiyna3 years ago
4 0

Answer:

D

Step-by-step explanation:

because if you add the numbers up you will get the answer easy :)

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Madelyn takes 8 quizzes each week. Is the total number of quizzes Madelyn takes
Ierofanga [76]

Answer:

yes.

Step-by-step explanation:

It doesn't say how long a quarter is for Madelyn's school, but we can assume its around 8 weeks or half a semester which would mean one quiz per week. 1:1 quiz to week ratio is proportional.

4 0
2 years ago
Which of the following are solutions to the equation below?
Zarrin [17]

Answer:

D, E

Step-by-step explanation:

(4x - 1) ^2 = 11      =>             (take square roots of both sides)

4x - 1 = +\- sqrt(11)  =>           (Add 1 to both sides)

4x - 1 + 1 = 1 +\-sqrt(11) =>

4x + 0 = 1 +\- sqrt(11) =>        (Divide both sides by 4)

x = ( 1 +\- sqrt(11) ) /4

Which are choices D and E

7 0
2 years ago
How shall i find the square root of 169 without using calculator?? please describe briefly..
kvv77 [185]
Without experience that would help you recognize it right away, I think
you would just need to try numbers until you find it.

Pick a number, multiply it by itself with pencil and paper, and see if it works.

(2)² = 4     too small
(3)² = 9     too small, and not growing fast enough; this could take all day 
(10)² = 100    still too small
(15)² = 225    oops, too big; go back down
(12)² = 144    too small
(14)² = 196    too big
(13)² = 169    just right;  hope the bears don't come back too soon
8 0
3 years ago
Which of the following equations is an example of inverse variation between the variables x and y
Sonbull [250]

Answer:

The answer is y = 6/x ⇒ answer A

Step-by-step explanation:

* Lets revise what is the meaning of the inverse variation

- It is a mathematical relationship between two variables

- It can be expressed by an equation in which the product of two

 variables is equal to a constant

- If y is in inverse variation with x

∴ y ∝ 1/x

- Change this relation to equation

∴ y = k/x, where k is the constant of the variation

- We can write it by another way

∵ y ∝ 1/x

∴ y = k/x ⇒ by using cross multiplication

∴ yx = k

* Now lets solve the problem

∵ There is an inverse variation between the two variables x and y

∴ y ∝ 1/x

∴ y = k/x

- Look to the answer

# We will chose A because

∵ y = 6/x  ⇒ use the cross multiplication

∴ yx = 6 ⇒ and 6 is a constant

∴ k = 6

* The answer is y = 6/x

5 0
3 years ago
PLEASE help with 12 :))
Kitty [74]
The answer would be x<-6
7 0
3 years ago
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