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Olin [163]
3 years ago
7

Mrs. Jolley is thinking of buying solar panels to put on the roof of her new house. The sunny solar company told her that for ev

ery 2 panels, she will save $60 on her electric bill.
(a) Draw a model or make a visual representation for the ratio for the panels to the money that she will save on her electric bill.


(b) Write the ratio of panels to money saved as a reduced fraction.
Mathematics
1 answer:
Nataliya [291]3 years ago
8 0

Answer:

y = $30x ;

1 : $30

Step-by-step explanation:

Given that :

$60 is saved in electricity bill for every 2 panels

Model, y

Amount saved, y = amount saved per panel * number of panels

Let number of panels = x

Hence, total amount saved, y ;

y = $30x

Ratio of panels to money saved :

Number of panels : amount of money saved

2 : $60

1 : $30

Hence, $30 is saved in cost of electricity bill per 1 solar panel purchased.

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An item costs $45.60. If there is a 30% discount on the item, what is the discounted cost of the item?
kondor19780726 [428]
Discounted Cost= Cost of Item - (Cost of Item * % Discount)


= $45.60 - ($45.60 * 30%)
convert % to decimal (30% ÷ 100)

= 45.60 - (45.60 * 0.30)
multiply in parentheses

= 45.60 - 13.68

= $31.92 discounted cost


ANSWER: The discounted cost of the item is $31.92 (savings of $13.68).

Hope this helps!  :)
6 0
3 years ago
Hey guys can u tell me if the top is correct if its not can u show me step by step what to do and what the answer will be and ca
ASHA 777 [7]
You have the right idea and you are close to the correct answer. However that's not what your teacher is looking for in terms of steps.

The starting inequality is b + 8 \ge 20
She starts off selling 8 buckets. Then she sells b more to get a total of b+8
This total must be 20 or larger which is why I set b+8 greater than or equal to 20

Solve for b by subtracting 8 from both sides

b + 8 \ge 20

b + 8-8 \ge 20-8

b \ge 12

So she needs to sell at least 12 more buckets to reach her goal

If you graphed this on a number line, then you would draw a closed circle at 12. Then shade to the right of the close circle. 
6 0
3 years ago
In right triangle RST, with m∠S = 90°, what is sin T?
nika2105 [10]

Answer:

Step-by-step explanation:

Sin(t)

Type in Sin in your calculator

Then the ‘t’ stands for the angle

So....

Sin(90)

4 0
3 years ago
You can just copy this answer and get brainly
Verizon [17]

Answer:

Start at the

✔ origin

.

Move 3 units

✔ right

.

Move 6 units

✔ up

.

Plot a point.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
An equation is shown below. 12 - 9 + c = 12 What value of c makes the equation true?
kvasek [131]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ 12 - 9 = 3

3 + c = 12

c = 12 - 3

c = 9

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

7 0
3 years ago
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