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RUDIKE [14]
3 years ago
15

Please help me and please hurry.

Mathematics
1 answer:
valentina_108 [34]3 years ago
7 0
-9 GOOD LUCK ON YOUR TEST!!!!
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Kate decides to replace all the lights in her college apartment with energy saving light bulbs beginning this month. The packagi
tatyana61 [14]

Answer:

Kate's electric bill will be $9 for this month for bulb use only.

Step-by-step explanation:

Given:

Electricity bill lass month from bulb use = $12

Using new bulbs percent decrease in electricity = 25%

We need to find this month electric bill for bulb use.

Solution:

First we will find the reduction in bill after using new bulbs.

reduction in bill after using new bulbs can be calculated by percent decrease in electricity using new bulb multiplied by last month Electricity bill from bulb use only.

framing in equation form we get;

reduction in bill after using new bulbs = \frac{25}{100}\times 12 =\$3

Now we will find this month electric bill for bulb use only.

this month electric bill for bulb use only can be calculated by subtracting reduction in bill after using new bulbs from last month electric bill for bulb use only.

framing in equation form we get;

this month electric bill for bulb use only = \$12-\$3=\$9

Hence Kate's electric bill will be $9 for this month for bulb use only.

3 0
3 years ago
Please i could really use your help
Elodia [21]

ermano envia foto de lo que necesitas yo te ayudo

5 0
3 years ago
A flower bed is 6 feet wide and 10 feet long? What is the area of the flower bed in square meters? Round your answer to the near
kondor19780726 [428]
I think the answer is 60square meters round to 100meters square
8 0
3 years ago
Write an expression that represents "10 less than y"?
Kryger [21]
10 less than y

y - 10 should be your expression

hope this helps


5 0
3 years ago
Cynthia invests some
never [62]

Answer:

The smallest amount is £6911

Step-by-step explanation:

Rate of Interest = R = 5% per year

Duration in years = n = 3 year

Amount expected after three years when compounded annually =  A = £8000

Formula for Amount of compound interest annually is a follows

A = P( 1 + R/100)^n

In our case Principal P = x , Amount A = 8000 , R = 5% and n = 3( since compounded annually). On substituting these values in above formula we get

8000 = x ( 1 + 5/100)^3

⇒8000 = x ( 105/100)^3

⇒8000 = x ( 21/20 )^3

⇒(8000 × 20 × 20 × 20)/(21×21×21) = x

⇒x = 6910.70≈6911

5 0
3 years ago
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