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Svet_ta [14]
3 years ago
9

Plz help me!!!! I have 2 questions for 20 points, be serious about this!

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
8 0

Answer:

b d

Step-by-step explanation:

add then subtract the fractions

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Direct Variation
olga2289 [7]

Answer:

<u>8 home theaters are sold for each $ 500 spent on advertising </u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Advertising ($)     1,000 - $ 2,000 - $ 3,000

Home Theaters      16      -    32       -    48

2. How many  home theaters does the company sell for each $500 spent on  advertising?

As we can see in the graph:

16 home theaters are sold when the amount on advertising is $ 1,000

32 home theaters are sold when the amount on advertising is $ 2,000

48 home theaters are sold when the amount on advertising is $ 3,000

Therefore, we can use this ratio:

x = Number of home theaters that are sold when the amount on advertising is $ 500

16/1,000 = x/500

1,000x = 500 *16

1,000x = 8,000

x = 8,000/1,000

<u>x = 8</u>

3 0
3 years ago
To celebrate there 125 anniversary, a company in Germany produced 125 very expensive teddy bears. The bears,known as the "125 ka
liq [111]

Answer:

The cost of one bear is <u>$47,000</u>.

Step-by-step explanation:

The question is incomplete and the data is missing so the complete question with data is below with attached files:

To celebrate there 125 anniversary, a company in Germany produced 125 very expensive teddy bears. The bears,known as the "125 karat teddy bears", are made mohair,silk and gold thread and have diamond and sapphire eyes.

The chart shows the approximate cost of " 125 teddy bears". Based on the pattern, how much does one bear cost?

Now, to get the cost of one bear.

So, we solve it by using unitary method:

If 4 bears cost = $188,000.

Then 1 bear cost = 188000\div 4=47000

Thus, cost of one bear is $47,000.

Now, we check it by using another pattern of the data:

If 7 bears cost = $329,000.

Then 1 bear cost = 329000\div 7=47000.

Hence, the cost of one bear is $47,000.

Therefore, the cost of one bear is $47,000.

8 0
3 years ago
A new LED light bulb uses 10 watts of power. Since energy = power × time , then the energy used for this light bulb can be found
sergiy2304 [10]

9514 1404 393

Answer:

  150 Wh

Step-by-step explanation:

We know the energy per bulb is 10 Wh per hour, so the total energy used by 3 bulbs in 5 hours is ...

  (10 Wh/(bulb·hour))×(3 bulbs)×(5 hours) = 10·3·5 Wh = 150 Wh

5 0
3 years ago
What is the answer for 6.8 6.9 6.10
Dafna1 [17]
6.11

see- .8 .9 .10 so its .11
6 0
3 years ago
Consider the line y=- 2x+7.
iVinArrow [24]

Answer:

the slope is rhe same -2

Step-by-step explanation:

the slope is the opposite +1/2

3 0
2 years ago
Read 2 more answers
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