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olya-2409 [2.1K]
2 years ago
8

Hoof and mouth disease spreads through a herd of cattle at a continuous rate of 27.08% each day. After 10 days, 30 cows are infe

cted with foot and mouth disease.
A) How many cows were initially infected?

B) What is the daily growth rate of the spread of the disease? Write your answer as a percent.
Mathematics
1 answer:
algol [13]2 years ago
4 0
Answering for points sorry
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The perimeter of a rectangular field is 358 yards. If the length of the field is 95 yards, what is it’s width?
Andrej [43]

Answer:

84 yards (don't forget to label, as my friend failed a test because of it!)

Hope this helps

Step-by-step explanation:

The total perimeter of the field is 358

The are length and widths...

the length is 95

but since there are two lengths...

its 95*2 which is 190

358-190=168

Since there are two widths...

168/2= 84

7 0
2 years ago
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A car drove 148 miles using 4 gallons of gasoline. How many gallons will it take to drive 9 1/4 miles?
Dominik [7]
It would take .25 gallon (or 1/4 gallon) to drive 9 1/4 mile.
8 0
3 years ago
Ieda and Thanh both offer piano lessons. Ieda charges an initial fee of $8.50 and an hourly rate of $11.00. Thanh charges an ini
Trava [24]
The price for each instructor will be the same at 3 hours. How I determined this answer:

First off, you need to add the initial price and hourly price for each person together, so you already know how much it will cost for 1 hour, including the initial fee. Here's how you do it:

Ieda: $11.00 (hourly price) + $8.50 (initial fee) = $19.50 (for 1 hour)

Thanh: $10.50 (hourly price) + $10.00 (initial fee) = $20.50 (for 1 hour)

Now that you have the price for 1 hour including the initial fee, now you need to find the price for each hour after that. Here's how I did that:

I created a graph that looked like this:

Hours:       1                 2                  3               
Ieda:      19.50          30.50         41.50
Thanh:   20.50          31.00         41.50

Here's how I figured out the price for each hour:

Ieda:

Hour 1 (including initial price):
            $11.00 + $8.50 = $19.50
Hour 2 (excluding initial price): Only add the hourly price after Hour 1!
            $19.50 + $11.00 = $30.50 
Hour 3 (excluding initial price):
            $30.50 + $11.00 = $41.50

Thanh:

Hour 1 (including initial price):
            $10.50 + $10.00 = $20.50
Hour 2 (excluding initial price):
            $20.50 + $10.50 = $31.00
Hour 3 (excluding initial price):
            $31.00 + $10.50 = $41.50

So, looking at the graph, their prices are the same once each instruction reaches 3 hours. ($41.50)

I hope I was able to help you! :)
5 0
2 years ago
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PLS HELP ME ASAP I DONT HAVE TIME. IT ALSO DETECTS IF ITs RIGHT OR WRONG.
s2008m [1.1K]

Answer:

∠RUP is 135°

Step-by-step explanation:

First find the angle of QUR

QUS is 90 so you just subtract 45 from 90 and you get 45

QUP is also 90. Add 45 to it this time: 135

8 0
2 years ago
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Omg pls help me i only have a few min left imma cry
hodyreva [135]

Answer:

option B

Step-by-step explanation:

since DA and CB are equal and originate from same line segmnet, they are parallel, so angle D and angle C are equal, angle A and anfle B are equal and angle E is the same for both,

4 0
2 years ago
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