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BARSIC [14]
3 years ago
13

PLEASE HELP AND PLEASE EXPLAIN IM BEGGING YOU. Ms. Woody checks 20 papers in 4 minutes.

Mathematics
1 answer:
Wewaii [24]3 years ago
7 0

Answer

5 and 1360

Step-by-step explanation:

If you divide 20 by 4 it is 5

If you times 20 by 68 mins then it is 1360

Always divided the two numbers they give you to find the rate which is 5 and then you times 68 to 20 to get 1360

Hope this helps

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Find the value of a and b. a) 144, 67 b) 144, 36 c) 113, 67 or d) 113, 36
TEA [102]
Work shown above! Answer is
a = 144
b = 67

7 0
3 years ago
I need help on dependent and independent events
strojnjashka [21]
In other words, the event<span> has no effect on the probability of another </span>event<span> occurring. </span>Independent events<span> in probability are no different from </span>independent events<span> in real life. ... When two </span>events<span> are </span>independent<span>, one </span>event does not influence the probability of another event<span>.</span>
7 0
3 years ago
Which expression is equivalent to 4^4 ⋅ 4^−9?
melomori [17]
<span>4^4 ⋅ 4^−9 = 4^(4-9)
</span>= 4^-5
1 / (4^5)

Answer: fraction 1 over 4 to the power 5
7 0
3 years ago
The Wallow Fire of 2011 burned 538,000 acres in eastern Arizona. a. If one square mile is 640 acres, how many square miles did t
balu736 [363]

a) The fire burnt 840.6 square miles

b) The fire burnt 16.8 tempe

Step-by-step explanation:

1 square mile = 640 acres

a) to find how many square miles did the fire burn:

Total area the fire burn = 538000 acres

1 square miles = 640 acres

Concert the acres into square miles

538000/ 640 = 840.6 square miles

The fire burnt 840.6 square miles

b) 50 square miles= 1 temperatures

The no. Of tempe the fire burn = 840.6/50

= 16.8 tempe

The fire burnt 16.8 tempe

4 0
3 years ago
Solve for v: -10=-5/4v
vagabundo [1.1K]

Answer:

v = 8

Step-by-step explanation:

-10= -5/4v first multiply both sides of the equation by -4/5

-10(-4/5) = v this cancels out the right side.

multiply the left side.

so you are left with 40/5 = v

next, simplify you will get 8=v

8 0
3 years ago
Read 2 more answers
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