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drek231 [11]
3 years ago
8

jordan is chopping wood for the winter. for 10 days on a row he follows the same process: in the morning he chops 20 pieces of w

ood and in the evening he chops an additional 30 pieces of wood on the 11th day jordan chops only 5 pices of wood write a numerical expression with parentheses for the total number of pieces of wood jordan chopped. (do not simplify your expression)
Mathematics
1 answer:
Grace [21]3 years ago
5 0

(20 + 30) \times 10 + 5
I'm 90% sure that's right, sorry if I'm wrong :/
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a system of equations is shown below: equation a: 2c = d − 8 equation b: c = 3d 8 which of the following steps should be perform
Fofino [41]
If you would like to know which of the following steps should be performed to eliminate variable d first, you can find this using the following steps:

equation a: 2c = d - 8      /*(-3)
equation b: c = 3d + 8
__________________
-6c = -3d + 24
c = 3d + 8
__________________
-6c + c = -3d + 24 + 3d + 8
-5c = 32
5c = -32
c = -32/5

<span>The correct result would </span>be: <span>multiply equation a by −3.</span>
3 0
3 years ago
A silo contains 60,000 pounds of grain how many tons are in 60,000 pounds?
Mnenie [13.5K]

Answer:

30 tons

Step-by-step explanation:

4 0
3 years ago
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b. Find and interpret the standard deviation of the number of floors in this data set. Select the correct choice below and fill
Nat2105 [25]

Answer:

Option B. The standard deviation of the number of floors per city is nothing.

Step-by-step explanation:

The standard deviation of a data set is the statistic that measures the deviance or dispersion of the data from the relative mean. In other words, it is is a measure of how spread the numbers are. The standard deviation is given by the following formula:

\sigma = \sqrt{\frac{1}{N}(x-\mu) ^{2}  }

In this case, it is the deviation of the number of floors in the building in the city.

7 0
3 years ago
Mr.Brown has a gate that measures 65 ft by 72 ft. He needs to reinforce the gate by placing a strip of wood on the diagonal of t
Daniel [21]

Answer: 97ft

Step-by-step explanation:

Pythagore

Strip^2 = 65^2 + 72^2 = 9409

Strip = squareroot 9409 = 97 ft

7 0
3 years ago
Answer with explanation please! tysvm!
Aleksandr-060686 [28]

Answer:

c

Step-by-step explanation:

6 X 2 = 12 +5 = 17

6 0
2 years ago
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