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BigorU [14]
3 years ago
11

Please help me, I need help I don’t know what to do. Last question.

Mathematics
2 answers:
Marina86 [1]3 years ago
8 0
The complete answer is 5/21
Phantasy [73]3 years ago
4 0

Answer:

B. 5/21 chance

Step-by-step explanation:

The probability he gets the black marker first is 5/7. The probability he gets a blue marker after his black marker not replaced is 2/6 or 1/3. 1/3*5/7 is 5/21

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A store is instructed by corporate headquarters to put a markup of 43​% on all items. An item costing ​$7 is displayed by the st
docker41 [41]

Answer:

The correct price is 10.01

Step-by-step explanation:

The manager multiplied the price by 43%, instead of noticing the words "mark up", which means the price increased by 43 percent and the cost is multiplied by 143/100!

6 0
3 years ago
A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 280 yards long. What is the area of
jekas [21]

Answer:

area=56000 yards²

Step-by-step explanation:

first divide 280 by 7 and get 40

scale factor is 40

5x40=200

200x280=56000

area=56000 yards²

7 0
4 years ago
Annie loves giving away puppies. When her friend Bobby walks by, she instantly gives him 50% of her puppy stash. Bobby, stunned
mihalych1998 [28]
I think that she started with 10.. I'm not 100% sure, though
4 0
3 years ago
What is b if the area is 140 units
olga nikolaevna [1]

Answer:

what are the options?

Step-by-step explanation:

8 0
3 years ago
Please help final exam
Finger [1]
I think the answer here would be D. When it rains several inches, the water level of the lake increases, because the word Causation means: the relationship between cause and effect; causality. If it rains a lot, it will cause the lake to increase. ( if help on ur exam use Socratic and brainly!❤️) Hope you do well!!!
6 0
3 years ago
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