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miv72 [106K]
4 years ago
7

Can someone please answer. There is one problem. There's a picture thank you!

Mathematics
1 answer:
IceJOKER [234]4 years ago
3 0
If you take two letters at a time, you treat them as one, so it's like you have 5 letters in total.

5!=120
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you help a teacher move books. the math books weigh 3 pounds each. the science books weigh 4 pounds each. you can carry 24 pound
Radda [10]

Answer:

  • see the attachment for a graph
  • yes, you can carry 5 math books in one load (along with 0–2 science books)

Step-by-step explanation:

If x and y represent the number of math and science books you're carrying, respectively, then 3x and 4y represent their weights in pounds.

The total weight of the carry will be 3x+4y, and you want that to be at most 24 pounds. The expression modeling this is ...

... 3x +4y ≤ 24

A graph of this inequality is shown in the attachment. (We have added the constraints that the number of books not be negative.)

___

5 math books will weigh 5·3 = 15 pounds, so will be within the limit you can carry.

3 0
4 years ago
X^2 +3x+37=0 Help solve
hammer [34]

Answer: x =(3-√157)/2=-4.765

x =(3+√157)/2= 7.765

Step-by-step explanation:

7 0
3 years ago
You draw a card at random from a deck that contains 333 black cards and 777 red cards. What is \text{P(draw a black card})P(draw
enot [183]

Answer:

The probability of picking a black card at random, from a deck with 3 black cards and 7 red ones is 0.3.

Step-by-step explanation:

We will assume that we have 3 black cards and 7 black cards, for a total of 10 cards. Since we are taking one card at random, we can assume that each card is equally likely to be drawn. We have the following event A: The drawn card is a black. We will find the probability of A as counting the number of outcomes that make A to occur and divide it by the total number of possibilities. We are drawing one card, so we have 10 possibilities to be picked. Out of those 10, only 3 cards are black, hence we have 3 possibilites of picking a black card.

Then,

P(A) = 3/10 = 0.3.

6 0
3 years ago
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Llana [10]

Answer:

The area is multiplied by 4

Step-by-step explanation:

4x4=16 (area 1)

4(x2)x4(x2)=64 (area 2 (with the measurements doubled)

64/16=4

6 0
3 years ago
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Please help me asap.<br> Prove that:<br><br> Sin(A+B).Sin(A-B)=Sin²A.Sin²B
kow [346]

Answer:  Sin²A.Sin²B*

7 0
3 years ago
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