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Montano1993 [528]
3 years ago
6

Sue wants to buy a couch. She can get:

Mathematics
1 answer:
Nataliya [291]3 years ago
6 0

Answer:

\frac{1}{16}.

Step-by-step explanation:

The probability that she will buy a loveseat is \frac{1}{2}.

The probability that she will buy a blue cover is \frac{1}{2}.

The probability that she will buy a washable cover is \frac{1}{2}.

The probability that she will buy a pullout bed is \frac{1}{2}.

So,by multiplication principle , the probability that she will buy a blue loveseat with a washable cover and pullout bed is \frac{1}{2}×\frac{1}{2}×\frac{1}{2}×\frac{1}{2} = \frac{1}{16}

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Q12 Wendy is putting sweets into packets.
KonstantinChe [14]

Answer:

8

Step-by-step explanation:

Step 1: There are 9000 sweets right?

and she puts 45 per packet, so do 9000 ÷ 45 and you should get 200

Step 2: She puts in 25 per box so then Do 200 ÷ 25 and you should get your answer of 8 boxes

3 0
3 years ago
Find the value of W and X
notka56 [123]

Answer:

W = 13.33

X = 13.10

Step-by-step explanation:

You use Trig

S = O/H. C = A/H. T = O/A

For W we have to find Adjacent using Opposite, so we're going to use Tangent

Now we have Tan = O/A and rearrange this to find Adjacent

Tan = O/A --> ATan = O --> A = O/Tan

then we plug in A = 12/Tan(42°) which gives us 13.3273.... I usually round up to the 2nd decimal, so 13.33

To find X we do the same thing with a little bit of additional work

Since we already did the work for the last one, we can just skip a few of those steps

A = 12/Tan(27°) which gives us 26.4322..... or 26.43

But that gives us the whole bottom bit, which is X+W, so just subtract the W

26.43 - 13.33 = 13.10

Sorry if I'm bad at simplifying my wording

I hope this is correct, my math seems right, but the picture is not to scale

6 0
3 years ago
Read 2 more answers
Wright a variable expression for the word phrase, "the product of a number z and 7" A: 7 - z
drek231 [11]
Product means to multiply so, C
3 0
3 years ago
Help! I'm a little stumped when it comes to variables in matrices. An explanation would be super rad!
iris [78.8K]

Answer:

30

Step-by-step explanation:

To find the determinant of a 3x3 matrix, you can use this method. (See picture.)

Start with the first number in the top row, and block off the row and column.  A 2x2 matrix will be left.  Find the determinant of this 2x2 matrix, and multiply it by the number in the top row.

Repeat for the other two numbers in the top row.  Add the first result, subtract the second, and add the third.

det A = -2 [(3)(-5) − (a)(0)] − 2 [(0)(-5) − (a)(0)] + b [(0)(0) − (3)(0)]

det A = -2 (3)(-5) − 0 + 0

det A = 30

8 0
3 years ago
Which number line represtents the solution to |x+4|=2?​
vlada-n [284]

Answer:

Points -2 and -6 on the number line are the two solutions.

Step-by-step explanation:

Use the definition of absolute value as a starting point

|x|=x\,\,\mbox{for}\,\,x\geq 0\\|x|=-x\,\,\mbox{for}\,\,x

To solve the equation, you need to treat the two cases as above:

|x+4|=x+4=2\,\,\,\mbox{for}\,\,x+4\geq 0\implies x\geq -4\\x+4=2\implies x=-2

The solution x=-2 is consistent with the condition x>=-4, so it is the first and valid solution. Now the second case of the absolute value:

|x+4|=-(x+4)=2\,\,\,\mbox{for}\,\,x+4< 0\implies x

Again, the second solution -6 complies with the requirement that x<-4, so it is valid.

7 0
3 years ago
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