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Mila [183]
3 years ago
10

Math help algebra 2 HELP ASAP!!!

Mathematics
1 answer:
KIM [24]3 years ago
3 0

So this question is basically asking "Of all the blondes, how many prefer morning classes?" For this, we have to add up all the blondes: 10 + 15 + 35 = 60.

Next, we see that there are 10 blondes that prefer morning classes. Using the pieces of info, we can form the probability as 10/60, which can be reduced to 1/6, or the last option as your answer.

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#10) Cross multiply and divide to solve for x*<br> 2/5 = X/70
Annette [7]

Answer:

28=x

Step-by-step explanation:

2/5=x/70

(70/1)(2/5)=x/70(70/1)

here you cancel 70 into 5 to get 14 and on the other side cancel both the 70s

14*2=x

28=x

4 0
3 years ago
Read 2 more answers
What is the value of x in the equation 4(2x + 12) = 0? <br><br> −8<br><br> −6<br><br> 6<br><br> 8
ExtremeBDS [4]
You can skip 4 in that equation and you'll be left with 2x+12=0, which gives you 2x=-12 and finally, x=-6
8 0
4 years ago
Read 2 more answers
A/50 = 3/5 Solve for “a” by cross multiplying then divide.
garik1379 [7]

Answer:

a = 30

Step-by-step explanation:

a/ 50 = 3/5

Using cross products

a*5 = 50 *3

5a = 150

Divide each side by 5

5a/5 = 150/5

a = 30

7 0
3 years ago
Read 2 more answers
Tan x + tan 2x = 0
choli [55]

stated method in question is wrong!

<u>Step-by-step explanation:</u>

We need to find the general solution of x ! for the equation tan x + tan 2x = 0

⇒  tan x + tan 2x = 0

⇒  (tan x + tan 2x)-tan2x = 0-tan2x

⇒  tan x = -tan2x

Now , we know that tan(\pi -2x) = -tan2x

⇒  tan x = -tan2x

⇒  tan x = tan(\pi -2x)

Now , we know that TanA = TanB \\A=B

⇒  tan x = tan(\pi -2x)

⇒  x = \pi -2x

⇒  3x = \pi

⇒  x = \frac{\pi}{3}     ......(1)

General solution of Tan x is : x = n\pi + \alpha , \

Here , from equation (1) we get  \alpha =\frac{\pi }{3} . Hence general solution is :

⇒ x = n\pi +\frac{\pi }{3} .Therefore , stated method in question is wrong!

4 0
3 years ago
Solve –19 = x – 4. A. x = –76 B. x = 25 C. x = –15 D. x = –23
drek231 [11]

Answer:

The answer is : -15 (C)

Step-by-step explanation:

–19 = x – 4

x - 4 = -19

x = -19 + 4

x = -15

6 0
3 years ago
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