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3 years ago

Lol, please help me this is so hard ;w;.

Mathematics

2 answers:

MAVERICK [17]3 years ago

7 0

Check quizlet man it will give you everything you need

grigory [225]3 years ago

7 0

Use quizlet it’s better ;0;

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What is -27 equals 4.5 s

iVinArrow [24]

If the sine if 4/5, then the side opposite is 4 and the hypotenuse is 5. This means it's the 3, 4, 5 right triangle (or similar, such as 6, 8, 10).
cos = 3/5
tan = 4/3
cot = 3/4
sec = 5/3
csc = 5/4

4 0

3 years ago

Factor 15y2 + 10y − 40.

Vaselesa [24]

see how it do it in the picture and hope it helps you..

3 0

3 years ago

You have a bag of 12 marbles. Four are blue, 6 are green, 2 are red, and the others are yellow. What is the probability of drawi

8090 [49]

Answer:

$Probability = \frac{1}{11}$

Step-by-step explanation:

Given

$Blue = 4$

$Green = 6$

$Red = 2$

$Total = 12$

Required

Determine the probability of drawing red and green without replacement

This is calculated as follows:

$Probability = P(Red\ and\ Green)$

$Probability = P(Red)\ and\ P(Green)$

$Probability = \frac{n(Red)}{Total} * \frac{n(Green)}{Total - 1}$

We used Total - 1 because it's a probability without replacement:

$Probability = \frac{2}{12} * \frac{6}{12- 1}$

$Probability = \frac{2}{12} * \frac{6}{11}$

$Probability = \frac{1}{6} * \frac{6}{11}$

$Probability = \frac{1}{11}$

<em>Hence, the required probability is 1/11</em>

5 0

3 years ago

Hhhghjghzhdjdjdiifhjdjdb

beks73 [17]

The third one is the answer but i may be wrong

3 0

3 years ago

Plz answer my question

Alecsey [184]

2x + 1 = 9
First step is to remove the integer (whole number)
Remove 1
2x = 8
Then divide by 2 to find x
x = 4

P = 58 inches
58 = 2 x height + 2 x width
58 = 2h + 2w
58 = 2 x 18 + 2w
58 = 36 + 2w
Get rid of the whole numbers
22 = 2w
Divide b 2 to find w
w = 11

3 0

3 years ago