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2 years ago

I HAVE 4 QUESTIONS LEFT 203 POINTSS!!

Mathematics

1 answer:

HACTEHA [7]2 years ago

5 0

Answer:

3/2 = 5d -1/2

3/2 plus 1/2 is 4/2 (2)

2= 5d

5d/2 is 2.5

answer is 2.5

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Factor please.<br> m^2 - 64n^2

rewona [7]

Answer:

(n - 8n)(m+8n)

Step-by-step explanation:

x² - y² = (x - y)(x + y)

In this situation, the "x" = m and the "y" = 8n

So,

m² - 64n² = (n - 8n)(m+8n)

5 0

2 years ago

Read 2 more answers

If sin theta = -1/2 and lies in the third quadrant, what is the cos?

never [62]

Sin angle that equals the 1/2 value is the 30 degree on the 1st Quadrant.

The angle of 30 degree on the 3rd Quadrant is equivalent to (formula and circle in the 1st photo) 180 + 30 = 210°.

So theta = 210° (3rd Quadrant) = 30° (1st Quadrant).

$cos \: 30\degree = \sqrt{3} \div 2$

Now just transfer the cos 30° to the 3rd Quadrant and the signal will be negative (as shown in the 2nd photo attached).

$cos \: 210 \degree = - \sqrt{3} \div 2$

5 0

3 years ago

Find the slope given the points (2, −7) and (−1,<br> 6).

lesya [120]

Answer:

The Slope= -13/3

y-intercept= (0,5/3)

Step-by-step explanation:

m= change in y/change in x

m= y2-y1/x2-x1

m=6-(-7)/ -1-(2)

m=-13/3

4 0

2 years ago

Take a deck of playing cards form following sets out of those

swat32

The information given about the probability shows that the cardinality of D is 18.

<h3>How to calculate the probability?</h3>

From the complete information, the number of red-colored cards is 26.

Also, the number of red-colored number cards will be 18.

The cardinality of a set is a measure of a set's size, meaning the number of elements in the set.

Here, the cardinality of set D is 18.

Here is the complete question:

Take a deck of playing cards. Form following sets out of those:

A = Set of Face Cards

B = Set of Red Coloured Face cards

C = Set of Black Coloured Face Cards

D = Set of Red Coloured Number Cards

Find the Cardinality of set D

Learn more about probability on:

brainly.com/question/24756209

#SPJ1

7 0

1 year ago

‼️‼️‼️‼️‼️ is two correct? Also what’s number 3?‼️‼️‼️‼️

LenaWriter [7]

Answer:

C) P AND E

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers