MATHEMATICS MIDDLE SCHOOL

What is 18 times 12 for baseball cards

Answers

Answer 1
Answer:

18*12= 216 cards


I hope that's help:0
Answer 2
Answer: 18*12=216 baseball cards.
Check this by doing 216/12=18, or 216/18=12.

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What is the formula for Slope-Intercept Form of the Line

Answers

It's not the slope-intercept form of the line. 

It's the slope-intercept form of the line's equation.

                   Y = mX + B

'X' is the slope of the line

'B' is the y-intercept of the line
The formula would be : m = [y1 - y2] / [x1 - x2] 

In a group of 10 students, 7 are 13 years old and 3 are 17 years old. What is the average (arithmetic mean) age of these 10
students?

Answers

7.1, or 7 if you have to round it
the average is 7.1 .

What is the y-intercept in the following equation: y=-4x-5

Answers

Answer:

the y-intercept would be (0,-5).

Step-by-step explanation:

the standard equation for slope is y=mx+b. b always represents the y-intercept

Tina equally shares 8 cookies among herself and her 4 friends. which fraction shows how many cookies each person getsPLZ ASAP

Answers

Answer: 1 3/5

Step-by-step explanation:

if you have 8 cookies and want to share it with 5 total people you divide it so 8/5 is 1.6

In △PKQ, PK = KQ = 12, m∠P = 35º. Find PQ.

Answers

The length of PQ is 19.66 units

Step-by-step explanation:

The given is:

1. PK = KQ = 12

2. m∠P = 35º

We need to find the length pf PQ

∵ PK = KQ

∴ m∠P = m∠Q

∵ m∠P = 35°

∴ m∠Q = 35°

The sum of measures of the angles of a triangle is 180°

∴ m∠P + m∠Q + m∠K = 180°

∴ 35 + 35 + m∠K = 180

∴ 70 + m∠K = 180

- Subtract 70 from both sides

∴ m∠K = 110°

Let us use cosine rule to find the length of PQ

∵ PQ = \sqrt{(KP)^(2)+(KQ)^(2)-2(KP)(KQ)cos(K)}

∵ PK = 12 , KQ = 12 , m∠K = 110°

- Substitute these values in the rule

∴ PQ = \sqrt{(12)^(2)+(12)^(2)-2(12)(12)cos(110)}

∴ PQ = 19.66

The length of PQ is 19.66 units

Learn more:

You can learn more about triangle in brainly.com/question/12985572

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PLEASE HELP : Math middle school how to make fractions into decimals -4 4/25

Answers

4/25 is 0.16 I think in my way sorry if I am wrong
-(4+4/25)

= -(4+16/100)

=-(4.00 + 0.16)

= -4.16
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