MATHEMATICS HIGH SCHOOL

A group of 8 friends (5 girls and 3 boys) plans to watch a movie, but they have only 5 tickets. If they randomly decide who will watch the movie, what is the probability that there are at least 3 girls in the group that watch the movie? A. 0. 018 B. 0. 268 C. 0. 536 D. 0. 821.

Answers

Answer 1

Answer:

Answer:

B. 0.268

Step-by-step explanation:

if there are more than half boys then girls it as t be und .5 since that's half and .018 is to low

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What value or values of x satisfy 2|x+5.3|=4.2a. x can only equal –3.2.
b. x can only equal 7.4.
c. x can equal –3.2 or –7.4.
d. x can equal –3.2 or 7.4.

Answers

we have

$2\left|x+5.3\right|=4.2$

Step 1

Find the first solution (case positive)

$2(x+5.3)=4.2$

Eliminate the parenthesis left side

$2x+10.6=4.2$

Subtract $10.6$ both sides

$2x=4.2-10.6$

$2x=-6.4$

Divide by $2$ both sides

$x=-3.2$

Step 2

Find the second solution (case negative)

$2[-(x+5.3)]=4.2$

Eliminate the parenthesis left side

$-2x-10.6=4.2$

Adds $10.6$ both sides

$-2x=4.2+10.6$

$-2x=14.8$

Divide by $-2$ both sides

$x=-7.4$

therefore

the answer is the option C

x can equal –3.2 or –7.4

We have, /x+5.3/ = 2.1;
Then, x + 5.3 = 2.1 or x + 5.3 = -2.1;
x = 2.1 - 5.3; x = -3.2;
x = -2.1-5.3; x = -7.4;
The correct answer is c.

what is the solution to the system of equations? y =1/3 x – 10 2x y = 4 (–8, 6) (–6, 16) (6, –8) (16, –6)

Answers

Answer:

Option C is correct.

Solution to the given system of equation is (6 , -8)

Step-by-step explanation:

Given the system of equation:

$y= (1)/(3) x-10$ ......[1]

$2x+y =4$ .....[2]

Substitute the equation [1] in [2] we get;

$2x +(1)/(3)x -10 =4$

Combine like terms;

$(7)/(3)x -10 =4$

Add 10 to both side of an equation:

$(7)/(3)x -10 +10=4+10$

Simplify:

$(7)/(3)x =14$

Divide both sides by $(3)/(7)$ we get;

$(3)/(7) * (7)/(3)x = 14 * (3)/(7)$

Simplify:

x = 6

Substitute the value of x =6 in equation [1] we get;

$y= (1)/(3)(6)-10$

$y= 2-10$

Simplify:

y = - 8

therefore, the solution to the given system of equation is; (6 , -8)

You can also see in the graph as shown below:

y = 1/3 x - 10
2x + y = 4
2x + 1/3 x - 10 = 4
7/3 x = 14
x = 6
y = 1/3(6) - 10 = 2 - 10 = -8
Therefore solution is (6, -8)

Is it possible for ones persons weight to be 200% more than another persons weight

Answers

yes, it is- they would be 3 times as heavy.
Hope this helps

yes it is possible example a baby that weighs 10 lbs and an child that weighs 30 lbs

Here is a picture of a math problem.

Answers

y = 3x-5
(3, ) - your x is 3 in that case, y = 3*3-5 = 4 - answer (3,4)
(4, ) - your x is 4, y = 4*3-5 = 7 - answer (4,7)
( ,10) - your y is 10:
10 = 3x - 5
3x = 15
x = 5 - answer (5, 10)

Solution pairs - (3, 4); (4, 7); (5, 10)

Solve for x: log6x-log2=1

Answers

$log6x-log2=1;\ D:6x > 0\to x > 0\to x\in\mathbb{R^+}\n\nlog6x-log2=1\n\nlog\left(6x:2\right)=log10^1\n\n3x=10\ /:3\n\nx=(10)/(3)\n\nx=3(1)/(3)\in D$

$a > 0\ \wedge\ b > 0\ \wedge\ c > 0\ \wedge\ d\in\mathbb{R}\n\nlog_ab-log_ac=log_a(b:c)\n\nlog_ab=d\iff\ a^d=b\ \ (log_ab=log_aa^d)$

Log(6x/2)=1
Log(3x)=1
This is the same as saying 10^1=3x
10=3x
x=10/3 or 3 and 1/3

PLEASE PLEASE HELP!! NO ONE IS ANSWERING!! this is geometry ://

Answers

Answer:

onse sec and ill help

Step-by-step explanation:

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