MATHEMATICS MIDDLE SCHOOL

What is the value for n-(-5)=35

Answers

Answer 1

Answer: n - (-5) = 35
n = 35 + (-5)
n = 30

Answer: 30

Answer 2

Answer:

Answer:

Step-by-step explanation:

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A survey of 46 college athletes found that 24 played volleyball, while 22 played basketball. a) If we pick one athlete survey participant at random, what is the probability they play basketbali? b) If we pick 2 athletes at random (without replacement), what is the probability we get one volleyball player and one basketball player?

Answers

Answer:

A) $(11)/(23)$

B) $(88)/(345)$

Step-by-step explanation:

A survey of 46 college athletes found that

24 played volleyball,
22 played basketball.

A) If we pick one athlete survey participant at random, the probability they play basketball is

$P_1=(22)/(46)=(11)/(23)$

B) If we pick 2 athletes at random (without replacement),

the probability we get one volleyball player is $(24)/(46)=(12)/(23);$
the probability we get another basketball player is $(22)/(45)$ (only 45 athletes left).

Thus, the probability we get one volleyball player and one basketball player is

$P_2=(12)/(23)\cdot (22)/(45)=(88)/(345)$

I have five questions I really need help with so please don't just scroll on by. I really need help so PLEASE HELP!!!!!!!!!1.Two trapeze artists are standing on top of their platforms holding their trapezes, as shown below. The two triangles formed are similar and angle A is congruent to angle B.

In the diagram, the measure of angle A = 68°, c = 35 feet, and d = 52.5 feet.

What is the measure of angle E?
A.68°
B.22°
C.85.5°
D.32°

Answers

The angle will be 22 degrees since anything bigger that 90 degrees wont work.

Tiffany a commissioned sales person, earns $100 base pay plus $10 per item sold. Express her gross salary G as a function of the Number x of items sold

Answers

G = 100 + (10*x)

depending on x, G will be Shown

The circumfrence of a ball is 60cm. The ball rolls 16.2m. How many times does the ball make one complete roll?

Answers

$1 roll=circumference$

$(distance)/(circumference) =rolls$

$(16.2m)/(60cm) =rolls$

$((16.2*100)cm)/(60cm) =rolls$

$(1620cm)/(60cm) =rolls$

$27 = rolls$

$27times$

Consider the following function.f(x) = √x - 2
Which of the following graphs corresponds to the given function?

Answers

Answer:

Graph Z

Step-by-step explanation:

The radical parent function is

$g(x)=√(x)$

The given function is

$f(x)=√(x-2)$

$f(x)=g(x-2)$ .... (1)

The translation is defined as

$f(x)=g(x+a)$ .... (2)

If a>0, then the graph shifts a units left and if a<0, then the graph shifts a units right.

From (1) and (2) we get

$a=-2$

The value of a is negative so the graph of parent function shifts 2 units right.

Therefore, the graph Z represents the given function.

The letter z is the correct answer

Find the volume of the prism. Round to the nearest tenth if necessary.

Answers

The volume of a prism = the area of the base × the prism's height
$V=Bh$

Our base is a triangle, which has this area formula:
The area of a triangle = 1/2 × the triangle's base × the triangle's height
$A=\frac12bh$

Let's plug in 6 for the base of our triangle and 5.2 for its height.
$A=\frac12*6*5.2$
Crunch some numbers...
$A=15.6$

Now that we know the area of the base, let's find the volume of our prism.
$V=Bh$
Let's plug in 15.6 for the area of the base and 9 for the height of the prism.
$V=15.6*9$
Crunch some more numbers...
$V=140.4$
Remember to add your units!

$\boxed{V=140.4\ m^3}$

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