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ella [17]
3 years ago
13

The question, “How many ways can 4 students be chosen from a class of 30 students?”, is a(n) _____. combination

Mathematics
2 answers:
Arturiano [62]3 years ago
7 0

B permutation hope this helps!

Lana71 [14]3 years ago
6 0
Answer is A-combination! Hope I helped
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What are the solutions of the equation 6x2 + x-1=0 ?
Aleksandr [31]

Answer:

<u>Options B and D</u>

Step-by-step explanation:

6x² + x - 1 = 0

6x² + 3x - 2x - 1 = 0

3x(2x + 1) - 1(2x + 1) = 0

(3x - 1)(2x + 1)

x = 1/3 and -1/2

<u>Options B and D</u>

6 0
2 years ago
ΔCDE is reflected over the x-axis. What are the vertices of ΔC'D'E' ?
sattari [20]

Answer:

B.

Step-by-step explanation:

When reflecting over the x-axis:

(x, y) (x, -y)

The y changes signs (+, -)

7 0
2 years ago
6h − (9−3h) = 6 − 3 (h+2) <br><br> h=3/2 <br><br> h=3/4 <br><br> h=17/6 <br><br> h=7/2
Andre45 [30]
I would try going with h =7/2 if that is wrong just rate me 1
3 0
3 years ago
What is the center of the data?
satela [25.4K]

Answer:

Median = 13

Step-by-step explanation:

Given

See attachment for dot plot

Required

The center of data

This implies that, we calculate the median

From the attached plot,

n = 13 --- number of observation

So, the median is:

Median = \frac{n + 1}{2}

Median = \frac{13 + 1}{2}

Median = \frac{14}{2}

Median = 7th

The median is at the 7th position

At the  7th position, is 13

Hence:

Median = 13

5 0
3 years ago
Read 2 more answers
a bucket contains 3 1/2 gallon of water. If Marie adds 5 gallons more, how many gallons of water will there be in all?​
Klio2033 [76]

Answer:

8 1/2

because 3 + 5= 8+ 1/2= 8 1/2

5 0
2 years ago
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