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BabaBlast [244]
3 years ago
10

There are 28 students at a Halloween party, 12 of the students are boys. What is the ratio of students to girls at the party?

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
7 0

Answer:

28:16

Step-by-step explanation:

28-12 = 16

12 is the number of boys

16 is the number of girls

Therefore, 28:16 is the answer.

Hope this helps!

mafiozo [28]3 years ago
4 0

Answer:

28:16

Step-by-step explanation:

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Will the following list have a large or small standard deviation?
Hunter-Best [27]

Answer:

the standared deviation =2.87 so it is small

Step-by-step explanation:

to calculate the standard deviation of those numbers:

1- Work out the Mean (the simple average of the numbers)

(7+6+5+8+9+1+0+4+3+2)/10=4.5

Then for each number: subtract the Mean and square the result.

[(7 - 4.5)^2 + ... + (2 - 4.5)^2]/10=8.25

√8.25=2.87≅3

7 0
3 years ago
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Use the drop-down menus to identify the values of the
tia_tia [17]

Answer:

Vertex= (0,4)

Domain= x: all real number

Range: ( - ∞, 4] or y ≤ 4

<u>OAmalOHopeO</u>

6 0
3 years ago
Sophia trains with her friend Aisha on a 5-kilometer trail near their school.
KatRina [158]

Answer:

y = 7x

y = 5.5x

Sophia

Step-by-step explanation:

Given that:

Aisha runs 1 km in 7 minutes :

Aisha's function :

y = 7x

x = number of kilometers and y is the number of minutes

For Sophia :

Slope = change in y / change in x = (15.5 - 10) / (1 - 0)

Slope = 5.5

Hence, Sophia :

y = 5.5x

Hence, Sophia runs faster as she completes one kilometer in 5.5 minutes. Which is lesser Than Aisha's time. Of 7 minutes.

4 0
3 years ago
A trampoline has a jumping surface that is 10.3 feet long and 9.2 feet wide. What is the area of the jumping surface?
abruzzese [7]

Answer:

10.3*9.2

the answer is 94.76

:)

6 0
4 years ago
Suppose Tommy walks from his home at (0, 0) to the mall at (0, 7), and then walks to a movie theater at (5, 7). After leaving th
BaLLatris [955]
For this case, what we must do is find the distance between each ordered pair.
 For this, we use the formula of distance between points.
 We have then:
 d =  \sqrt{(x2-x1)^2+(y2-y1)^2}

 For (0, 0) and (0, 7):
 
d1=\sqrt{(0-0)^2+(7-0)^2}
 d1=\sqrt{(0)^2+(7)^2}
 d1=\sqrt{0+49}
 d1=\sqrt{49}
 d1=7

 For (0, 7) and (5, 7):
 
d2=\sqrt{(5-0)^2+(7-7)^2}
 d2=\sqrt{(5)^2+(0)^2}
 d2=\sqrt{25+0}
 d2=\sqrt{25}
 d2=5

 For (5, 7) and (5, 0):
 
d3=\sqrt{(5-5)^2+(7-0)^2}
 d3=\sqrt{(0)^2+(7)^2}
 d3=\sqrt{0+49}
 d3=\sqrt{49}
 d3=7

 before returning home the total distance is:
 d1 + d2 + d3 = 7 + 5 + 7&#10;&#10;d1 + d2 + d3 = 19

 Answer:
 
before returning home Tommy walks about 19 blocks

5 0
3 years ago
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