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maria [59]
3 years ago
14

I have 7 students. Two of them love skateboarding, and five love biking. If my number of students doubles, but the ratio of pref

erred activity remains the same, how
many students love biking?
Mathematics
2 answers:
Contact [7]3 years ago
7 0

skateboarding: biking

2:5

2+5=7

14÷7=2

2×5=10

10 students love biking

hope that helps:)

atroni [7]3 years ago
5 0

Answer:

10 (love biking)

Step-by-step explanation:

The ratio is 2(Skateboarding):5(biking) which, when doubled is; 4(skateboarding):10(biking)

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2 points
natima [27]

Answer:

4.9 feet

Step-by-step explanation:

First, we need to determine the height of the building using the following:

L^2 = H^2 + B^2

Where

H = Height of the building

L = Length of the first ladder = 20ft

B = Distance from the base of the building = 10ft

So, we have:

20^2 = H^2 + 10^2

400 = H^2 + 100

H^2 = 400 - 100

H^2 = 300

H = \sqrt{300

Next, is to determine the distance of the new ladder from the base of the building (B) using Pythagoras theorem using:

L_2^2 = H^2 + B_2^2

Where

L_2 = 18 --- Length of the second ladder

H = \sqrt{300 ----- Height of the building

So, we have:

18^2 = \sqrt{300}^2 + B_2^2

324 = 300 + B_2^2

B^2_2 = 324 - 300

B^2_2 = 24

Solving for B2, we have:

B_2 = \sqrt{24

B_2 = 4.9

8 0
2 years ago
Given an angle, draw the opposite ray of one of its sides to form a linear pair. Find the measure of the angle formed by the ang
xz_007 [3.2K]
<span>Let opposite ray be drawn for the base side ray of the given angle. This gives angle 180° between these two rays. Angle bisectors of the given angles 50°, 90°, and 150° make respectively half of these angles : 25° , 45° and 75° with the base ray. Then measure of the angles between the bisectors of the given angles and the drawn opposite ray are 180°-25°=155°, 180°- 45° =135° and 180°- 75° = 105° respectively.</span>
5 0
3 years ago
- 2.6.3 Quiz: Similarity Theorems
ra1l [238]

Answer:

D. 6

Step-by-step explanation:

the similarity theorem:

x/9 = 8/12

12x=8 (9)

12x = 72

x = 72/12

x = 6

8 0
2 years ago
Read 2 more answers
Is 7.8 rational or irrational
ivanzaharov [21]

Answer:

Rational!

Step-by-step explanation:

The decimal is terminating so this is rational.

8 0
3 years ago
Let's say you have 6 lbs of apples for $12.96. What is the unit price? (Meaning, what is the cost of 1 pound of apples?)​
lara [203]

Answer:

$2.16 per pound

Step-by-step explanation:

First, you would need to divide the price by the amount

$12.96 / 6 lbs = $2.16 per pound

That is the unit price

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2 years ago
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