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Vaselesa [24]
3 years ago
15

If 4 students represent 16% of the class then how many students are in the class

Mathematics
1 answer:
kobusy [5.1K]3 years ago
6 0

Answer:

In total there are 25 students in the class.

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natima [27]

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about 8

Step-by-step explanation:

8 0
3 years ago
In this activity, you will use equations to represent this proportional relationship: Olivia is making bead bracelets for her fr
Valentin [98]

Answer:

Step-by-step explanation:

A) The constant of proportionality in terms of minutes per bracelet is

15/3 = 5 minutes per bracelet

B) The constant of proportionality represents man hour rate

C) let k = constant of proportionality, t = time in minutes and b = number of bracelets produced. Therefore,

t = kb

D) the constant of proportionality in terms of number of bracelets per minute is

3/15 = 1/5

E) The constant of proportionality represents production rate

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3 0
3 years ago
Given: △ABC; AB=BC, m∠BDA = 60°, BD=4 cm, BD ⊥ BA . Find: DC, AC.
vekshin1

Answer:

DC = 10.93 cm ,  AC = 9.8 cm

Step-by-step explanation:

From trigonometry;

⇒ Tan 60 = AB/BD

⇒AB = BD Tan 60 ( where BD = 4 cm )

⇒ AB = 6.93 cm

Also, AB=BC , therefore;

⇒ BC = 6.93 cm

⇒ Cos 60 = BD/AD

⇒ AD = BD/ Cos 60 = 4/Cos 60

⇒ AD = 8 cm

From Pythagoras theorem;

⇒ AC^{2} = AB^{2} + BC^{2} = (6.93)^{2} + (6.93)^{2}

⇒ AC = \sqrt{96.05} = 9.80 cm

⇒ DC = BD + BC = 4 + 6.93

⇒ DC = 10.93 cm

8 0
3 years ago
An object is launched at 64 ft/sex
Zolol [24]
64ft/sex lol per sex?
3 0
3 years ago
Simplify completely. 10 points (:
zubka84 [21]

Answer:

2y^4√5

Step-by-step explanation:

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

hope i helped :) !!!!!!!

brainliest !??!

8 0
3 years ago
Read 2 more answers
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