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madreJ [45]
3 years ago
5

Plzzzzzzzzzzzzzzzzzzzzzz neeed help dew nowwwwwwwwwwwwwwwwwwwwwwwwwww

Mathematics
1 answer:
vampirchik [111]3 years ago
4 0

Answer:

64 teachers

Step-by-step explanation:

We can use ratios to solve

14 students   896 students

----------------- = -------------

1 teacher          x teachers

Using cross products

14 * x = 896*1

Divide each side by 14

14x/14 = 896/14

x =64

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How to do question 22?
Aleks04 [339]

Answer:

A = 20sinθ(6 + 5 cosθ)  cm²

Step-by-step explanation:

Drop perpendiculars DE and CF to AB.

Then, we have congruent triangles ADE and BCF, plus the rectangle CDEF.

The formula for the area of the trapezium is

A = ½(a + b)h

DE = 10sinθ

AE = 10cosθ

BF = 10cosθ

EF = CD = 12 cm

AB = AE + EF  + BF = 10cosθ + 12 + 10 cosθ = 12 + 20cosθ

A = ½(a + b)h

   = ½(12 +12 + 20 cosθ) × 10 sinθ

   =(24 + 20 cosθ) × 5 sinθ

   = 4(6 + 5cosθ) × 5sinθ

   = 20sinθ(6 + 5 cosθ)  cm²

6 0
3 years ago
Which equation best describes the line of best fit?
Andrej [43]
The y-value changes from 10 to 70 as the x-value changes from 0 to 10. That makes the slope (70 -10)/(10 -0) = 6, and the y-intercept = 10.

Selection A is the appropriate equation.
8 0
3 years ago
A park measures 85.5 square yards. A family rents 3/10 of that area to host a birthday party. How large is the area that the fam
motikmotik

Answer:

25.65 square yards

Step-by-step explanation:

The area is 85.5 yd^2

He rents 3/10ths

Multiply the area  by the fractional part he rents

85.5 * 3/10

256.5/10

25.65 yd^2

4 0
3 years ago
Read 2 more answers
PLEASE HELP ITS DUE TODAYYY
Bumek [7]

Answer:

(-3,10) (0,5) (3,0) (6,-5)

Step-by-step explanation:

x intercept = 3

y intercept =5

If brainiest is earned its greatly appreciated

6 0
3 years ago
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Licemer1 [7]
His total is (73.37) hope it helps and have a great day! 
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3 years ago
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