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Anika [276]
2 years ago
15

HELPPP!! DUE NOWWWW!

Mathematics
1 answer:
Colt1911 [192]2 years ago
7 0

Answer: C

Step-by-step explanation: x represents the number of classes, not the cost of classes.

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Need help on this thank you
krok68 [10]

Answer:

a=7

Step-by-step explanation:

24^2+a^2=25^2

576+a^2=625

49=a^2

a=7

5 0
3 years ago
In a housing estate the direct proportion of flats to houses is 2:5. If there are 80 flats, how many houses are there?
Kobotan [32]

80 \div 2 = 40 \\ 40 \times 5 = 200
there are 200 houses
4 0
3 years ago
Help find x out of these 4 questions i can’t find the answer anywheew
babunello [35]

Answer:

Option D. 11√6/2

Step-by-step explanation:

We'll begin by calculating the side opposite to angle 60°.

This is illustrated below:

Angle θ = 60°

Opposite =?

Hypothenus = 11

Using the sine ratio, we can obtain the side opposite to angle 60° as follow:

Sine θ = Opposite/Hypothenus

Sine 60 = Opposite /11

Cross multiply

Opposite = 11 × Sine 60

Sine 60 = √3/2

Opposite = 11 × √3/2

Opposite = 11√3/2

Finally, we shall determine the value of x as follow:

Angle θ = 45°

Opposite = 11√3/2

Hypothenus = x

Using the sine ratio, we can obtain the value of x as shown below:

Sine θ = Opposite/Hypothenus

Sine 45° = 11√3/2 /x

Cross multiply

x × Sine 45° = 11√3/2

Sine 45° = 1/√2

x × 1/√2 = 11√3/2

x/√2 = 11√3/2

Multiply through by √2

x = √2 × 11√3/2

x = 11√6/2

4 0
3 years ago
Given that (1,-8) is on the graph of f(x), find the corresponding point for the function 1/2f(x). PLEASE HELP ME. IM BEGGING YOU
scoray [572]

Answer:

The corresponding point is (1,-4)

Step-by-step explanation:

we know that

The point (1,-8) is on the graph of f(x)

so

that means

For x=1, f(1)=-8

therefore

For the function 1/2f(x)

For x=1, 1/2f(1)=-8/2=-4

The corresponding point is (1,-4)

3 0
3 years ago
Louisa wants to buy an online movie subscription that is on sale for 15% off. She writes the expression c − 0.15c to represent t
Tpy6a [65]

Answer:

#UseSimplifiedExpression

Step-by-step explanation:

6 0
2 years ago
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