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elena-14-01-66 [18.8K]
3 years ago
10

If f(x) = x - 5, then match each of the following.

Mathematics
2 answers:
madam [21]3 years ago
4 0

Answer:

f(-1)= -6

f(0)= -5

f(1)= -4

f(2)= -3

f(5)= 0

f(8)= 3

Step-by-step explanation:

Given f(x)=x-5

f(-1)= -1-5

     = -6

f(0)=0-5

    = -5

f(1)=1-5

   = -4

f(2)=2-5

    = -3

f(5)=5-5  

     =0

f(8)=8-5

     = 3

vichka [17]3 years ago
3 0

-6 is f(-1)

-5 is f(0)

-4 is f(1)

-3 is f(2)

0 is f(5)

3 is f(8)

Hope this helps and have a wonderful day. :)

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Option B:

Law of cosine, two sides and the included angle are known.

Solution:

Let us first know the law of cosines and law of sines.

Law of cosine:

If we know the sides a, b and the included angle θ, then we can find the third side c. This is known as the law of cosine.

c^2=a^2+b^2-2abcos\theta

Law of sine:

The sides of a triangle are to one another  in the same ratio as the sines of their opposite angles.

$\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}

Given ∠P and the sides r, q are known.

<u>To find the value of p:</u>

Option A: Law of cosines, all sides are known.

It is false by the above definition of law of cosine.

Option B: Law of cosine, two sides and the included angle are known.

It is true by the above definition of law of cosine.

Option C: Law of sines, all sides are known.

It is false, because one angle is given in question.

Option D: Law of sines, two angles and the included side are known.

It is false, because two angles are not given.

Option B is the correct answer.

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7 0
3 years ago
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\frac{2x+1}{3x}=\frac{10}{14}

(You needed to combine the orange segment and the yellow segment to find the total length of the large triangle).


Now, cross multiply and solve for x:

28x+14=30x

<em>*Subtract 28x from both sides to isolate the variable*</em>

14=2x

<em>*Divide both sides by 2*</em>

7=x


Hope this helps!!

7 0
3 years ago
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