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2 years ago

I WILL GIVE BRAINLY!!!!!!

Mathematics

1 answer:

Zina [86]2 years ago

4 0

Answer: B

Explanation: Samuel earn per hour = 5 hrs

Commission = 65%

Samuel total earning for a day = 6 hrs

Now,

5(65)+6y

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The perimeter of a triangle is 64cm ,the sides are the ratio 6:5:5 , work out the area of the triangle

Fofino [41]

The area is 192 cm^2

the sides are 20 20 24 with the base being 24

to figure out the height you have to use Pythagorean theorem of the triangle cut in half so 12^2 + b^2 = 20^2
b= 16 = height

b*h* .5= area 16* 24* .5= 192

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2 years ago

Hurry i need help!!

diamong [38]

Answer:

Take rabbit across

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Take fox across and go back across with rabbit

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Step-by-step explanation:

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2 years ago

Use a unit circle, a 30 degrees - 60 degrees - 90 degrees triangle, and an inverse function to find the degree measure of the

PolarNik [594]

150 is the answer I don’t think it is right

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2 years ago

Explain why f(x) = x^2+4x+3/x^2-x-2 is not continuous at x = -1.

liberstina [14]

Answer:

The value of x = -1 makes the denominator of the function equal to zero. That is why this value is not included in the domain of f(x)

Step-by-step explanation:

We have the following expression

$f(x) = \frac{x^2+4x+3}{x^2-x-2}$

Since the division between zero is not defined then the function f(x) can not include the values of x that make the denominator of the function zero.

Now we search that values of x make 0 the denominator factoring the polynomial $x^2-x-2$

We need two numbers that when adding them get as a result -1 and when multiplying those numbers, obtain -2 as a result.

These numbers are -2 and 1

Then the factors are:

$(x-2) (x + 1)$

We do the same with the numerator

$x^2+4x+3$

We need two numbers that when adding them get as a result 4 and when multiplying those numbers, obtain 3 as a result.

These numbers are 3 and 1

Then the factors are:

$(x+3)(x + 1)$

Therefore

$f(x) = \frac{(x+3)(x+1)}{(x-2)(x+1)}$

Note that $\frac{(x+1)}{(x+1)}=1$ only if $x \neq -1$

So since $x = -1$ is not included in the domain the function has a discontinuity in $x = -1$

3 0

2 years ago

-2 (t+2) +5 t = 6 t + 11

vovikov84 [41]

Answer:

The answer is T=-5

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers