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3 years ago

Plz help me im begging u

Mathematics

2 answers:

svlad2 [7]3 years ago

7 0

Answer is B
The reason for this is because to find the proportionality you divide the bottom number by the top and if one of the answer differentiates then it is not proportional with the rest of the table.

antiseptic1488 [7]3 years ago

5 0

Answer:

B is not proportional

Yes it is proportional because the equation y = x*6 works for all of them.

Step-by-step explanation:

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Suppose a triangle has 2 sides of length 3 and 4 and that the angle between these two sides is 60 degrees. what is the length of

shusha [124]

Answer:

$\boxed{b.\:\:\:\sqrt{13}}$

Step-by-step explanation:

Let the third side of the triangle be $h\: units$ .

We can apply the cosine rule to find $h$ .

$h^2=3^2+4^2-2(3)(4)\cos(60\degree)$

We evaluate to obtain;

$\Rightarrow h^2=9+16-24(\frac{1}{2})$

$\Rightarrow h^2=25-12$

$\Rightarrow h^2=13$

We take the positive square root of both sides to obtain;

$\Rightarrow h=\sqrt{13}$

The correct answer is B.

8 0

3 years ago

Find the missing side of the triangle:

maxonik [38]

Answer:

C. 12cm

Step-by-step explanation:

Sum of any two sides of a triangle must always be greater than the third side.

here 8 + 7 = 15 > 12

Hence, option C is the correct answer.

7 0

3 years ago

What is the answer to 3 2/5 + a = 7 1/2

Mariulka [41]

Answer:

4.1

Step-by-step explanation:

I converted the numbers to decimals: 3.4 and 7.5. 3.4+a=7.5. 7.5-3.4= 4.1

7 0

3 years ago

Read 2 more answers

Enter an integer to represent the situation. <br><br><br><br><br>A $655 profit

Sveta_85 [38]

Answer:

it would be 655 because profit means it is a positive number

8 0

4 years ago

If Z varies directly as y and inversely as square root of x and z = 5, when y =3,x=9. Find the value of z when y=18 and x = 25.

Pani-rosa [81]

Answer:

Step-by-step explanation:

$z \alpha y \\z\alpha \frac{1}{\sqrt{x} } \\z \alpha \frac{y}{\sqrt{x} } \\z = \frac{ky}{\sqrt{x} } -------(1)\\\\5 = \frac{3k}{\sqrt{9} } \\ 5 = \frac{3k}{3} \\3k = 15\\k = 15/3\\k = 5\\Substitute 5 for k in eq 1\\z = \frac{5y}{\sqrt{x} }\\ z=?\\ y=18 \\ x = 25.\\z = \frac{5y}{\sqrt{x} }\\z = \frac{5(18)}{\sqrt{25} }\\z= \frac{90}{5} \\z = 18$

I hope i am correct

3 0

3 years ago