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3 years ago

Guys please help I’m having so much trouble

Mathematics

1 answer:

dezoksy [38]3 years ago

3 0

Answer:

Hello! Your answer would be B)B

Step-by-step explanation:

Hope I helped! Brainiest plz!♥ Have a nice morning! Hope you make a 100%! -Amelia

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The length of a rectangle is 10cm and breadth is 5cm. find its perimeter.

Veronika [31]

Answer:

Perimeter of rectangle = 30 cm

Step-by-step explanation:

Perimeter of rectangle = (length + width) x 2

-- width or breadth --

Perimeter

= (10 + 5) * 2

= 15 * 2

= 30 cm

7 0

3 years ago

Enter your answer and show all the steps that you use to solve this problem in the space provided. Find the values of x and y.

satela [25.4K]

Answer : The value of x and y is, $90^o$ and $43^oC$

Step-by-step explanation :

First we have to calculate the angle B.

As we know that,

The given triangle is an isosceles triangle in which the angles opposite to equal sides are always equal.

Thus, $\angle B=\angle C$

Given : $\angle C=47^o$

$\angle B=\angle C=47^o$

$\angle B=47^o$

Now have to calculate the angle A.

As we know that the sum of interior angles of a triangle is equal to $180^o$ .

$\angle A+\angle B+\angle C=180^o$

$\angle A+47^o+47^o=180^o$

$\angle A+94^o=180^o$

$\angle A=180^o-94^o$

$\angle A=86^o$

Now we have to determine the angle y.

As we know that, line AD is an angle bisector. That means, it divides into two equal angles. So,

$\angle y=\frac{\angle A}{2}$

$\angle y=\frac{86^o}{2}$

$\angle y=43^o$

Now we have to determine the angle x.

As we know that the sum of interior angles of a triangle is equal to $180^o$ .

$\angle y+\angle B+\angle x=180^o$

$43^oc+47^o+\angle x=180^o$

$\angle x+90^o=180^o$

$\angle x=180^o-90^o$

$\angle x=90^o$

Thus, the value of x and y is, $90^o$ and $43^oC$

6 0

3 years ago

19 cm 15 cm triangle and I don’t know the other side

Kipish [7]

Answer:

well it looks equal to 15 cm so its probably 15 cm

Give brainliest :)

8 0

2 years ago

If x varies inversely as y and x=12 when y=9, find x when y=54

beks73 [17]

Answer:

x = 72

Step-by-step explanation:

We set the two equal to each other

x = 12/y = 9 is equal to x/y = 54.

In order for 9 to get to 54, you have to multiply it by 6. Since you multiplied the denominator with 6, you have to do the same with the numerator. 12 times 6 is 72.

x = 72

3 0

3 years ago

The vertex of this parabola is at (-5, -2). When the x-value is -4, the

dusya [7]

I am pretty sure that it's
A. 1

3 0

3 years ago

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