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3 years ago

URGENT BRAINLIEST GIVEN

Mathematics

1 answer:

UNO [17]3 years ago

6 0

This is the way I do it to find the average.

10 girls times 70 = 700

15 boys times 80= 1200

700+1200=1900 all their scores

1900÷25 (number of boys and girls)=76 or 76%

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What is the height of the triangle 35 and 819

kakasveta [241]

I don’t know what answers you have but I think it’s 23.4

4 0

2 years ago

Suppose that LMN is isosceles with base LN suppose that M

ira [324]

Given:

In an isosceles triangle LMN, LM=MN.

$m\angle M=(3x+17)^\circ,m\angle L=(2x+36)^\circ$

To find:

The measure of the angles L, M and N.

Solution:

In triangle LMN,

$LM=MN$ (Given)

$m\angle N=m\angle L=(2x+36)^\circ$ (Base angles of an isosceles triangle are equal)

Now,

$m\angle L+m\angle M+m\angle N=180^\circ$

$(2x+36)^\circ+(3x+17)^\circ+(2x+36)^\circ=180^\circ$

$(7x+89)^\circ=180^\circ$

$(7x+89)=180$

On further simplification, we get

$7x=180-89$

$7x=91$

$x=\dfrac{91}{7}$

$x=13$

The value of x is 13. Using this value, we get

$m\angle L=(2(13)+36)^\circ$

$m\angle L=(26+36)^\circ$

$m\angle L=62^\circ$

Similarly,

$m\angle M=(3(13)+17)^\circ$

$m\angle M=(39+17)^\circ$

$m\angle M=56^\circ$

And,

$m\angle N=m\angle L$

$m\angle N=62^\circ$

Therefore, the measure of angles are $m\angle L=62^\circ,m\angle M=56^\circ,m\angle N=62^\circ$ .

5 0

3 years ago

Please help, will mark you as the brainiest! Please do NOT answer if you don’t know it!

Sholpan [36]

Answer:

if oq or and os are bisectors then MN is 40, also it is a perpendicular angle so it would also be 40

Step-by-step explanation:

3 0

2 years ago

URGENT LOL PLS HELP

Evgen [1.6K]

Answer:

${3x}^{2} + 24x - 6$

Step-by-step explanation:

To find the area of a rectangle you have to multiply the length by the width.

In your problem, the length and width are both equations, so you just have to multiply each part of the equation separately.

For example, if you were to put both equations with one over the other, you just have to multiply the aligned numbers.

The length is: x2 + 6x + 3

The width is: 3x2 + 4x - 2

and if you multiply the aligned numbers together, you get

3x2 + 24x - 6. Because:

x2 × 3x2 = 3x2,

6x × 4x = 24x,

and 3 × -2 = -6

6 0

3 years ago

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Paul [167]

Answer:

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Step-by-step explanation:

<h2>FUN FACT : I WROTE THESE USING AUTO CORRECT</h2>

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2 years ago

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