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3 years ago

Explain the connection between ∠2 and ∠B.

Mathematics

2 answers:

ale4655 [162]3 years ago

6 0

Angle 2 and Angle B are both the same

180-50-65= 65 (angle sum of a triangle is 180 degrees) B = 65 degrees

180-50-65= 65 (angle sum on a straight line is 180 degrees) 2= 65 degrees

Thus Angle 2 and Angle B are both the same

Tatiana [17]3 years ago

4 0

Answer:

Step-by-step explanation:

The sum of the measures of the interior angles of a triangle is 180°. m∠B + 50 + 65 = 180, so m∠B = 65°. The sum of adjacent angles forming a straight line is also 180°. m∠2 + 50 + 65 =180, so m∠2 = 65°. The angles are congruent. THIS IS IT WORD FOR WORD

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What number should be added to each of the three numbers 1, 7 and 19 so that the resulting three numbers form a geometric progre

OLEGan [10]

Answer:

The geometric progression is 6,12,24.

Step-by-step explanation:

Given : Three numbers 1, 7 and 19.

To find : What number should be added to each of numbers so that the resulting three numbers form a geometric progression?

Solution :

We know that, In geometric progression the ratio between two number is same.

Let x be the number added in three numbers.

So, The sequence form is 1+x, 7+x, 19+x

As their ratios are same so,

$\frac{7+x}{1+x}=\frac{19+x}{7+x}$

Solve the expression,

$(7+x)(7+x)=(19+x)(1+x)$

$49+7x+7x+x^2=19+19x+x+x^2$

$49+14x=19+20x$

$6x=30$

$x=5$

Terms are

$1+x=5+1=6$

$7+x=7+5=12$

$19+x=19+5=24$

Therefore, The geometric progression is 6,12,24.

4 0

4 years ago

⦁ Explain why the equation has two solutions. Then solve the equation to find the solutions. Show your work.

xxTIMURxx [149]

Answer:

There is two equations because it has to have two. One is going to have a positive answer and the negative answer. It just depends on the question and what it is asking g you

4 0

3 years ago

Calculate the area. please help!

VikaD [51]

Answer:

459

Step-by-step explanation:

first we solve the area of the rectangle. the length of the rectangle is 22 and the width is 18. 22 times 18=396. next we need to solve the area of the triangle. 7 is the height of the triangle and 18 is the width. 7 times 18 divided by 2 is 63. Next we need to add up the area of the rectangle and the triangle

396+63=459

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3 years ago

If a=b(1/n is equivalent to an=b then 43 is equivalent to

sesenic [268]

I don't know I'm just going to 8th grade but I know you need to put variables together and multiply so you get your answer

5 0

3 years ago

Read 2 more answers

Calculate the area of the shaded region in the rectangle. 20' 5' 12 7

ioda

Answer:

20 x 12 = 240(total area)

20 - 7 = 13(base)

12 - 5 = 7(height)

13 x 7 = 91

91 divided by 2 (x 1/2) = 45.5

Now we subtract the area of the non shaded region from the shaded region.

240 - 45.5 = 194.5 is your answer.

4 0

3 years ago