2 years ago

Please answer these questions.... please..

Mathematics

1 answer:

sladkih [1.3K]2 years ago

6 0

For the first picture it’s the last one, for the second picture it’s y=x-2

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For questions 13 – 15, find x so that q || r. State the converse used.

Grace [21]

Answer:

13. x = 7 ; Converse : Alternate interior angles are equal .

14. x=12; Converse used : Linear pair

15. x = 23; Converse: Corresponding angles are equal

Step-by-step explanation:

13.

Refer the attached figure

Given: q || r

$\angle CBE =\angle DEB$ (Alternate interior angles )

So, 15x+3=108

15x=108-3

15x=105

$x=\frac{105}{15}$

x=7

So, x = 7 ; Converse : Alternate interior angles are equal .

14.

Refer the attached figure

Given q||r

$\angle PQT = \angle STQ$ (Alternate interior angles

So, $\angle PQT = \angle STQ=11x-28$

Now $\angle UTQ + \angle STQ = 180^{\circ}$ (Linear pair)

So,7x-8+11x-28=180

18x-36= 180

18x=216

$x=\frac{216}{18}$

x=12

So, x=12; Converse used : Linear pair

15.

Refer the attached figure

Given q||r

$\angle BDC+\angle CDE = 90+2x$

$\angle BDE=\angle PBC$ (corresponding angles)

90+2x=5x+21

90-21=5x-2x

69=3x

23=x

So, x = 23; Converse: Corresponding angles are equal

5 0

3 years ago

What is the area of a triangle whose sides are 15 cm, 8 cm and 19 cm?<br>

ludmilkaskok [199]

Is it 2,280
Hope that work

3 0

2 years ago

Emilia went to a garage sale and decided to buy some books. Each book cost $2. She liked so many of the books that she went over

mariarad [96]

Answer:20

Step-by-step explanation:

1:multiply

2:10x2

3:10x2=20

5 0

3 years ago

What is the simplified form of the ninth root of x times the ninth root of x times the ninth root of x times the ninth root of x

Ksivusya [100]

Since you are working with exponents and roots you would add the exponents together. The ninth root of x is equal to x^(1/9) and since you are using it four times your answer would be x^(4/9).

6 0

3 years ago

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What is the mean 3, 3, 4, 5, 6, 6, 7, 7, 7, 8, 8

andre [41]

Answer:

Step-by-step explanation:

3+3+4+5+6+6+7+7+7+8+8=64

64÷11=5.81818181818

simplify to......5.82

6 0

3 years ago

Read 2 more answers