2 years ago

What angel relationships are formed when lines intersect

Mathematics

1 answer:

mixer [17]2 years ago

7 0

Answer:

vertical angle relationships are formed.

Good luck :)

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Find all values of x that make the triangles congruent. Explain your reasoning.

RSB [31]

Answer:

x = $\frac{4}{5},5$

Step-by-step explanation:

If both the triangles ΔABC and ΔBCD are congruent,

Corresponding sides of both the triangles will be proportional.

$\frac{AB}{BD}=\frac{AC}{CD}$

$\frac{5x}{3x+10}=\frac{5x-2}{4x+3}$

5x(4x + 3) = (5x - 2)(3x + 10)

20x² + 15x = 15x² + 50x - 6x - 20

20x² + 15x = 15x² + 44x - 20

20x² - 15x² = 44x - 15x - 20

5x² = 29x - 20

5x² - 29x + 20 = 0

5x² - 25x - 4x + 20 = 0

5x(x - 5) - 4(x - 5) = 0

(5x - 4)(x - 5) = 0

$x=\frac{4}{5},5$

3 0

2 years ago

the ratio of teacher to learners in a school in oluno is 1:35 .If there are 30 teachers in the school , how many learners are th

miskamm [114]

Answer:

1050

Step-by-step explanation:

There are 30 teachers.

1:35

Multiply each part of the ratio by 30.

1×30:35×30

30:1050

There are 1050 learners.

7 0

2 years ago

Bruce needs 30 five-foot pieces of rope for a school project. The hardware store

8090 [49]

He needs 50 yards of rope!

7 0

3 years ago

Read 2 more answers

Help please and fast!

LenaWriter [7]

Cubed root (x^2) I can’t add the radical here but it would be the 3radical(x^2)

4 0

2 years ago

What would the class size be if 30 people represent 40% of the class?

anastassius [24]

Answer:

110 students

Step-by-step explanation:

%40 Divide 30

30 divided by %40 is 0.75

SO there is 60% left

%60 divided by 0.75

That is 80

80 + 30 =

110

6 0

3 years ago