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zloy xaker [14]

2 years ago

5

Find the value of x.

1 answer:

svetlana [45]2 years ago

6 0

Answer: 18

Step-by-step explanation:

By the angle bisector theorem, $\frac{x}{48} =\frac{12}{32} \longrightarrow x=\boxed{18}$

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If a: b= 3:4 then find the value of<br>(6a-3b :(5a + 2b)

KengaRu [80]

Answer:

6 : 23

Step-by-step explanation:

$a : b = 3 : 4 ....(given)\\ \\ let \: a = 3x \\ b = 4x \\ \\ (6a - 3b) : (5a + 2b) \\ \\ = \frac{(6a - 3b)}{(5a + 2b)} \\ \\ = \frac{6(3x) - 3(4x)}{5(3x) + 2(4x)} \\ \\ = \frac{18x- 12x}{15x+ 8x} \\ \\ = \frac{6x}{23x} \\ \\ = \frac{6}{23} \\ \\ (6a - 3b) : (5a + 2b) = 6 : 23$

7 0

3 years ago

The total surface area of a cube is 384cm3 the length of the edge of the cube is?<br>

Troyanec [42]

<h3>Using the formula $\: \:A = 6 {a}^{2}$ </h3>

Solving for a

<h3> $a = \sqrt{ \frac{A}{6} } \\ = \sqrt{ \frac{384}{6} } \\ = 8cm$ </h3>

4 0

2 years ago

M is the midpoint of LN. What is the measure of LM?

alexandr1967 [171]

Answer:

L___M___N

LM = MN

3x = 2x +2

3x – 2x = 2

x = 2

LM = 3x = 3(2) = 6

So; LM = 6

I hope I helped you^_^

6 0

3 years ago

Which is enough information to prove that s||t?

Travka [436]

C got it right on edge

4 0

3 years ago

Read 2 more answers

Find the set of points p such that the distance from p to a(-1,5,3) is twice the distance from p to b(6,2,-2)

Fantom [35]

A little playing around with plane figures (and/or distance equations) will convince you that this set of points is a sphere centered at

... c = (4b -a)/3 = (25/3, 1, -11/3) . . . . center

with a radius 2/3 of the length ab.

... r = (2/3)√(7² +3² +5²) = (2/3)√83 . . . . radius

Then the equation of this spherical set of points is

... (x -25/3)² +(y -1)² +(z +11/3)² = 332/9

8 0

3 years ago