3 years ago

Quadrilateral DEFG is a rectangle. If DE 14+2x and GF 4 (x-3)+6, find GF Select one: a. 34 O b. 28 O c. 38 O d. 25

Mathematics

1 answer:

Gwar [14]3 years ago

4 0

The answer is A and here is how I solved it

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What is the difference between a proper and an improper subset?

lutik1710 [3]

A proper subset describes the set in full. An improper subset strays from the original set.

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3 years ago

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if PQ || RS and the slope of PQ= x-1/4 and the slope of RS is 3/8 then find the value of x justify algebraically and numerically

Artemon [7]

The value of x is 5/8.

<u>Step-by-step explanation</u>:

Given,

The lines PQ and RS are parallel to each other.
slope of PQ= x-1/4
slope of RS = 3/8

The slopes of parallel lines are equal.

slope of PQ = slope of RS

⇒ x-1/4 = 3/8

⇒ (4x-1)/4 = 3/8

⇒ 8(4x-1) = 4(3)

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⇒ 32x = 20

x = 20/32

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3 years ago

The height of a right triangle is √6 units and the base is √9 units. Find the area of the triangle

In-s [12.5K]

Answer:

Step-by-step explanation:

h = √6 units

b = √9 units

A = b*h/2 = √6·√9 /2 = √(6·9)/2 = √(2·3·3·3)/2 = 3√3 /2 units ²≈ 2.6 units²

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2 years ago

Passes through (3,5) and (-1,5)

AlladinOne [14]

Presumably we're being asked for the line which passes through (3,5) and (-1,5) which is simply $y=5.$

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3 years ago

Simplify.<br> 2u? - 20u +42<br> u² – 5u+6

chubhunter [2.5K]

Answer:

The simplified expression is:

$\frac{2(u + 7)}{(u- 2)}$

Step-by-step explanation:

We want to simplify:

$\frac{2 {u}^{2} - 20u + 42}{ {u}^{2} - 5u + 6}$

We factor the numerator and the denominator to get:

$\frac{2(u - 3)(u + 7)}{(u- 2)(u- 3)}$

Cancel out u-2 which is common to the numerator and the denominator yo get:

$\frac{2(u + 7)}{(u- 2)}$

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3 years ago