3 years ago

(4x+3)(2x-5) Help please 10 points

Mathematics

2 answers:

Yanka [14]3 years ago

5 0

Answer:

Step-by-step explanation:

hello :

(4x+3)(2x-5)=0

4x+3=0 or 2x-5=0

x= -3/4 or x=5/2

Kisachek [45]3 years ago

5 0

(4x+3)(2x-5) = 8x²-14x-15

Step-by-step explanation:

Given,

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

To find the value of the given multiplication.

Formula

(a+b)(c+d)

= a(c+d)+b(c+d) = ac+ad+bc+bd

Now,

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

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

= 8x²-20x+6x-15

= 8x²-14x-15

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SVETLANKA909090 [29]

Step-by-step explanation:

✓(-1/6×4/7)+(-1/6×-2/5)

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3 years ago

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Answer:

Step-by-step explanation:

(6 * 4 ) * 2 = 48

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2 years ago

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ohaa [14]

Answer:

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7 0

3 years ago

from a window 24 feet above the ground, the angle of elevation to the top of another building is 38 degrees. The distance betwee

Delvig [45]

Answer:

The height of the building is $73.2\ ft$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC

$tan(38\°)=\frac{BC}{AB}$

we have

$AB=63\ ft$

substitute and solve for BC

$tan(38\°)=\frac{BC}{63}$

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Find the height of the building

The height of the building (h) is equal to

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3 years ago

If you select a card at random, what is the probability of getting:A number smaller than 5 (counting the ace as a 1)?

garri49 [273]

4 Aces, 4 2's, 4 3's 4 4's

= 16 cards total out of 52 cards

so probability would be 16/52 which reduces to 4/13

4 0

3 years ago