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2 years ago

F(x) = 3x - 2x - 5 Factoring quadratics

Mathematics

1 answer:

bagirrra123 [75]2 years ago

4 0

Answer:

$(3x -5)(x+1)$

Step-by-step explanation:

Factoring $3x^{2} -2x-5=0$ results in $(3x -5)(x+1)$

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A store has 7 red shirts, 15 black shirts, 13 white shirts, and 5 green shirts. Select the portion of the shirts that are black.

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Answer:

8/5 portion of black shirt is there

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A phone company used to charge $30 per month plus $0.50 per text message for phone service. However, the company did not charge

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3 years ago

What is the approximate area of the regular pentagon?

Anastasy [175]

Area of the pentagon: 342 cm2

Step-by-step explanation:

The figure of the pentagon is missing: find it in attachment.

The area of the pentagon can be seen as the area of 5 equal triangles, each of them having a base equal to the length of the side of the pentagon,

L = 14.1 cm

and the height of each triangle can be found by using Pythagorean's theorem:

$h=\sqrt{12^2-(\frac{L}{2})^2}=\sqrt{12^2-(\frac{14.1}{2})^2}=9.7 cm$

The area of each of the 5 triangles is

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Therefore, the area of the pentagon is 5 times this area:

$A=5A'=\frac{5}{2}Lh=\frac{5}{2}(14.1)(9.7)=342 cm^2$

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3 years ago

Read 2 more answers

Helppppppp pleassseeeeeeeeeeeeeee

guajiro [1.7K]

Answer:

Step-by-step explanation:

The absolute value means its just not negative, So If you see a number inbeteen the absolute value, just forget about the negative sign and make it positive

Ex: |-1| = 1

|-423242| = 423242

its that easy, then you just find which one is in the right order

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3 years ago

Item 9 Forty-five basketball players participate in a tournament. Write and solve an equation to find the number x of 3-person t

postnew [5]

Answer: See explanation

Step-by-step explanation:

Since forty-five basketball players participated in the tournament and a 3-person team wants to be formed, the equation to find the number x of 3-person teams that they can form will be:

3x = 45

x = 45/3

x = 15

Therefore, 15 3-person team can be formed.

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3 years ago