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JulsSmile [24]
1 year ago
11

What is the factorisation of x2 + 2x

Mathematics
1 answer:
nadezda [96]1 year ago
5 0

The GCF: x

answer: x(x+2)

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Solve and check 0.18(5x – 4) = 0.5x + 0.8
stiv31 [10]

Answer:

3.8

Step-by-step explanation:

  • 0.18(5x – 4) = 0.5x + 0.8
  • 0.9x - 0.72= 0.5x +0.8
  • 0.9x- 0.5x= 0.8+0.72
  • 0.4x= 1.52
  • x= 1.52/0.4
  • x= 3.8

----------

  • 0.18(5*3.8 - 4)= 0.5*3.8 + 0.8
  • 0.18*15= 1.9 + 0.8
  • 2.7=2.7

3 0
3 years ago
Read 2 more answers
The equation a=1/2(b^1+b^2)h can be determined the area, a, of a trapezoid with height, h, and base lengths, b^1 and b^2 Which a
Evgesh-ka [11]

The complete question is as follows.

The equation a = \frac{1}{2}(b_1 + b_2 )h can be used to determine the area , <em>a</em>, of a trapezoid with height , h, and base lengths, b_1 and b_2. Which are equivalent equations?

(a) \frac{2a}{h} - b_2 = b_1

(b) \frac{a}{2h} - b_2 = b_1

(c) \frac{2a - b_2}{h} = b_1

(d) \frac{2a}{b_1 + b_2} = h

(e) \frac{a}{2(b_1 + b_2)} = h

Answer: (a) \frac{2a}{h} - b_2 = b_1; (d) \frac{2a}{b_1 + b_2} = h;

Step-by-step explanation: To determine b_1:

a = \frac{1}{2}(b_1 + b_2 )h

2a = (b_1 + b_2)h

\frac{2a}{h} = b_1 + b_2

\frac{2a}{h} - b_2 = b_1

To determine h:

a = \frac{1}{2}(b_1 + b_2 )h

2a = (b_1 + b_2)h

\frac{2a}{(b_1 + b_2)} = h

To determine b_2

a = \frac{1}{2}(b_1 + b_2 )h

2a = (b_1 + b_2)h

\frac{2a}{h} = (b_1 + b_2)

\frac{2a}{h} - b_1 = b_2

Checking the alternatives, you have that \frac{2a}{h} - b_2 = b_1 and \frac{2a}{(b_1 + b_2)} = h, so alternatives <u>A</u> and <u>D</u> are correct.

4 0
4 years ago
Members of a baseball team raised $1611.75 to go to a tournament. They rented a bus
artcher [175]

Answer:

(1611.75 - 791.50) ÷ 48.25 = x

(820.25) ÷ 48.25 = x

17 = x

1611.75 - 791.50 = 820.25

830.25 ÷ 48.25 = 17

so there are 17 players the team can bring

5 0
3 years ago
Read 2 more answers
What is the circumference and the area of this circle​
alexira [117]
<h2>circumference = 50.24cm</h2><h2>area = 200.96cm²</h2>

Step-by-step explanation:

radius (r) = 8cm

circumference = 2π×r

= 2 × 3.14 × 8

= 50.24cm

area = π × r²

= 3.14 × 8 × 8

= 200.96cm²

<h2>MARK ME BRAINLIST</h2>
3 0
3 years ago
Carpenters refer to the slope of a roof as the pitch of the roof. Find the pitch of the roof.
Digiron [165]
There are free tutor on my website just got to freetutor.com
5 0
3 years ago
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