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gulaghasi [49]
2 years ago
9

What statement Correctly describes his solution?

Mathematics
1 answer:
Roman55 [17]2 years ago
5 0

Answer:

(1) option is correct .

Step-by-step explanation:

2x^2-7x-15

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

=2x^2-10x+3x-15

which is the equation in the question.

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Anyone know the answer to this?
kiruha [24]

Answer:

42

Step-by-step explanation:

Angle ABD = Angle CBD + Angle ABC

You know ABD is 70, CBD and ABC are in terms of x

70 = 5x + 13 + 3x + 33

70 - 13 - 33 = 8x

24 = 8x

3 = x

Replacing x in Angle ABC:

3 * 3 + 33 = 42

6 0
3 years ago
What are three terms in this equation ? 4x-2y+3​
enyata [817]
Answer;

They are 3 terms

The terms are the numbers and the variables separated by the minus sign and the plus sign
8 0
2 years ago
You will be the First to get Brainlyest
White raven [17]

Answer:

Look if it has 1 regtangle as the base and 4 triangles it is a rectangular pyramid.

If it has 2 circles as the base and a long tube it is a cylinder.

If it has 2 triangles and 3 rectangles it is a triangular prism

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3 0
3 years ago
The playing life of a Sunshine radio is normally distributed with mean LaTeX: \muμ = 600 hours and standard deviation LaTeX: \si
Hitman42 [59]

Answer:

The probability that a radio selected at random will last from 600 to 700 hours is 0.3413

Step-by-step explanation:

The playing life of a Sunshine radio is normally distributed

Mean =\mu = 600 hours

Standard deviation =\sigma = 100 hours

We are supposed to find the probability that a radio selected at random will last from 600 to 700 hours i.e.P(600<x<700)

Formula:Z= \frac{x-\mu}{\sigma}

At x = 600

Z= \frac{600-600}{100}

Z=0

P(X

At x = 700

Z= \frac{700-600}{100}

Z=1

P(X

P(600

Hence the probability that a radio selected at random will last from 600 to 700 hours is 0.3413

8 0
3 years ago
A rectangle has a length of 3x-5 and a width of 2x+9.
Montano1993 [528]

Step-by-step explanation:

l = 3x - 5

w = 2x + 9

perimeter = 2l + 2w = 2(3x - 5) + 2(2x + 9) =

= 6x - 10 + 4x + 18 = 10x + 8

area = l×w = (3x - 5)(2x + 9) = 6x² + 27x - 10x - 45 =

= 6x² + 17x - 45

8 0
2 years ago
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