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4 years ago

Write an equation in slope-intercept form with the given slope and y-intercept. m = 1 , b = -1

Mathematics

1 answer:

dmitriy555 [2]4 years ago

6 0

Answer:

y = 1x -1

Step-by-step explanation:

m is your slope which is 1 and -1 is you y intercept

the slope intercept form is y = mx + b

which means the equation will be y = 1x -1

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Multiply (3a + 5)2<br>A9a2 + 30a + 25<br>B 25a2 + 15a + 9<br>C a2 + 3a + 25<br>D 5a2 + 15a + 9

oksano4ka [1.4K]

Answer:

9 a^2 + 30 a + 25 the anwser is A

Step-by-step explanation:

Expand the following:

(3 a + 5)^2

(3 a + 5) (3 a + 5) = (3 a) (3 a) + (3 a) (5) + (5) (3 a) + (5) (5) = 9 a^2 + 15 a + 15 a + 25 = 9 a^2 + 30 a + 25:

Answer: 9 a^2 + 30 a + 25

4 0

3 years ago

5/8 people vote for blue

zhenek [66]

Answer:

The number of people vote for blue is 180.

Step-by-step explanation:

Let there are x numbers of total people.

So, $\frac{5}{8}$ of total people vote for blue i.e. $\frac{5x}{8}$ people vote for blue.

Now, the remaining number of people are $(x - \frac{5x}{8}) = \frac{3x}{8}$ .

If $\frac{5}{9}$ of the remaining people vote for green, then the number of people vote for green will be $(\frac{3x}{8} \times \frac{5}{9}) = \frac{5x}{24}$ .

Therefore, finally the remaining number of people is $(\frac{3x}{8} - \frac{5x}{24}) = \frac{x}{6}$ and they vote for red.

Now, $\frac{x}{6} = 48$ {Given}

⇒ x = 288

And the number of people vote for blue is $\frac{5x}{8} = \frac{5 \times 288}{8} = 180$ . (Answer)

7 0

4 years ago

X^2 = 6x + 27; COMPLETING THE SQUARE

DedPeter [7]

x^2 = 6x + 27

x^2−6x−27=0

(x−9)(x+3)=0

x=9,−3

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3 years ago

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tigry1 [53]

Area abc def cuase its 126-72+28=82 so abc def

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2 years ago

Identify the number as a rational or irrational.explain. 127

Sergeu [11.5K]

Rational...........sjsksolsksjs

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3 years ago

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