3 years ago

Have trouble with this question need help pls

1 answer:

3 0

Two negatives cancel out, so you’re just doing -2 plus 0.7. So you’ll start at -2 and move the arrow until you reach -1.3

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lutik1710 [3]

<h2>The required positive number is 7.</h2>

Step-by-step explanation:

Let the number = x

To find, the positive number = ?

According to question,

$x^{2}-28=3x$

⇒ $x^{2}$ - 3x - 28 = 0

By Factorisation method,

⇒ $x^{2}$ - 7x + 4x - 28 = 0

⇒ x(x - 7) + 4(x - 7) = 0

⇒ (x - 7)(x + 4) = 0

⇒ x - 7 = 0 or, x + 4 = 0

⇒ x = 7 or, x = - 4 [ - 4 is a negative number)

⇒ x = 7

Thus, the required positive number is 7.

8 0

3 years ago

12345 [234]

$A= ab \frac{sin \theta}{2}$
where A is area
a is side a lets say its 8cm
b is side b lets say its 7 cm
theta is 28

4 0

3 years ago

Arisa [49]

I hope you get it
The answer 2338.2 cm^3

5 0

3 years ago

Taya2010 [7]

fjhdfdsfklsdfsfsdfdfdfsfs

3 0

3 years ago

jolli1 [7]

Answer:

(-3,-6) and (-3,2)

Step-by-step explanation:

A line with an undefined slope is vertical. In this case it must have x coordinates equal to -3

4 0

3 years ago