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2 years ago

Solve x^2 + 2x - 48 = 0

Mathematics

2 answers:

Georgia [21]2 years ago

8 0

Answer:

x = - 8, x = 6

Step-by-step explanation:

${x}^{2} + 2x - 48 = 0 \\ \\ {x}^{2} + 8x - 6x - 48 = 0 \\ \\ x(x + 8) - 6(x + 8) = 0 \\ \\ (x + 8)(x - 6) = 0 \\ \\ x + 8 = 0 \: \: or \: \: x - 6 = 0 \\ \\ x = - 8, \: \: \: \: x = 6 \\$

barxatty [35]2 years ago

5 0

<h2>Answer: </h2><h3>X = 6</h3>

<h3>Step-by-step explanation:</h3><h3>6² = 36</h3><h3>36 + 12 = 48</h3><h3>48 - 8 = 0</h3>

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I need help with no.7

ziro4ka [17]

Answer:

(a) 315°

(b) 3°

Step-by-step explanation:

Bearings are measured clockwise from north. The triangle described is illustrated in the attachment.

The bearing of P from R is 180° different from the bearing of R from P it will be ...

135° +180° = 315° . . . . bearing of P from R

The bearing of Q from R is 48° more than the bearing of P from R, so is ...

315° +48° = 363°, or 3° . . . . bearing of Q from R

The angle QPR has a value that makes the sum of angles in the triangle equal to 180°. It is ...

180° -48° -55° = 77°

The bearing of Q from P is 77° less than the bearing of R from P, so is ...

135° -77° = 58°

As above, the reverse bearing from Q to P is ...

58° +180° = 238° . . . . bearing of P from Q

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2 years ago

PLEASE HELP!!!!<br><br>Math Homework

Finger [1]

You need to add the second number and the answer to get your answer

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3 years ago

What is the expanded 97,367

Ivahew [28]

Answer:

Expanded Notation Form:

97,367 =

90,000

+ 7,000

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+ 60

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Expanded Exponential Form:

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2 years ago

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If a 200 N net force acts on a 500 grams car, what will the acceleration of the car be?

ladessa [460]

Answer:

The acceleration of the car will be 400 m/s².

Step-by-step explanation:

The acceleration of the car can be found using Newton second law:

$F = ma$

Where:

F: is the net force = 200 N

m: is the mass = 500 g

a: is the acceleration =?

Then, the acceleration will be:

$a = \frac{F}{m} = \frac{200 N}{500 g*\frac{1 kg}{1000 g}} = 400 m/s^{2}$

Therefore, the acceleration of the car will be 400 m/s².

I hope it helps you!

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2 years ago

Y=mx+b<br> What does mx stand for in the equation y=mx+b

Kryger [21]

Mx stands for the slope

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2 years ago

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