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3 years ago

13

-3(8x + 4) + 1/2 (6x - 24)

1 answer:

julsineya [31]3 years ago

6 0

-3(8x + 4) + 1/2 (6x - 24)

-21x - 24

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Law of cosines.Anyone good in Trigonometry?

marin [14]

Answer:

$c=11.8\ units$

Step-by-step explanation:

we know that

The formula of law of cosines is equal to

$c^2=a^2+b^2-2(a)(b)cos(C)$

where

a, b and c are sides. C is the angle opposite side c

In this problem we have

$a=3\ units\\b=10\ units$

$C=120^o$

substitute the given values

$c^2=3^2+10^2-2(3)(10)cos(120^o)$

$c^2=109-(60)cos(120^o)$

$c^2=109-(60)(-0.5))$

$c^2=109+30$

$c^2=139$

$c=11.8\ units$

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3 years ago

Find the greatest common factor of the following numbers.

densk [106]

2 times 3 times 4 times 4 times 5 equals 480

5 0

3 years ago

Gaus method to collect 1-100

jolli1 [7]

Answer:

5050

Step-by-step explanation:

S=n*(n+1) / 2

S=100 * (100+1) /2 = 50 * 101 = 5050

6 0

4 years ago

Read 2 more answers

What expression gives the distance between the points (4,6) and (7,-3)?

solniwko [45]

Answer:

$\sqrt{(-3^2-6)+(7^2-4^2)}$

Step-by-step explanation:

Use the form: $\sqrt{(x^2-x^1)+(y2-y1)^2$

so: $\sqrt{(-3^2-6)+(7^2-4^2)}$

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3 years ago

5x105<br> What does this mean

vitfil [10]

$5\times10^5=500000$

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

3 0

3 years ago