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Cloud [144]
3 years ago
14

I have this for math but i don’t know how to solve it

Mathematics
1 answer:
Serhud [2]3 years ago
7 0

associative property of multiplication   (a * b) * c = a * (b * c)

(3*x) *8 =3*(x*8) is the associative property of multiplication

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a woman at a point a on the shore of a circular lake with radius 1.2 mi wants to arrive at the point B diametrically opposite A
kenny6666 [7]

If she arrives by boat;

The distance she needs to row = Lake diameter

Distance = Lake diameter = 2 x Radius

Boat distance = 2 x 2 miles = 4 miles

So;

When moving on foot

The distance that needs to be moved D = Half of the circle circle

∴ D = π × Radius

The distance that needs to be moved D = π × 2 miles = 2π Miles

Arc length = Radius × θ

String length = radius x 2 x sin (θ / 2)

0 ≤ θ ≤ π, 0 ≤ sin (θ / 2) ≤ 1

Learn more here shore of a circular at

brainly.com/question/16597466

#SPJ10

4 0
2 years ago
How do I solve this algebra equation X+7=2x-8
ale4655 [162]
You know that we have to simplify the algebra equation, so first you have to combine x and 2x. X + 2x equals to 3x. Now that we combined x and 2x which makes 3x, we have to do 7 and -8. 7 + -8 which equals to -1. Therefore, the answer to this algebra equation is 3x + -1.
5 0
3 years ago
Read 2 more answers
In a two-step equation, you should take care of multiplication and division before addition and subtraction.
Vladimir79 [104]
I’m not sure if this is a question, but yes, i like to use “PEMDAS”.
Parentheses, exponents, multiply, divide, add, subtract.
You always go in order from left to right!
3 0
3 years ago
10 – 7x = 2 – 8x<br> What is x
SVETLANKA909090 [29]

Answer:

x = 12

Step-by-step explanation:

10 – 7x = 2 – 8x

– 7x + 8x = 2 + 10

x = 12

7 0
3 years ago
Read 2 more answers
you go shopping and your bill comes to $54 the sales tax added equals 7% what is the amount of sales tax added to your bill
alekssr [168]

Answer:

$3.78

Step-by-step explanation:

find 107%(100%=$54+7%=107%)

54*107/100= $57.78

find the amount of sale tax

57.78-54=$3.78

4 0
3 years ago
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