2 years ago

A ship captain is mapping a trip and wants to know the distance the ship will

Mathematics

1 answer:

REY [17]2 years ago

5 0

Answer:

a)12.50

Step-by-step explanation:

because if you think about it its right

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The difference of two numbers is 3 and the sum of their squares is 65. find the numbers.

Vitek1552 [10]

The numbers are 4 and 7
j^2+k^2=65

4^2+7^2=65
16+49=65
65=65
hope i helped

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2 years ago

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What is the measure of А 50" 50° B C [Not drawn to scale] 50° 80 100 130

Paladinen [302]

Answer:

solution given :

<A=?

<B=50°

<C=50°

if it is a triangle:

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<A=180-50-50

<A=80°

<A=80° is a required answer.

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2 years ago

The additive inverse of 7 19 − is (a)- 7/ 19 (b) 7 /19 (c) 19/ 7 (d) 19 /7

Dafna11 [192]

Answer:

19/7

Step-by-step explanation:

The additive inverse of 7/19=1 : 7/19= 19/7

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3 years ago

Rearranging literal equations!! really confused ASAPplease

valina [46]

Answer:

b = $\frac{8a-55}{5-a}$

Step-by-step explanation:

To clear the radicals square both sides

$\frac{1}{6-a}$ = $\frac{8+b}{b-7}$ ( cross- multiply )

(6 - a)(8 + b) = b - 7 ← expand factors on left using FOIL

48 + 6b - 8a - ab = b - 7 ( subtract 48 from both sides )

6b - 8a - ab = b - 55 ( add 8a to both sides )

6b - ab = b - 55 + 8a ( subtract b from both sides )

6b - ab - b = 8a - 55, that is

5b - ab = 8a - 55 ← factor out b from each term on the left side )

b(5 - a) = 8a - 55 ← divide both sides by (5 - a)

b = $\frac{8a-55}{5-a}$

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WORD PROBLEM-You play video games online. When you sign up with the game site, you get 200 points. You earn 20 more points for e

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