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2 years ago

Please, i really need help

Mathematics

1 answer:

Dovator [93]2 years ago

8 0

(2,6) it’s where they cross. If there isn’t a graph make the two equations equal to each other to find x then plug in x to either equation to find y

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I need help with math 1010 completing the square x^2-9x=10

Citrus2011 [14]

$x^2-9x=10|+20.25\\
x^2-9x+20.25=30.25\\
(x-4.5)^2=30.25\\
x-4.5=5.5 \vee x-4.5=-5.5\\
x=10 \vee x=-1$

7 0

3 years ago

The ratio of men to women working for a company is 8 to 5 . If there are 125 women working for the company, what is the total nu

kobusy [5.1K]

Answer:

325 employees

Step-by-step explanation:

men to women is

8:5

125/5 is 25

8*25=200

200+125=325

325 employees

3 0

3 years ago

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Please help. Sine and Cosine rules

kodGreya [7K]

Answer:

a=41.8 BC=2.8

Step-by-step explanation:

sin30/6=sinx/8

8*sin30=6sinx

4=6sinx

sin^-1(4/6)

angle a

cosine rule

bc^2=3^2 +5^2-2(3)(5)*cos30

BC^2= $\sqrt8.019237886\\$

BC=2.83

2.8

3 0

3 years ago

117 over 200 as a percent

Natasha_Volkova [10]

117 times 100 11700 then divide by 200 which is 58.5 %

6 0

3 years ago

Find all the real cube roots of 1000/27 10/3 10/9 -10/9 -10/3

gulaghasi [49]

Can you do prime factoriztion

1000
100 * 10
10 * 10 * 10

27
9 * 3
3 * 3 * 3

cube root (1000/27) = 10/3

7 0

3 years ago

Read 2 more answers