MATHEMATICS HIGH SCHOOL

81 2x+2 = 3 2x+2

Can anyone help me slove this ASAP please

Answers

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Maria is selling toys an flowers.The toys cost $12 an the flowers cost $10. She needs to make at least $300.

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Maria needs to sell at last 14 flowers and 14 toys to get $308 

I will show you how it works:
x(12+10) = 300      you add 12 and 10 together
x(22) = 300            than 22 times x
22x = 300               now you divide 300 by 22, you will get 13.64, round it, 14
x = 14

Flowers : 10 times 14 = $ 140
Toys : 12 times 14 = $168     Now add them together.
Flowers and Toys = $308 

So this is how you get the answer

A college graduate expects to earn a salary of $55,000 during the first year after graduation and receive a 4% raise every year after that. What is the total income he will have received after ten years?

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4% of 55,000 is 2,400 multipy that by 10 and add it to 60,000 
(2,400 x 10= 24,000 )( 24,000+ 60,000=$ 84,000)

A= 13+26+39+...+169What is the sum of the prime numbers that can divide A ?


A)16 B)18 C)20 D)22 E)24

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A= 13+26+39+...+169=

= 13(1+2+3+....+13)=

=13* (13*14)/2=

=13*13*7

=> 13+7=20

So the answer is c)

List all the subsets of each set:

{a,e,i, o}

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\{\}, \{a\}, \{e\}, \{i\}, \{o\}, \{a, e\}, \{a, i\}, \{a, o\}, \{e, i\}, \{e, o\}, \{i, o\}, \{a, e, i\},\n \{a, e, o\}, \{a, i, o\}, \{e, i, o\}, \{a, e, i, o\}

PLEASE HELP ME FIGURE THIS OUT 1..

Answers

Answer: π/6

Step-by-step explanation:

sec θ = (2)/(√(3))

sec = (1)/(cos)

⇒ (1)/(cos) = (2)/(√(3))

⇒ cos θ = (√(3))/(2)

Since it is an acute angle, then 0° > θ > 90°

Look at the Unit Circle to find that cos θ = (√(3))/(2) at π/6

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Answer: -300°

Step-by-step explanation:

Set up the proportion:

(\pi )/(180) = \frac{-5\pi} {3x}

Cross multiply and solve:

π(3x) = 180(-5π)

   x = (180(-5\pi))/(3\pi)

   x = 60(-5)

   x = -300

Any one know how to find the roots of an equation?

Answers

Solutions or Roots of Quadratic Equations. A real number x will be called a solution or a root if it satisfies the equation, meaning . It is easy to see that the rootsare exactly the x-intercepts of the quadratic function , that is theintersection between the graph of the quadratic function with thex-axis.
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