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3 years ago

HELP ME PLEASEEEEEEE

Mathematics

1 answer:

Mamont248 [21]3 years ago

7 0

Answer:

Top right is QI, top left is QII, bottom left is QIII, bottom right is QIV

Step-by-step explanation:

the quadrants start with one at the top left and rotate counterclockwise, rotate to the left

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Find all solutions to 4sin(5x) = 4 between 0 and 360°. (Give your answer in degrees.)

Step2247 [10]

Answer:

when n=0, x=18°

when n=1, x= 90°

when n=2 x=18+72*2=162°

when n=3, x=18+72*3=234°

when n=4, x=18+72*4=306°

x= 18 + 72n, when n={0,1,2,3,4}

Step-by-step explanation:

4sin(5x) =4

sin(5x) = 1

sin(α) = 1, when α=90° + 360n

5x = 90° +360n

x= 18 + 72n

when n=0, x=18°

when n=1, x= 90°

when n=2 x=18+72*2=162°

when n=3, x=18+72*3=234°

when n=4, x=18+72*4=306°

when n=5, x°=18+72*5 = 378°

General answer : x= 18 + 72n, when n={0,1,2,3,4}

4 0

3 years ago

H - 9 = 7 <br> explain how you found h

makkiz [27]

Answer:

h=16

Step-by-step explanation:

h-9=7

h=9+7

h=16

I hope this helps.

6 0

3 years ago

Read 2 more answers

If a 4x 16 rectangle has the same area as a square, what is the length of a side of the square?

stellarik [79]

Answer: 8 is the length of all sides of the square, So c

Step-by-step explanation:

L * W = Area

4 x 16 = 64

64 is the area of the regtangle, and so is the square.

Squares have even sides, so find the square root of 64:

8 is the square root of 64

so 8 is the answer

8 0

4 years ago

Point A is at (3, 2.6) and Point B is at (3, 1.4) on a coordinate grid. The distance between the two points is

katovenus [111]

Answer:

oma cursos online gratis de chino para aprender a hablar y escribir en este idioma. Aprende chino con cursos de las mejores universidades en edX.

Step-by-step explanation:

6 0

3 years ago

Question 10

antoniya [11.8K]

Answer:

$11,500 was invested at 13%.

$17,500 was invested at 4%

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

$T = E + P$

In this question:

Loans totaling 29,000.

P was invested at 13%

29000 - P was invested at 4%.

First investment:

Principal P.

Interest 13% = 0.13.

One year, so t = 1.

$E_{1} = P*0.13*1$

$E_{1} = 0.13P$

Second investment:

Principal 29000 - P.

Interest 4% = 0.04.

One year, so t = 1.

$E_{2} = (29000-P)*0.04$

The total interest earned for both loans was $2,195.00.

This means that $E_{1} + E_{2} = 2195$

$E_{2} = 2195 - E_{1}$

So we solve the following system:

$E_{1} = 0.13P$

$E_{2} = (29000-P)*0.04$

$2195 - E_{1} = (29000-P)*0.04$

$2195 - 0.13P = 1160 - 0.04P$

$0.09P = 2195 - 1160$

$P = \frac{2195 - 1160}{0.09}$

$P = 11500$

$11,500 was invested at 13%.

29000 - 11500 = 17500

$17,500 was invested at 4%

5 0

3 years ago