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Pavel [41]
3 years ago
9

I need help. Do not put up a link to a site. Find the value of each variable.

Mathematics
1 answer:
Marysya12 [62]3 years ago
4 0

Answer:

x = 15.56

y = 15.56

Step-by-step explanation:

In the right angled triangle,

Taking 45 as the reference angle,

h = 22

p = y

b = x

sin45 = p/h

sin45 = y/22

y = sin45 x 22

y= 15.56

cos45 = b/h

cos45 = x/22

x = cos45 x 22

x= 15.56

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What interest is needed to earn $137.50 on a deposit of $500 for five years if it earns simple interest?
sineoko [7]

Answer:

5.5%

Step-by-step explanation:

Given data

Simple interest =  $137.50

Principal= $500

time = 5 years

We want to find the rate  R

Simple interest= PRT/100

137.50 = 500*R*5/100

137.50=2500R/100

cross multiply

137.5*100= 2500R

13750= 2500R

divide both sides by 2500

R= 13750/2500

R=5.5%

Hence the rate is 5.5%

4 0
3 years ago
I need some help please
enyata [817]
3 pencil 4 bubblegum 2 sports cards
You had to divide each by 3
6 0
3 years ago
Read 2 more answers
75+20 1X -40+13 X +76 + 3X -20 = 720 solve for x
hoa [83]
Thanks.

Answer is 37x=720-20+20-75-76+40=609

x=609/37= 16.459 Assuming all the numbers are the same as we can see it in the equation.
4 0
4 years ago
For f(x) = 4x+1 and g(x) = x2 - 5, find (f - g)(x).
Lostsunrise [7]

Answer:

C

Step-by-step explanation:

Simply substitute the equations f(x) and g(x) for f and g.

(4x+1)-(x^{2}-5)

4x+1-x^{2}+5

Do some rearranging and:

-x^{2}+4x+6

Hope this helped!

3 0
3 years ago
Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks. Mr. Mason, the ow
Andrews [41]

Answer:

It will take one day and they will each sell 20 cars.

Step-by-step explanation:

Choose variables to represent each thing of interest:

  • Fairfax = F
  • Mason = M
  • days = d

F = 19 + 1(d)

M = 18 + 2(d)

The goal is for F and M to equal one another, so set the equations equal to one another.

19 + 1d = 18 + 2d

1 = d

So, it will take one day.

Now, solve for F and M

F = 19 + 1(1) = 20

M = 18 + 2(1) = 20

3 0
4 years ago
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