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jok3333 [9.3K]
3 years ago
7

I need help finding functions​

Mathematics
1 answer:
velikii [3]3 years ago
3 0

Answer:

  1. y= 7
  2. y= -3
  3. y= -4
  4. y= -8

Step-by-step explanation:

y= -5x+1

=-5.-1+1

=7

Now you can do this method

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PLEASE HELPPPP!!!
Elena L [17]

follow the above steps may be it's right

6 0
3 years ago
50 pts!!! Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of pi (no approx
charle [14.2K]

Answer:

  • 40π

Step-by-step explanation:

<u>Area of circle:</u>

  • A = πr²

<u>Area of α degree sector:</u>

  • S = πr²*α/360

<u>The shaded area is:</u>

  • S = π*10²×(72*2)/360 = 100π×144/360 = 40π
4 0
2 years ago
Please help i dont get it
Vaselesa [24]

You are being asked to compare various expressions to the given one, and to determine which are equivalent and which are not. You are asked to simplify the given expression—collect terms.

The given expression ...

... 4y -8x² -5 +14x² +y -1

can be simplified by identifying like terms and adding their coefficients.

... y(4 +1) +x²(-8 +14) +(-5 -1)

... = 5y +6x² -6 . . . . . simplified form

Any expression that has a different y-term, a different x² term, or a different constant term is <em>not equivalent</em>.

Once you have found this simplified expression, you can drag it to the appropriate box. Looking at the top three expressions on the left, you see immediately that they have different y-terms, so all those go to the "not equivalent" box. The expression on the bottom row has a different x² term, so it, too, is "not equivalent". (The sign is negative instead of positive. Details matter.)

The remaining expression, the one on the far right, has the appropriate y-term and constant term. The x² terms have not been combined, so it is equivalent, but not fully simplified.

5 0
2 years ago
Find the simple interest earned to the nearest cent for each principal, interest rate, and time.
Y_Kistochka [10]

Answer:

Interest earned at 3.9 percent rate is $31.2

Interest earned at 2 percent rate is $5.8

Step-by-step explanation:

A = P(1 + rt)

Where 'A' is the amount, 'r' is the rate and 't' is the time in years

When;

P = $1200

r = 3.9%

t = \frac{8}{12} years

Then,

A = $1200(1 + 0.039(\frac{8}{12}))

A = $1200 + $31.2 = $1231.2

Interest = Amount - Principal

Interest earned at 3.9 percent rate is $1231.2 - $1200 = $31.2

When;

P = $580

r = 2%

t = \frac{6}{12} years

Then,

A = $580(1 + 0.02(\frac{6}{12}))

A = $580 + $5.8 = $585.8

Interest earned = Amount - Principal

Interest earned at 2 percent rate = $585.8 - $580 = $5.8

4 0
3 years ago
Penn cuts the sandwich into equal pieces to serve 8 guests. Write an equation to represent the portion p that each guest receive
SVETLANKA909090 [29]
To show the portion, p, that each guest receives you will write the following equation.

p = 1/8

This equation shows One whole sandwich being broken into eight groups of the same portion. The answer is 1/8 of a sandwich.

6 0
3 years ago
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