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stich3 [128]
3 years ago
6

What is the area and perimeter

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

b. answer is two

a. answer is 2.5

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HELP PLEASE Enter the equation of the circle with the given center and radius.
masha68 [24]

Answer:

(x + 2)² + (y + 9)² = 49

Step-by-step explanation:

Equation:

(x - h)² + (y - k)² = r²

(x - -2)² + (y - -9)² = 7²

(x + 2)² + (y + 9)² = 49

5 0
3 years ago
jake is getting a new phone! he buys the service is $50 per month. write the funtion that would represent on how much jake sends
I am Lyosha [343]
Since x=months,

50x=y

Where x is the number of months times the monthly charge. Y is just the output, or end value.

I hope this helps!
~kaikers
4 0
3 years ago
Anna enjoys dinner at a restaurant in Washington DC where the sales tax on meals is 5%. She leave a 20% tip on the price of her
Maru [420]

Answer:

52.40

Step-by-step explanation:

Discussion

Suppose the meal starts out as x.

She pays 5% of x as a sales tax

So that brings the total up to 100% + 5% = 105%

Before paying, she pays 20% on x as her tip. The tax does not touch the tip.

So that brings the total up to 100% + 5% + 20% = 125% of this is based on x, the cost of the meal.

So 125% of x = 65.50                          change the % to a fraction

125/100 * x = 65.50                             Multiply both sides by 100/125  

125/100 * 100/125x = 100/125 * 65.50

x = 100/125 * 65.50                             Multiply by 100

x = 6550 / 125                                     Divide by 125

Check

Tax = 5% * 52.40 = 5/100 * 52.40 = 2.62

Tip = 20%*52.40 = 20/100 * 52.40=10.48

Meal =                                               52.40

Total                                                  65.50  Just as it should

8 0
3 years ago
8y+6x=7 solve for y
Lady_Fox [76]

Answer:

y= \frac{7-6x}{8}

Step-by-step explanation:

6 0
3 years ago
Write the expression as a square of a monomial.
frozen [14]

Answer:

The square of a monomial is (9x^2)^2

Step-by-step explanation:

Consider the provided monomial.

81x^4

We need to Write the expression as a square of a monomial.

The above expression can be written as:

9\times 9\times x^2\times x^2

9^2(x^2)^2

(9x^2)^2

Hence, the square of a monomial is (9x^2)^2

8 0
3 years ago
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