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3 years ago

Assistance required pleasssse help!

Mathematics

1 answer:

nexus9112 [7]3 years ago

8 0

Answer:

system of function:

f(x)=.5x+6

f(x)=x^2; x > 2

Step-by-step explanation:

there's a screenshot attached. Explanation: I'm using desmos and just type the functions like what the screenshot did to graph the piecewise function made by two functions

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The diameter is 2 1/3 kilometers. What is the circumference?

Ahat [919]

Answer: 7.3 km

Step-by-step explanation:

the equation for circumference is C=лd

so it will be

C=Л x 2 1/3 = 7.3330 kilometer

and if u want it in meter it will be C=л x 2 333.33333 = 7330.38 meter

6 0

3 years ago

Sally ordered some pizzas to be delivered the bill for the pizza was m dollars sally tipped the deliverer 15% of the bill

Ad libitum [116K]

The expression would be: m + 0.15m and to know how much she paid I believe it would be 26.09 (rounded)

Hope it helped!

7 0

3 years ago

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What is the perimeter of a square with an area of 324 cm2?

andriy [413]

To find the perimeter we must first find the length of the sides. How to do this is shown below:

The formula for the area of a square is:

A = s²

Area = side²

We know that area (A) is 324

324 = s²

Now we must find the length of the side (s). To do this we must get rid of the square. To remove the square from s take the square root of both sides:

√324 = √s²

18 = s

Each side of the square is 18 cm

Now we can find the perimeter of the square using the formula:

P = 4s

P = 4(18)

P = 72

The perimeter of a square with an area of 324 cm² is C. 72 cm

Hope this helped!

~Just a girl in love with Shawn Mendes

4 0

3 years ago

During a week-long dry spell, the water level in a pond decreased by 4 in. Per day, except for two days when it decreased by hal

Helga [31]

Answer:

24 inches.

Step-by-step explanation:

Given:

During a week the water level in a pond decreased by 4 in. Per day,

For two days, it decreased by half that amount = $4\times\frac{1}{2}=2\ inches\ per\ day$

Question asked:

How much did the water level decrease in the pond in one week?

Solution:

As we know, there are 7 days in a week.

Each day water level decreased by = 4 inches

In 5 days, water level decreased by = $4\times5=20\ inches$

<u>For exceptional 2 days:</u>

Each day water level decreased by = 2 inches

In 2 days, water level decreased by = $2\times2=4\ inches$

Water level decreased in whole week = 20 + 4 = 24 inches

Therefore, water level decreased 24 inches in the pond in one week.

7 0

3 years ago

The order of the ______________ in the congruence statement for two congruent triangles tells you the correspondence.

goblinko [34]

Letters

If ABC is congruent to DEF
Then angle A = angle D
angle B = angle E
angle C = angle F
Sides:
AB = DE
BC = EF
AC = DF

4 0

3 years ago

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