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STALIN [3.7K]
3 years ago
10

Jayla is trying to determine how much icing she will need to put on the border of a birthday cake she is making what is the peri

meter of the her square cake pan with an area of 144 square inches?
Mathematics
1 answer:
Novosadov [1.4K]3 years ago
6 0
Answer: 48in
Explanation: Since the area of a square is side^2, that means that you just square root the area (144), and that would be the side length. The square root of 144 is 12, so 12 is the side length. To find the perimeter, all you have to do is add all the side lengths together, and for a square, all the sides are equal, so you can just multiply 12 by 4, which is 48, and that’s your answer.
Hope u had a great day! Pls mark as brainliest!!
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Mark is buying different nuts to make a mixed nut platter to serve at a party. He buys 1.2 kilograms of peanuts, 300 grams of al
Nutka1998 [239]

Answer:

1900

Step-by-step explanation:

1 kg = 1000g

1.2kg = x

<u>1</u><u> </u><u>kgx</u> = <u>1</u><u>2</u><u>0</u><u>0</u><u> </u><u>kg.g</u>

1kg. 1kg

x = 1200 g

1 decagram = 10g

40 decagram = x

<u>1</u><u> </u><u>dg.x</u> = <u>4</u><u>0</u><u>0</u><u> </u><u>dg.g</u>

1 dg. 1 dg

x = 400g

so the total= 1200g +300 + 400g=1900g

without the unit = 1900

8 0
3 years ago
Katy invests a total of $30,500 in two accounts. The first account earned a rate of return of 15% (after a year). However, the s
uranmaximum [27]

Answer:

no clue

Step-by-step explanation:

figure it out by yourself

7 0
3 years ago
What’s 2+8? A.10 B.6 C.387 D.11. Note: PLEASE HURRY IVE BEEN TRYING TO FIGURE THIS OUT ALL DAY!!
Leviafan [203]

Answer:

i think its 10 if not then 387

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Determine if (-2,6) and (4,12) are solutions to the system of equations:
kykrilka [37]

Answer:

Both (-2,6) and (4,12) are solutions to the system.

Step-by-step explanation:

In order to determine whether the two given points represent solutions to our system of equations, we must "plug" thos points into both equations and check that the equality remains valid.

Step 1: Plug (-2,6) into y=x+8

(6) = (-2)+8 = 6

The solution verifies the equation.

Step 2: Plug (-2,6) into 2y=x^2 + 8

2(6) = (-2)^2+8=4+8=12

The solution verifies both equations. Therefore, (-2,6) is a solution to this system.

Now we must check if the second point is also valid.

Step 3: Plug (4,12) into y=x+8

(12) = (4)+8 = 12

Step 4: Plug (4,12) into 2y=x^2 + 8

2(12) = (4)^2+8=16+8=24

The solution verifies both equations. Therefore, (4,12) is another solution to this system.

3 0
2 years ago
An equilateral triangle has a side length of 10 inches. find the length of the triangle altitude
olga55 [171]
An equilateral triangle has all side lengths the same, and all angles are 60 degrees. Using this we can split the triangle along its altitude to get two right triangles with a hypotenuse of length 10 and a base of 1/2 of the original length, so 5. Now we can either use the Pythagorean theorem (a^2+b^2=c^2) or the fact that it is a 30 60 90 triangle (angles measure at 30 60 and 90 degrees) Pythagorean theorem is probably easier.
It stated that the squares of the two legs of a right triangle add to the square of the hypotenuse. So a(the altitude)^2+5(the base)^2=10(the hypotenuse)^2
A^2+5^2=10^2
A^2+25=100
A^2=75
A=sqrt(75)
A=5*sqrt(3)

Final answer:
The altitude of an equilateral triangle with side length 10 is 5sqrt(3), or about 8.66
6 0
2 years ago
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