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djyliett [7]
2 years ago
13

What is 126 over 399 as a ratio

Mathematics
2 answers:
Xelga [282]2 years ago
5 0
126:399 is one of the ratios to use and 42:133.
juin [17]2 years ago
4 0
\frac{126}{399} =  \frac{42}{133}  which can also be expressed as 42:133 or 42 to 133.

I knew I could divided each number by 3 because the sum of the digits 1+2+6  or 3 + 9 + 9 sums to a multiple of 3 or if you add the sums to a single digit you will get 3, 6 or 9
1+ 2+ 6 = 9
3 + 9 + 9 = 15 and 1+ 5 = 6   
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Find the lateral area of the pyramid to the nearest whole number.
son4ous [18]

Answer:

The correct answer is first option.  204 m²

Step-by-step explanation:

Formula:-

Lateral surface area of square pyramid = 4 * area  of triangle

<u>To find the slant height of triangle(l)</u>

l = √(6² + 6²) = 6√2

To find the area of triangle

Area = bh/2

b = 12 m

h =  6√2

Area = (12 * 6√2)/2 = 36√2

<u>To find the lateral surface area of Prism</u>

Lateral surface area of square pyramid = 4 * area  of triangle

= 36√2 * 4 = 203.64 ≈ 204 m²

First answer is the correct option

7 0
3 years ago
granola bite contains 27 calories. Most of the calories come from grams of carbohydrates. The rest come from other ingredients.
azamat

Answer:

5 1/2

Step-by-step explanation:

The calories contained are from grams of carbohydrates and other ingredients

One gram of carbohydrate contains 4 calories

The equation 4c + 5 = 27 represents the relationship between these quantities.

1. 5 from the equation represent calories from other ingredients

2. Neither 8 nor 3 is the solution to the equation

4c + 5 = 27

When 8 is the solution

4(8)+5=27

32+5=27

37=27

When 3 is the solution

4(3)+5=27

12+5=27

17=27

Neither 8 nor 3 is the solution to the equation because 8 gives a higher calories in the granola bite and 3 gives a lower calories in the granola bite.

3. Solution to the equation

4c + 5 = 27

4c= 27-5

4c = 22

Divide both sides by 4

c=22/4

=5 2/4

=5 1/2

The solution to the equation is 5 1/2

7 0
3 years ago
A tank full of water is leaking at a constant rate for 30 minutes. The equation
ankoles [38]

Answer:  A. There were 500 liters in the tank when the leak started, and it is  decreasing by 9 liters per minute.

Step-by-step explanation:

This equation is in the form; y =mx + c.

<em>c</em> in this equation is the value of y when x is at 0.

<em>c</em> in the above formula is 500 which means that the number of litres (y) at zero minutes(x) is 500 litres.

<em>m</em> is the rate of change as a result of a change in x.

<em>m</em> in this equation is -9 which means that the water is reducing by 9 litres every minute (x).

3 0
2 years ago
What is 34-34<br><br> (A) 0<br><br> (B) 90<br><br> (C) 7<br><br> (D) 12
MissTica

Answer:

0

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Which expression is equivalent to the given polynomial expression?
PilotLPTM [1.2K]

Answer:

-4 a^2 - 3 b

Step-by-step explanation:

8 0
3 years ago
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