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lianna [129]
2 years ago
14

How does the Moon reflect sunlight as it orbits Earth, creating predictablecyclic patterns?​

Mathematics
1 answer:
kogti [31]2 years ago
4 0
Hmmm very good question
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What is the following sum?<br> 4sqrt5+2sqrt5
Anna71 [15]

Answer:

4\sqrt{5} +2\sqrt{5}\\= 6\sqrt{5}

Step-by-step explanation:

7 0
3 years ago
At the Grassy Meadows Mennonite School, the total number of students in grade 7-9 is the lowest commom multiple of the numbers o
kobusy [5.1K]

Answer:

Seven  

Step-by-step explanation:

Let G7, G8, and G9 be the numbers of students in the respective grades.

Then, G7 + G8 + G9 = LCM of G8 and G9

<em>Data: </em>

G8 = 5

G9 = 3

<em>Calculations: </em>

<em>Multiples of 5</em>: 1 2          10 15

<em>Multiples of 3</em>: 1   3 6 9       15

The <em>LCM</em> of 5 and 3 is 15.

G7 + 5 + 3 = 15     Combine like terms

     G7 + 8 = 15     Subtract 8 from each side

           G7 = 7

There are seven students in Grade 7.


4 0
3 years ago
5 times a number is 110 less than 7 times that number
Nitella [24]

Answer:

55

Step-by-step explanation:

let the number=x

5x=7x-110

7x-5x=110

2x=110

x=110/2=55

3 0
3 years ago
If 100% of a number is 15, what is 50% of the number?
anzhelika [568]

Answer:

Let n be the number

100% of a number is 15 is written as: 100% × n = 15

100% = 100 / 100 = 1

Hence

100% × n = n = 15

We now need to find 50% of the number

50% of 15 = (50 / 100) × 15 = 750 / 100 = 7.5

Step-by-step explanation:

Mark me as brainliest pls

§ALEX§

6 0
3 years ago
1. Angle BAC = 35° and angle BCA = 20°. What is the measure of angle BAD?
Tema [17]

Check the picture below.

7 0
2 years ago
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