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Sidana [21]
3 years ago
12

Hazel has band practice every other day and volunteers every seven days. if she had a band practice and volunteered on oct 23, w

hen will be the next date on which she has both volunteering and band practice
Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0
Cjdfb hjkbftbbui yuftg
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If the geometric mean of a and 28 is 16 sqrt 7 find a
kozerog [31]

Answer:

a = 64

Step-by-step explanation:

The geometric mean of 2 numbers a and b is \sqrt{ab} , then

\sqrt{28a} = 16\sqrt{7} ( square both sides )

28a = (16\sqrt{7} )² = 1792 ( divide both sides by 28 )

a = 64

8 0
2 years ago
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5/9 × 6 will the product be more or less than 2/9
8_murik_8 [283]
The product is 3.3333333333333 so less. hope this was helpfull
4 0
2 years ago
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What is the value of a in a/5 + 3= 8
OLga [1]

Answer:

Step-by-step explanation:

what is the value of a in a/5 + 3= 8

a/5 + 3= 8

a/5 = 8 - 3

a/5 = 5

a = 5 * 5

a = 25

3 0
2 years ago
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Two similar polygons have areas of 16 square inches and 64 square inches. The ratio of a pair of corresponding sides is 1/4.
Luden [163]
Your answer is A. True.

Hope this helps.


5 0
3 years ago
three numbers are in an arithmetic progression. Their sum is 3 and the sum of their squares is 11. what are the three numbers
Vlad [161]

The three numbers are 12, 18 and 24

Arithmetic progression

Let the 3 number in arithmetic progression be:

a-d, d, a+d ...

If their sum is 3, then;

a-d+d+a+d = 3

2a + d = 3 ........... 1

If the sum of their squares is 11, then;

(a-d)² + d² + (a+d)² = 11

a²-2ad+d²+d²+a²+2ad+d²  11

2a²+3d² = 11 ....... 2

Solving the equations simultaneously, d = 6 and a = 12

First-term = 12

second term = 18

Thirs term = 24

Hence the three numbers are 12, 18 and 24

Hope this helps you!!!!!! :D

5 0
2 years ago
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