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Irina18 [472]
3 years ago
8

Solve the equation (16h^2-8h)=0 It is Algebra 8 lesson 7.4 zero prod prop need help asap

Mathematics
2 answers:
Gwar [14]3 years ago
8 0

Answer:

Let's solve your equation step-by-step.

16h2−8=0

Step 1: Add 8 to both sides.

16h2−8+8=0+8

16h2=8

Step 2: Divide both sides by 16.

16h2

16

=

8

16

h2=

1

2

Step 3: Take square root.

h=±√

1

2

Answer:

h=0.707107,−0.707107

Step-by-step explanation:

worty [1.4K]3 years ago
4 0

Answer:

1/2

Step-by-step explanation:

Substitute 1/2 as h you get 16*(1/2) you get 4 and -8*1/2 you get -4 so 4+ -4 = 0

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In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale
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Answer:

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Write all factor pairs for the number 64
sladkih [1.3K]
A factor pair is two numbers that can be multiplied to get a number.
With any number, we know that 1*itself is a factor pair. So
1*64
The number in the ones place, 4, is even, so we know that 64 is a multiple of 2. Half of 64 is 32, so
2*32
To find out if 3 is a factor of 64, we can add 6+4. If the answer is a multiple of 3, then we know that the number itself is a multiple of 3. Because 6+4=10, and 10 is not a multiple of 3, we know that 64 is not a multiple of 3.
If 2 is not a factor of a number, then we know that 4 (2*2) cannot be a factor. Because 2 is a factor of 64, then 4 might be as well. To discover whether or not 4 is a factor of 64, we can look at the number above multiplied by 2 to equal 64 (32) and see if it divides by 2 evenly, or we can half 64 and then half it again. If either answer is a whole number, then we know that the answer*4 equals 64, and that 64 is a multiple of 4. Because half of 32 is 16, a whole number, we know that
4*16=64
Because 64 does not have a 0 or 5 in the one's place, we know that it cannot be a multiple of 5.
Because 64 is not a multiple of 3, we know it cannot be a multiple of 6, because 6 is 2*3.
I happen to be familiar with my times tables, so I can tell that the multiples of 7 are 63 and 70, but not 64. 
I don't know if 64 is a multiple of 8 off the top of my head, but I can count by 8s and see if 64 comes up: 8, 16, 24, 32, 40, 48, 56, 64, 72 - I can go on, but we can already see that 64 is a multiple of 8, so 8 is a factor of 64. If we count the number of 8s I can see that there are 8 of them when we get to 64. In other words, 
8*8=64 
Because we have gotten to a factor pair that is the same 2 number multiplied by each other (the square root) we know that we have found all factor pairs of 64. 


8 0
3 years ago
Read 2 more answers
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