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Inessa05 [86]
3 years ago
6

4. The net of a square pyramid is shown

Mathematics
1 answer:
Ahat [919]3 years ago
5 0

Answer:

It’s c or a

Step-by-step explanation:

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True or False: Validity of data refers to whether the data doesn’t measure what it claims to measure. True False
shtirl [24]

Answer:

It's False

Step-by-step explanation:

It does refer to whether the data measures what it claims to measure.

Hope i helped you!

7 0
3 years ago
If (9x − 4)(9x + 4) = ax² − b, what is the value of a? (5 points)
lions [1.4K]

Given, (9x - 4)(9x + 4) = ax² - b

From algebraic identities:

We know, (a + b)(a - b) = a² - b²

Now, 81x² + 36x - 36x - 16 = ax² - b

81x² - 16 = axis² - b

So ax² = 81x²

a = 81

-b = -16

b = 16

Solution

Therefore, the value of a is 81.

<h2>MyHeritage</h2>
8 0
2 years ago
Read 2 more answers
10.9 + (-15.6) + 2.1 write as a decimal​
Delvig [45]

Answer:

-2.6

Step-by-step explanation:

10.9 + (-15.6) becomes 10.9 - 15.6 which equals -4.7. The last step is to add the 2.1 to the -4.7: -4.7 + 2.1 = -2.6

Therefore the answer is -2.6

5 0
3 years ago
paul was given 2760$ to buy toys for a group of children.A)what would be the greatest number of toys paul could buy if each toy
Radda [10]

Answer:

2760 ÷ 9 = x

x = 306

306(9) = 2754

2760 - 2754 = 6

Have a good day! :)

7 0
2 years ago
I need help with this someone explain please fractions math
Nookie1986 [14]

[deleted due to wrong answer]

5 0
3 years ago
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