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Nastasia [14]
2 years ago
11

Find the missing terms. 3, _____, _____, 21 (arithmetic)

Mathematics
1 answer:
natka813 [3]2 years ago
6 0

Answer:

3, 9, 15, 21

Step-by-step explanation:

3x1=3 v

3x2=6

3x3=9 v

3x4=12

3x5=15 v

3x6=18

3x7=21 v

Skip one each time, 3, 9, 15, 21

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lbvjy [14]

There are 453.5 grams in 1 pound


I hope that's help and have a great night !

5 0
3 years ago
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700​% of what number is 4,340​?
Luden [163]

Answer:

620

Step-by-step explanation:

100% must be the the answer so 700% must be 7 times that number.

4340÷7=620

7 0
2 years ago
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Planet ruba has a population of 1 million alien planet Zamba has one hundred thousand million how many more aliens does planet r
Elena-2011 [213]
Let's put it into numbers:

Ruba: 1 000 000

Zamba: 100 000 000 000

Zamba has many more aliens than Ruba!!!

it has 100 000 000 000/1 000 000 =100 000 times more aliens,

in absolute numbers: 100 000 000 000 - 1000 000 =  =99 999 900 000

100 000 000 000
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7 0
2 years ago
Find y. A. √22 B. 8 C. √42 D. 4
Elina [12.6K]

Answer:

\Large \boxed{\mathrm{D. \ 4}}

Step-by-step explanation:

The triangle is a right triangle.

We can use trigonometric functions to solve the problem.

tan θ = opp/adj

tan 30 = y/(4√3)

y = 4√3 tan 30

y = 4

7 0
2 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
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