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Delvig [45]
3 years ago
11

It's multiplication i know but it's a tricky one so help my soul

Mathematics
1 answer:
pav-90 [236]3 years ago
7 0

Answer: -8x^3y^2  (choice B)

The coefficients multiply to 4 times -2 = -8

the x terms multiply to x^2 times x = x^(2+1) = x^3

The y terms multiply to y times y = y^(1+1) = y^2

So that's how I ended up with -8x^3y^2

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Whats greater -4 or -10
anygoal [31]
-4 because it is closer to the 0
5 0
3 years ago
Read 2 more answers
A complex number z=a+bi had an absolute value of 3.28. What could the values of a and b be ? A.a=1.5,b=1.7 C.a=1.7,b=2.8
Levart [38]
The given complex number is ⇒ z = a + b i
The absolute value of z = √( a² + b² ) = 3.28
So, we will check which of the options will give 3.28

<span>( A) IF ⇒⇒ a=1.5 and b=1.7
</span>
<span>∴ √( a² + b² ) = √( 1.5² + 1.7²) = √5.14 ≈ 2.27
</span>
===================================

<span>(B) IF ⇒⇒ a=1.5 and b=3.3
</span>
<span>∴ √( a² + b² ) = √(1.5² + 3.3²) = √13.14 ≈ 3.62
</span>
====================================

<span>(C) IF ⇒⇒ a=1.7 and b=2.8
</span>
<span>∴ √( a² + b² ) = √(1.7² + 2.8²) = √10.73 ≈ 3.28
</span>
====================================

<span>(D) IF ⇒⇒ a=2.8 and b=3.3
</span>
∴ √( a² + b² ) = √(2.8² + 3.3²) = √18.73 ≈ 4.33
=====================================
So, the correct answer is option (C) <span>a=1.7,b=2.8</span>
4 0
3 years ago
Three cans of tuna costs $1.50. what is the cost of one can of tuna. what is being compared
Aloiza [94]
3 cans = $1.50

1.50
------- = 1 can
3 cans


1.50
------- = .50
3



1 can = $.50
8 0
3 years ago
Write the ratio<br> 3/5 to 9 as a fraction in simplest form.
larisa [96]

Answer:1/10

Step-by-step explanation:

To convert a ratio to a fraction, you divide the number on the left by the number on the right. This gets you (3/5)/6. When dividing fractions by whole numbers, you need to convert the whole number to a fraction. I converted 6 to 6/1, so that gave me (3/5)/(6/1). You then multiply the top number by the bottom number to get the numerator of the answer, and the middle 2 numbers multiplied is the denominator. The answer is (3x1)/(5x6), or 3/30, which can be simplified to 1/10.

8 0
2 years ago
If 2% of a number equals 9, find 4% of that number.
s2008m [1.1K]

Answer:

18

Step-by-step explanation:

The number you are getting the percent from is 450

4 0
2 years ago
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