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ryzh [129]
3 years ago
10

|2x−3y| if x=0.5; y=−0.7 help me out please

Mathematics
2 answers:
Inessa05 [86]3 years ago
7 0
The answer is 3.1
(2*0.5)-(3*-0.7)
1-(-2.1)
1+2.1
3.1
oee [108]3 years ago
5 0

The given expression is

| 2x-3y | , x=0.5, y=-0.7

Substituting the given values of x and y, we will get

| 2(0.5)-3(-0.7) | = | 1+ 2.1 | = |3.1 |

And absolute value of both positive and negative number is a positive number .

Therefore the final answer is

| 3.1 | = 3.1

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3 1/2 divided by 2 3/5
melomori [17]

Step-by-step explanation:

31/2×5/23 (use reciprocal)

31×5=155

155÷46=3.369565217

155/46

3 and 17/46

8 0
2 years ago
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podryga [215]

Answer:

x=-22/4

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Step-by-step explanation:

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we <u>add</u> the equation

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I take 4x+2y=-16

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7 0
3 years ago
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Free_Kalibri [48]

Answer:

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\frac{9}{5}

Step-by-step explanation:

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4 0
3 years ago
The area of a rectangle is 66 ft2, and the length of the rectangle is 1 ft more than twice the width. Find the dimensions of the
umka21 [38]
This is probably way overcomplicated but i cant remember how to do it
w = n
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3 0
3 years ago
Subtract using the number line -3/5 - (-2/5) (picture provided)
lara31 [8.8K]

Answer:

<h2>-1/5</h2>

Step-by-step explanation:

Starting at -3/5 you need to subtract -2/5.

When you subtract a negative number, the sign flips and you add instead. Often, you are taught that two similar signs means add and two opposite signs mean minus.

<em>+ + = +</em>

<em>- - = -</em>

<em>+ - = -</em>

<em>- + = -</em>

<em />

This means -3/5 - -2/5 becomes -3/5 + 2/5.

Because you are adding, you move two lines to the right on the number line.

You end at -1/5.

5 0
3 years ago
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