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3 years ago

Vlad tried to solve an equation step by step. Find Vlad's Mistake.

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

5 0

Answer:

I think that it’s correct

Step-by-step explanation:

il63 [147K]3 years ago

5 0

Answer:

Vlad did not make a mistake

Step-by-step explanation:

Khan academy 7th grade inequalities quiz 2 and unit test

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− 2 3 y − 3 5 x + 2 9 − 4 5 x + 1 3 y Let x = 5 and y = 3. − 2 3 (3) − 3 5 (5) + 2 9 − 4 5 (5) + 1 3 (3) = −2 − 3 + 2 9 − 4 + 1

Ivahew [28]

Answer:

-16 :)

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

In a Euler diagram, “No X are Y” would be represented how?

MA_775_DIABLO [31]

Answer: Two separated circles, one called X and the other called Y.

(so there is no element of the set X that is also in the set Y)

Step-by-step explanation:

"No X are Y"

This means that there is not a single element in the set X that is also in the set Y.

So in an Euler diagram, you can represent this as two circles, one called Y and other called X, where the circles do not intersect or touch at any point.

This particular case is represented similarly to how you would represent it in a Venn diagram

7 0

3 years ago

Read 2 more answers

A line has the equation 3x-4y=1 choose the equation of a line that is parallel to the given line

raketka [301]

Step-by-step explanation:

The equation of the given line is 3x - 4y = 1

A line parallel to the given line will have slope that is the same as this one.

The equation of a straight line is expressed as;

y = mx + c

y and x are the coordinates

m is the slope

c is the y-intercept

Now, we write the given line in the slope - intercept form;

3x - 4y = 1

-4y = -3x + 1

Divide through by -4

$\frac{-4y}{-4}$ = $\frac{-3x}{-4}$ + $\frac{1}{-4}$

y = $\frac{3}{4} x$ - $\frac{1}{4}$

The slope of this line is $\frac{3}{4}$

Any line with the slope $\frac{3}{4}$ will be parallel to the given line.

4 0

3 years ago

Overnight, the temperature dropped 1.3 degrees every hour. How many hour did it take the temperature to drop 7.8 degrees?

zloy xaker [14]

Answer:

6 hours

Step-by-step explanation:

4 0

3 years ago

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The volume of a cube is 8 cubic meters. What is the length (in meters) of one edge of the cube?

notka56 [123]

Answer:

Step-by-step explanation:

volume=base•width•high

2•2•2=8

3 0

3 years ago