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Nikolay [14]
3 years ago
8

What does x equal -x +5 = -4

Mathematics
1 answer:
LiRa [457]3 years ago
5 0

Answer:

-9

Step-by-step explanation:

+number + +number = positive

-number + +number = negative

When you add a positive number to a negative number, the negative number will try to go down to 0 more

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aliya0001 [1]
No, your answer are wrong (I assume that the question asks to simplify the roots). You can only remove (their square is placed in from of the root and multiplied by it) the numbers from the root that are squares, the lest must stay, like this:

\sqrt{14} = \sqrt{2*7} , no roots are among the factors, nothing can be removed
\sqrt{14} = \sqrt{2*7} , nothing can be removed
-\sqrt{39} = -\sqrt{3*13}nothing can be removed
-\sqrt{56} = -\sqrt{2*2*2*7}=-2\sqrt{14} ,
-\sqrt{77} = -\sqrt{11*7} ,nothing can be removed
\sqrt{41} = \sqrt{41} ,nothing can be removed
\sqrt{21} = \sqrt{3*7} , nothing can be removed
- \sqrt{65} = -\sqrt{5*13} , nothing can be removed
-\sqrt{12} = -\sqrt{2*3*4} =-2\sqrt{4},
\sqrt{13} = \sqrt{13} , nothing can be removed
\sqrt{32} = \sqrt{4*4*2} =4\sqrt{2},
\sqrt{47} = \sqrt{47} , (47 is prime) nothing can be removed
-\sqrt{99} = -\sqrt{9*11}= -3\sqrt{11} ,

































4 0
3 years ago
You earn 5000 with a annual raise of 250, how much will you earn in 3 years?​
Pachacha [2.7K]

Answer:

5750

Step-by-step explanation:

5000+250=5250

5250+350=5500

5500+250=5750

5 0
3 years ago
Use a special right triangle to find the value of y. Write as a decimal rounded to the nearest 10th
VladimirAG [237]

Given:

The figure of a right angle triangle.

To find:

The value of y.

Solution:

in a right angle triangle,

\sin \theta=\dfrac{Opposite}{Hypotenuse}

In the given right triangle,

\sin 60^\circ=\dfrac{6}{y}

\dfrac{\sqrt{3}}{2}=\dfrac{6}{y}

On cross multiplication, we get

\sqrt{3}y=12

y=\dfrac{12}{\sqrt{3}}

y=\dfrac{12\sqrt{3}}{3}

y=4\sqrt{3}

Therefore, the value of y is 4\sqrt{3} units.

7 0
3 years ago
Which expression is equivalent to 4+6(ac+2b)+2ac
Montano1993 [528]

Answer: 8ac+12b+4

Step-by-step explanation: Simplify the expression.

Hope this helps you out! ☺

7 0
3 years ago
How is this equation properly graphed on the number line?
nika2105 [10]

Given the comopound inequality:

x\le7\text{ and x > -1}

Let's graph the compound inequality.

Here x is greater than -1 but less than or equal to 7.

To graph the inequality, we have:

[tex]-1Since x is greater than -1, plot an open dot on the point -1.

Also, x is less than or greater than 7, plot a closed dot on the point 7.

Then draw a straight line connecting both points.

Hence, we have the graph below:

8 0
2 years ago
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