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Triss [41]
3 years ago
12

7+x/5=-4 what does x equal

Mathematics
1 answer:
Georgia [21]3 years ago
5 0

Note the equal sign. What you do to one side, you do to the other.

Do the opposite of PEMDAS.

Subtract 7 from both sides

x/5 + 7 = -4

x/5 + 7 (-7) = -4 (-7)

x/5 = -11

Next, to isolate the x, multiply 5 to both sides

x/5(5) = -11(5)

x = -11(5)

x = -55

-55 is your answer for x.

hope this helps

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Simora [160]

Considering the conversion from exponent to radical, the equation that justifies why the expression 9^{\frac{1}{3}} = \sqrt[3]{9} is correct is.

(9^{\frac{1}{3}})^{3} = 9^{\frac{3}{3}} = 9

<h3>How is the conversion from exponent to radical realized?</h3>

The conversion of rational exponents to radical notation is modeled by:

a^{\frac{n}{m}} = \sqrt[m]{a^n}

In this problem, the expression is:

9^{\frac{1}{3}} = \sqrt[3]{9}

And the equation that shows that this is correct is:

(9^{\frac{1}{3}})^{3} = 9^{\frac{3}{3}} = 9

More can be learned about the conversion from exponent to radical at brainly.com/question/19627260

#SPJ1

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3 years ago
Find f(3) if<br> f(x)=x^3 + 2x^2-x-1
Wittaler [7]

Answer:

\underline{ \boxed{f(3) = 41}}

Step-by-step explanation:

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4 0
3 years ago
What is the lateral area of the drawing?
katrin2010 [14]

The lateral area of the shape is the sum of the area of all lateral faces.

The area of the lateral face that is rectangle with sides 5 mi and 2 mi is

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As you can see the shape has all four lateral faces of the same rectangular form with the same sides lengths, therefore,

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8 0
4 years ago
The area of a triangle is found using the following formula:
Serjik [45]

Answer:

12

Step-by-step explanation:

a=bh x 1/2

If you plug in 3=b and 8=h it is now

a= 3 x 8 x 1/2

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Hope this helps :)

5 0
3 years ago
A recent study examined the association between high blood pressure and increased risk of death from cardiovascular disease. The
sergey [27]

According to sources, the most probable answer to this query is that thee results seems to support a .05 probability. Meaning, this supports the hypothesis' claim. Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
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3 years ago
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