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Solnce55 [7]
3 years ago
8

Select the simplification that accurately explains the following statement.

Mathematics
2 answers:
Vesna [10]3 years ago
7 0

Answer:

The correct option is D.

Step-by-step explanation:

The given expression is

\sqrt[3]{7}=7^{\frac{1}{3}}

Take cube both sides.

(\sqrt[3]{7})^3=(7^{\frac{1}{3}})^3

Using exponent property: a^3=a\times a\times a

(7^{\frac{1}{3}})^3=7^{\frac{1}{3}}\times 7^{\frac{1}{3}}\times 7^{\frac{1}{3}}

Using exponent property: a^ma^n=a^{m+n}

(7^{\frac{1}{3}})^3=7^{\frac{1}{3}+\frac{1}{3}+\frac{1}{3}}

(7^{\frac{1}{3}})^3=7^{\frac{3}{3}}

(7^{\frac{1}{3}})^3=7^1

(7^{\frac{1}{3}})^3=7

Therefore option D is correct.

hjlf3 years ago
5 0

The correct answer is A because when you solve everything in this equation, it comes out to 7=7=7=7=7, so this is correct. Just use your calculator to solve these.

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Answer:

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2 years ago
Find the height of a triangle with an area (A) of 35 square inches and base of 7 use the formula A= 1/2bh
slega [8]

Answer:

D. 10

Step-by-step explanation:

Since you divided by 2. You want to multiply to go back wards.

35×2=70

They already give you base(b=7) so to find the height you need to divide to go backwards since you multipled bh.

70÷7=10

now plug it in to see if the equation is right.

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5 0
3 years ago
X + y = 152,<br><br> 8.5x + 12y = 1,656<br><br> How many hats were sold?
Elodia [21]

Answer:

x = 48 and y = 104

Step-by-step explanation:

Given equations are:

x+y = 152\\8.5x+12y=1656

From equation 1:

x = 152-y

Putting the value of y in equation 2

8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104

Now we have to put the value of y in one of the equation to find the value of x

Putting y = 104 in the first equation

x+y = 152\\x+ 104 = 152\\x = 152-104\\x = 48

Hence,

The solution of the system of equations is x = 48 and y = 104

The value of variable which was assumed for number of hats, is the total number of hats.

6 0
3 years ago
The price of orange juice is believed to increase by 14% over the next year. If a gallon of orange juice costs $3.00 now, what w
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Answer:

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Step-by-step explanation:

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The graph of F(x), shown below, resembles the graph of G(x) = x2, but it has
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Answer:F(x)=-x2-3

Step-by-step explanation:We are given a function:

The graph of  is also shown in the given question figure.

It is a parabola with vertex at (0,0).

Sign of  is positive, that is why the parabola opens up.

General equation of parabola is given as:

Here, in G(x), a = 1

Vertex (h,k) is (0,0).

As seen from the question figure,

The graph of F(x) opens down that is why it will have:

Sign of  as negative. i.e.

And vertex is at (0,-3)

Putting the values of a and vertex coordinates,

Hence, the equation of parabola will become:

6 0
2 years ago
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