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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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Please Help!!!!!!! No stupid answers
Pavel [41]
The answer to A. is 108cm or 1.08m

First convert 2m to cm:
2m x 100 = 200 cm
Next convert 6m to cm:
6m x 100 = 600 cm
Divide the height of the person by his/her shadow:
200cm ÷ 600cm = <span>0.33333333333 = .3</span>
Multiply 360cm by .3:
360cm x .3 = 108cm
108cm ÷ 100 = 1.08m

The answer to B. is 6.8 cm.

The scale seems a bit small... are you sure you don't mean 0.8 m?
a = length of actual car.
8.5 x 0.8 = 1 x a
6.8 = 1 x a
6.8 ÷ 1 = a
6.8 = a

If you did mean 0.8 m... the answer is 680 cm or 6.8 m.

a = length of actual car.
0.8m x 100 = 80cm
8.5 x 80 = 1 x a
680 = 1 x a
680 ÷ 1 = a
680 = a
680 ÷ 100 = 6.8
8 0
3 years ago
if pentagon abcd was reflected over the axis y-axis, reflected over the x-axis, and rotated 180, where would be point A' lie
frez [133]
A reflection over the x axis coupled with another reflection over the y axis leads to a rotation of 180 degrees. 

In other words,

Start with point A. Reflect over the x axis to get point B. Reflect B over the y axis to get point C. To go from A to C, we can rotate A 180 degrees about the origin.

----------------

So this means that if we do those reflections and then do the rotation, then we end up back where we started. Wherever point A is located, the point A' will also be located at the same position with the same coordinates. 
4 0
2 years ago
HELLLLPPPPPLPPOOLL no fake answers pls
stepan [7]

Answer:

x = 11

Step-by-step explanation:

(3x + 28) + (5x + 52) + ( 2x - 10) = 180

(3x + 5x + 2x) + (28 + 52 - 10) = 180

10x + 70 = 180

10x = 180 - 70

10x = 110

x = 11

6 0
2 years ago
Read 2 more answers
A Salesman worked on a weekly salary of $180.00 . To this was added a commission of 5% on all sales over $500. It his sales for
Anvisha [2.4K]
250x.05 = 12.5 + 180 = 192.50
4 0
3 years ago
y is inversely proptional to x when y = 7, x = 9 a) work out an equation connecting y and x b) work out the value of y when x =
OLga [1]

Answer:

a) yx=63

b) y=3

Step-by-step explanation:

a)

yx=k (inverse formula)

7(9)=k

63=k

b)

y(21)=63

y=63/21

y=3

3 0
2 years ago
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