3 years ago

A store marks up a pair of sneakers 30%. Write the percent as a fraction or mixed number in simplest form.

Mathematics

2 answers:

s344n2d4d5 [400]3 years ago

8 0

Answer: 9/36

Step-by-step explanation:

kakasveta [241]3 years ago

6 0

30% as a fraction is 3/10.

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Given: △FKL, FK=a, m∠F=45°, m∠L=30° Find: FL

drek231 [11]

The best way to do this is to draw a picture of ΔFKL and include line segment KM that is perpendicular to FL. This creates ΔFKM which is a 45°-45°-90° triangle and ΔLKM which is a 30°-60°-90° triangle.

Find the lengths of FM and ML. Then, FM + ML = FL

FM

ΔFKM (45°-45°-90°): FK is the hypotenuse so FM = $\frac{a}{\sqrt{2}} = \frac{a\sqrt{2} }{2}$

ML

ΔLKM (30°-60°-90°): from ΔFKM, we know that KM = $\frac{a\sqrt{2} }{2}$ , so KL = $\frac{a}{\sqrt{6}} = \frac{a\sqrt{6} }{6}$

FM + ML = FL

$(\frac{3}{3})\frac{a\sqrt{2} }{2} + \frac{a\sqrt{6} }{6}$

= $\frac{3a\sqrt{2} + a\sqrt{6} }{6}$

8 0

3 years ago

Read 2 more answers

There is only one granola bar left out of a pan of 10 bars. if Will and Rachel decide to split the last granola bar what fractio

lesantik [10]

1/20. I believe. One granola bar out of ten is 1/10 and half of a granola bar (or half of 1/10) is 1/20.

6 0

3 years ago

Given that f(x) = 4x - 7 and g(x) = 4x, find a simplified expression for f(f(x)).

Vesna [10]

Given:

$f(x)=4x-7$

$g(x)=4x$

To find:

The expression for f(f(x)).

Solution:

We need to find f(f(x)).

$f(f(x))=f(4x-7)$ $[\because f(x)=4x-7]$

$f(f(x))=4(4x-7)-7$ $[\because f(x)=4x-7]$

Using distributive property, we get

$f(f(x))=4(4x)+4(-7)-7$

$f(f(x))=16x-28-7$

$f(f(x))=16x-35$

Therefore, the expression for f(f(x)) is $f(f(x))=16x-35$ .

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3 years ago

Which expression is equivalent to (2x²y) ³? O 2x¹y4 2x¹2y3 8x¹ y O 8x¹2y³

natta225 [31]

Answer: $8x^6 y^3$

Step-by-step explanation:

See attached image.

7 0

2 years ago

If (a + b) = 73 and a b =65 find value of a²+ b²

xxMikexx [17]

Step-by-step explanation:

Here,

by formula a^2+b^2=(a+b)^2-2ab

so,

or,(a+b)^2-2ab

or,(73)^2-2×65

or,5329-126

=5203 is the answer

6 0

3 years ago