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melamori03 [73]
3 years ago
6

Write the ratio in lowest terms with whole numbers in the numerator and denominator.

Mathematics
1 answer:
Paha777 [63]3 years ago
5 0
The answer is 5/4

\frac{10.15}{8.12} = \frac{10.15*100}{8.12*100} = \frac{1015}{812} =\frac{1015:7}{812:7} = \frac{145}{116} =\frac{145:29}{116:29}= \frac{5}{4}
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allenbrights electronics is having a 25% off sale. If the ratio is sale priced at $135 what is the regular price?
Julli [10]
After sale, the price is $135
75% is $135

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6 0
3 years ago
Micah places a mirror on the ground 24 feet from the base of a tree. He walks
irina [24]

The height of tree is 8 feet

<h3><u>Solution:</u></h3>

Given, Micah places a mirror on the ground 24 feet from the base of a tree

At that point, Micah's eyes are 6 feet above the ground  

And he is 9 feet from the image in the mirror.  

To find : height of tree = ?

Let "n" be the height of tree

From the question, we can see there is a directly proportional relationship between heights and distances.

Proportional relationships are relationships between two variables where their ratios are equivalent.

\frac{\text { height of micah eyes above ground }}{\text { distance of micah from mirror }}=\frac{\text { height of tree above the ground }}{\text { distance of tree from mirror }}

\begin{array}{l}{\frac{6 \text { feet }}{9 \text { feet }}=\frac{n \text { feet }}{24 \text { feet }}} \\\\ {\frac{6}{9}=\frac{n}{24}} \\\\ {\text { n }=\frac{1}{3} \times 24} \\\\ {\text { n }=8}\end{array}

Hence, the height of the tree is 8 feet

6 0
3 years ago
I need help with this one math question please!
den301095 [7]

Answer:

see explanation

Step-by-step explanation:

Assuming the fractions are being multiplied

Factorise the denominators of both fractions

x² - 3x - 10 = (x - 5)(x + 2)

x² + x - 12 = (x + 4)(x - 3)

The product can now be expressed as

\frac{x-5}{(x-5)(x+2)} × \frac{x+2}{(x+4)(x-3)}

Cancel (x - 5) and (x + 2) on the numerators/ denominators, leaving

\frac{1}{(x+4)(x-3)} = \frac{1}{x^2+x-12}

3 0
3 years ago
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kozerog [31]

Answer:

No

Step-by-step explanation:

u and o arent elements of {a, b, c, d, e, f, g, h, i}

8 0
3 years ago
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