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3 years ago

3. You sell storm windows and doors. You receive a straight

Mathematics

1 answer:

OLEGan [10]3 years ago

5 0

Answer:

$\$3886.8$

Step-by-step explanation:

Commission received on selling each storm window $=8\%$ of the selling price of each storm window

Commission received on selling each door $=12\%$ of the selling price of each door

Amount earned on selling storm windows = $5,400

Amount earned on selling doors = $28,790

Commission received on selling storm windows $=\frac{8}{100}(5,400)=\$432$

Commission received on selling doors $=\frac{12}{100}(28,790)=\$3454.8$

Therefore,

Total commission received $=432+3454.8=\$3886.8$

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Vikentia [17]

Answer:

There are 7 sides.

Step-by-step explanation:

Let's Use the formula that states that the sum of the angles of an n-sided polygon is given by.

S=(n−2)180

Since we are given that the two angles are right, the angles and each of the remaining angles is 144.

And Therefore, the sum is:

S=90

(n−2)144

(n−2)180

=90

+90

+(n−2)144

⇒(n−2)180

−(n−2)144

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⇒(n−2)(180

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)=180

⇒(n−2)(36

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⇒n−2=

180

⇒n−2=5

⇒n=5+2=7

Hence, the polygon has 7 sides.

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2 years ago

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If f(x) = 2x+4, which of the following is the inverse of f(x)?

creativ13 [48]

Answer:

${f}^{ - 1} (x)= \frac{x}{2} - 2$

Step-by-step explanation:

The given function is

$f(x) = 2x + 4$ Let

$y = 2x + 4$

Interchange x and y.

$x = 2y + 4$

Solve for y,

$x - 4 = 2y$

Divide both sides by 2

$y = \frac{x}{2} - 2$

Therefore;

${f}^{ - 1} (x)= \frac{x}{2} - 2$

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3 years ago

A lotion is made from an oil blend costing $1.50 per ounce and glycerin costing $1.00 per ounce. Four ounces of lotion costs $5.

vovikov84 [41]

Answer:

A=(4-g) 1.5

Step-by-step explanation:

Let g be the amount of glycerin in the lotion. We know that there are 4 ounces total of lotion; this means that there are 4-g ounces of the oil blend.

The oil blend costs $1.50 per ounce; this gives us the expression (4-g)1.5 for the oil blend.

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3 years ago

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Vedmedyk [2.9K]

Please show the choices

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3 years ago

If a =-2 and b= 2 what will be the value of a^b

raketka [301]

Write out the equation;

y=a^b
y=(-2)^2
y=(-2)(-2)
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Therefore, the value of a^b is 4

Hope I helped :)

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3 years ago

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