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Nutka1998 [239]

3 years ago

5

A used desktop computer sells for $430, which is 75% reduction from the original price. What was the original price of the compu

ter?

1 answer:

sveticcg [70]3 years ago

4 0

The answer will be 752.50

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Please help !!!! Urgent!!!<br> What is the value of K?

Over [174]

Answer:

29

Step-by-step explanation:

(5k-3) + (9+k) = 180

6k + 6 = 180

6k = 174

k = 29

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||25 POINTS WILL GIVE BRAINLIEST||

Harrizon [31]

Answer:

B

Step-by-step explanation:

-1+(-6)

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What is the developed form of 2(3x-10)

vovikov84 [41]

The first step to finding the developed form is to multiply each term in the parenthesis by 2
2 × 3x - 2 × 10
now,, youll need to calculate the product of the first multiplication set
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6x - 20
this means that the correct answer to your question is 6x - 20.
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3 years ago

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The function g is defined by g(x) = x² +4.<br> Find g(5n)

jasenka [17]

Answer:

g(5n)=5n^2+4

Step-by-step explanation:

Substitute 5n for x

5n^2+4

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3 years ago

Changle. Show all work. Round each length to the nearest tenth and each angle to the

Sedaia [141]

Answer:

Part 1) $BC=12.2\ units$

Part 2) $m\angle A=55^o$

Part 3) $m\angle C=35^o$

Step-by-step explanation:

Part 1) Find AC

we know that

In the right triangle ABC of the figure

Applying the Pythagorean Theorem

$AC^2=AB^2+BC^2$

substitute the given values

$AC^2=7^2+10^2$

$AC^2=149\\AC=12.2\ units$

Part 2) Find the measure of angle A

we know that

In the right triangle ABC

$tan(A)=\frac{BC}{AB}$ ----> by TOA (opposite side divided by the adjacent side)

substitute the values

$tan(A)=\frac{10}{7}$

using a calculator

$m\angle A=tan^{-1}(\frac{10}{7})=55^o$

Part 3) Find the measure of angle C

we know that

In the right triangle ABC

$m\angle A+m\angle C=90^o$ ----> by complementary angles

substitute the given value

$55^o+m\angle C=90^o$

$m\angle C=90^o-55^o=35^o$

8 0

3 years ago