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3 years ago

How can you find 75% of any number?

Mathematics

2 answers:

Elena-2011 [213]3 years ago

8 0

Answer:

Multiply the number you want to find 75% of by 0.75

Step-by-step explanation:

Aleks04 [339]3 years ago

5 0

Answer:

Step-by-step explanation:

Multiply it by 0.75, or find 3/4 of that number. Whichever you prefer! The first one always works though the second one sometimes does but sometimes 3/4 of the number isn't that obvious.

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Please help. Jacob sells homemade skateboard decks for a profit of $27 per deck. He is considering switching to a new type of ma

nordsb [41]

Answer:

Step-by-step explanation:

32-27 = 5

because he was earning 27 per skate board, that function shows him earning 32 per skate board which is an increase of $5.

6 0

3 years ago

20.Solve the triangle: b = 100, c = 100, y = 70". If it is not possible, say so.This triangle is not solvable.Q = 40", a = 68.4,

saveliy_v [14]

Answer:

$\begin{gathered} \alpha=\text{ 40\degree} \\ \beta=\text{ 70\degree} \\ a=68.4 \end{gathered}$

Step-by-step explanation:

By the theorem of intern angles of a triangle, we know that the sum of all intern angles of a triangle must be 180°, therefore:

*There are two equal angles because there are two equal sides

$\begin{gathered} \alpha=180-70-70 \\ \alpha=\text{ 40\degree} \\ \beta=\text{ 70\degree} \end{gathered}$

Now, applying the law of sines, we can find side a. The law of sines is represented by the following equation:

$\frac{a}{\sin \alpha}=\frac{b}{\sin \beta}$

Hence, if b=100, alpha=40° and betha=70°, solve for a:

$\begin{gathered} \frac{a}{\sin (40)}=\frac{100}{\sin (70)} \\ a=\frac{100\cdot\sin (40)}{\sin (70)} \\ a=\text{ 68.4} \end{gathered}$

7 0

1 year ago

3) Find “?” 89 A) 91° C) 136° B) 105° D) 100°

Andre45 [30]

Answer:

Step-by-step explanation:

Reason 1: 180 - 89 = 91

Reason 2: It's close to 90 degrees

Hope that helps!

4 0

3 years ago

Read 2 more answers

What is the answer for 13x + 8x=

avanturin [10]

13x + 8x = 21x

Hope this helps you

-AaronWiseIsBae

8 0

4 years ago

12 one third minus 6 9/10

masya89 [10]

$12\dfrac{1}{3}-6\dfrac{9}{10}=12\dfrac{10}{30}-6\dfrac{27}{30}=6+\left(-\dfrac{17}{30}\right)=5\dfrac{13}{30}$

4 0

4 years ago