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3 years ago

Which two-dimensional shape could be created by

Mathematics

2 answers:

Arlecino [84]3 years ago

7 0

Trapezoid and triangle

Temka [501]3 years ago

5 0

Answer:

It’s a triangle.

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The sales tax on a one-half-carat diamond ring is $76. Find the purchase price of the ring (before tax) of the sales tax rate is

NISA [10]

So.. hmmm if we take "x" to be the 100% sale price before tax, $76 is really 9.5% of that

thus $\bf \begin{array}{ccllll}
amount&\%\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
76&9.5\\
x&100
\end{array}\implies \cfrac{76}{x}=\cfrac{9.5}{100}$

solve for "x"

8 0

3 years ago

If 12 men earn $810 in 10 days how much will 14 men earn in 8 days, if the daily wage is the same for each man

kogti [31]

1 man earns 810 / 12 = $67.5 in 10 days
by proportion 1 man will earn 0.8 * 67.5 = $54 in 8 days

So 14 men will earn 54 * 14 = $756 in 8 days.

5 0

3 years ago

your team wins 18 medals at a track meet the medals are gold silver and bronze in ratio of 2;2;5. how many of each medal were wo

WITCHER [35]

The team won 4 gold medals, 4 silver medals and 10 bronze medals.

Step-by-step explanation:

Given,

Total medals won = 18

Ratio of gold, silver and bronze = 2:2:5

Let,

x be the original number.

Therefore,

Gold medals = 2x

Silver medals = 2x

Bronze medals = 5x

According to given statement;

$2x+2x+5x=18\\9x=18$

Dividing both sides by 9

$\frac{9x}{9}=\frac{18}{9}\\x=2$

Gold medals = 2x = 2(2) = 4

Silver medals = 2x = 2(2) = 4

Bronze medals = 5x = 5(2) = 10

The team won 4 gold medals, 4 silver medals and 10 bronze medals.

Keywords: ratio, division

Learn more about division at:

#LearnwithBrainly

8 0

3 years ago

What is the product of (-3s+2t(4s-t)

galben [10]

Use the FOLD method
(a+b)(c+d)=ac+ad+bc+bd

−12s^2 + 3st + 8ts − 2t^2

Collect like terms
-12{s}^{2}+(3st+8st)-2{t}^{2}

Simplify
-12{s}^{2}+11st-2{t}^{2}−12s2+11st−2t2

The answer is = -12s^2 + 11st - 2t^2

5 0

3 years ago

3(12-8)/2*5-4 simplify or evaluate the following expressions

vekshin1

Answer:

Step-by-step explanation:

12-8=4

3(4)=12

12/2=6

6*5=30

30-4

4 0

3 years ago