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Ilya [14]
3 years ago
14

A rhombus shaped fountain has diagonals that measure 8.4 meters and 10.2 meters. What is the area of the rhombus?

Mathematics
1 answer:
pantera1 [17]3 years ago
6 0
The answer is 85.68 squared
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Find the original price of a salt lamp that is $84 after a 25% discount.
iren [92.7K]

Answer:

Step-by-step explanation:

to find the original price we will divide the known price by (1-discount)

original price= 84/(1-0.25)=84/0.75=112.00

the lamp was 112

5 0
2 years ago
Read 2 more answers
The three angles of a triangle measure 2x – 6, 3x + 5, and 2x + 20. What is the measure of the smallest angle in degrees
Radda [10]

Answer:

Smallest angle = 40

Step-by-step explanation:

Angle sum property:Sum of all three angles of triangle is 180

2x - 6 + 3x + 5 + 2x + 20 = 180   {Combine like terms}

2x + 3x + 2x - 6 + 5 + 20 = 180

                     7x  + 19       = 180            {Subtract 19 from both sides}

                                  7x = 180 - 19

                                  7x = 161               {Divide both sides by 7}

                                    x = 161/7

x = 23

2x - 6 = 2*23 - 6 = 46 - 6 = 40

3x + 5 = 3*23 + 5 = 69 + 5 = 74

2x + 20 = 2*23 + 20 = 46 + 20 = 66

Smallest angle = 40

8 0
3 years ago
Let f(x) = 3x - 10. Find the value of f(-3).
laiz [17]
Easy, sub -3 for x
f(-3)=3(-3)-10
f(-3)=-9-10
f(-3)=-19

the value of f(-3) is -19
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2.17720 × 10^2 is the answer

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