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2 years ago

Four is no less than the quotient of a number x and 2.1.

Mathematics

1 answer:

g100num [7]2 years ago

3 0

21/x greater than or equal to 4. I think

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What is the area of triangle PQR? Round to the nearest tenth of a square unit.

larisa86 [58]

ANSWER

111.3 square units.

EXPLANATION

The formula for calculating the area of a triangle is.

$Area = \frac{1}{2} \times base \times height$
Let us the side of the triangle with side 12 units to be the base of the triangle.

Then the height of the triangle can be determined from the diagram using trigonometry.

$\sin(68 \degree) = \frac{height}{20 }$

$height = 20 \sin(68 \degree)$

$height = 18.54$

We now plug in the values in to the formula to obtain,

$Area = \frac{1}{2} \times 12 \times 18.54$

$Area = 111.3 \: square \: units$

See graph

7 0

2 years ago

Read 2 more answers

4x + 5y = 3<br>kx + 15y = 9 find k<br>

9966 [12]

Answer:

Step-by-step explanation:

4x + 5y = 3 ................ (i)

kx + 15y = 9................(ii)

Dividing eqn (ii) by 3, we get,

k/3 x + 5y = 3.............(iii)

Subtracting eqn (iii) by eqn (i), we get,

-4x - k/3 x = 0

or, -(4 - k/3 )x = 0

or, 4 - k/3 = 0/x

or, 4 - k/3 = 0

or, 4 = k/3

or, k = 4*3

:. k = 12 (Ans)

6 0

2 years ago

DUE SOON PLEASE HELP

luda_lava [24]

Answer:

106 million tons

Step-by-step explanation:

Plastic takes up 24%, metal 8%, and 'other trash' 21%. Add those up and you get that those three take up a total of 53%. Now multiply 200 by 53% and you have 106 million tons.

4 0

2 years ago

Julian school is selling tickets for a play the tickets cost $10.50 for adults and $3.75 for students the ticket sales for openi

Alik [6]

168 attended the night

5 0

1 year ago

What do you add to 5 5/7 to make 9

Arte-miy333 [17]

Answer:

3.28571428571

Step-by-step explanation:

Make Sure you round however your teach wants you too.

8 0

2 years ago