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Sav [38]
2 years ago
6

Work out

Mathematics
1 answer:
KatRina [158]2 years ago
6 0

Answer:

- 1.02 \times 10 {}^{2}

Step by step:

Use bidmass to work out the brackets

(2×108) = 216

(3×106) =318

216-318=-102

Then put into standard form.

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Este plzzz.
Yuki888 [10]

Answer:

La superficie es 194.94cm cuadrados

Step-by-step explanation:

¡Espero que esto ayude!

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3 0
2 years ago
Answer if u know both plzz help
NARA [144]
4) Answer is D.
Irrational numbers cannot be classified as rational numbers

5) Answer is B.
Every irrational number is a real number
4 0
3 years ago
Enter number as an integer or decimal.
Strike441 [17]

Answer:

x

Step-by-step explanation:

30-4x>6x-10

Adding 10 to both sides.

10+30-4x>6x-10+10

40-4x>6x

Adding 4x to both sides.

4x+40-4x>6x+4x

40>10x

Dividing both sides by 10.

\frac{40}{10}>\frac{10x}{10}

4>x

∴ x

3 0
3 years ago
Help me please. if you need anymore information then ask.
oee [108]
45
50
You have to add 25 for each one so you get the answer
6 0
3 years ago
Read 2 more answers
While visiting Wallawulla State​ Park, Joe approximated the angle of elevation to the top of a mound to be 40 degrees . After wa
katen-ka-za [31]

Answer:

Height of mound = 794 ft

Step-by-step explanation:

To illustrate the angle of elevation and distance, i have drawn it and attached below.

Now, from my diagram;

h = the height of the mound

At his first point of his trip to the foot of the mound, the angle of elevation is 40°, while the horizontal distance to the foot of the mound is "X"

So, by triangle definition,

tan(40°) = h/x

And so;

h = x tan40

h = 0.8391x  - - - - (eq 1)

At his second point of the trip to the foot of the mound, Joe is now,

"(x - 450) ft" from the foot of the mound.

Thus, his angle of elevation is 40 + 18 = 58°.

So, by triangle definition,

tan(58°) = h/(x - 450)

h = (x - 450)•(tan(58°))

h = 1.6003(x - 450)

h = 1.6003x - 720.135   - - - - -(eq2)

To get the height(h) of the mound, let's equate (eq1) to (eq2).

0.8391x = 1.6003x - 720.135

1.6003x - 0.8391x = 720.135

0.7612x = 720.135

x = 720.135/0.7612

x = 946.0523 ft

Let's put this value for x in eq (1);

h = 0.8391 x 946.0523 = 793.83 ft ≈ 794ft

4 0
3 years ago
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