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3 years ago

So I've been working on this for a few days and I just can't seem to understand it? Can someone help?

Mathematics

1 answer:

fgiga [73]3 years ago

4 0

All you do is fill in y and x for an example

y= 2 so solve for x to find that coordinante

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Find x, round to the nearest tenth degree.

Romashka [77]

Answer:

Step-by-step explanation:

Use the Law of Cosines

A = arccos[(10²+14²-9.6²)/(2×10×14) ≅ 43.3°

5 0

3 years ago

What is (1.7x10^4)x(8.5x10^-2) in standard form

Temka [501]

Answer:

1.445 × 10³

Step-by-step explanation:

Standard form is a way of writing a small number or a large number easily.

We should give the final answer in standard form.

1) (1.7 × 10⁴) × (8.5 × 10⁻²)

We enter this directly into the calculator to obtain a solution.

= 1445

We write this in standard form we have :

1.445 × 10³

4 0

3 years ago

Read 2 more answers

A pillar is 15 m high the diameter is 84 cm what is the surface area

NARA [144]

Answer:

1416 cm

Step-by-step explanation:

Use calcutor shows everthinh

3 0

2 years ago

Pls help I don't understand the question

barxatty [35]

Answer:

Answers B I think.

Step-by-step explanation:

I assume t is time so the variable would equal the time it hit the floor

3 0

3 years ago

Please help the distance formula

Alexxandr [17]

Answer:

7.8

Step-by-step explanation:

distance formula : $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

where the x and y values are derived from the given points

here the given points are (11,3) and (6,9)

<u>assigning variables</u>

(x1,y1) = (11,3) so x1 = 11 and y1 = 3

(x2,y2) = (6,9) so x2 = 6 and y2 = 9

<u>plugging in values into formula</u>

recall formula $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

==> plug in x1 = 11 , y1 = 3 , x2 = 6 and y2 = 9

$d=\sqrt{(6-11)^2+(9-3)^2}$

==> subtract values in parenthesis

$d=\sqrt{(-5)^2+(6)^2}$

==> evaluate exponents

$d=\sqrt{25+36}$

==> add 25 and 36

$d=\sqrt{61}=7.8$ ( approximately )

8 0

2 years ago