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3 years ago

Write this number in standard form. 1 x 1 + 8 x 1/100 + 9 x 1/1000,

Mathematics

2 answers:

Mariana [72]3 years ago

6 0

The answer is 1.089.

Mumz [18]3 years ago

6 0

<span>solution: 1 x 1 + 8 x 1/100 + 9 x 1/1000 As per the rule of order of operations i.e. division, multiplication , addition and subtraction, it will become: = 1 x 1 + 8 x 0.01 + 9 x 0.001 = 1 + 0.08 + 0.009 = 1.08 + 0.009 = 1.089 Answer will be 1.089</span>

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To find the height of a pole, a surveyor moves 180 feet away from the base of the pole and then, with his eyes (4 feet above the

Anika [276]

Answer:

177.82397947 ft

Step-by-step explanation:

to find height of of the pole:

tan(44 degrees)=x/180

add the height of the person

x=(180tan(44 degrees) )+4

x=177.82397947 ft

now, round to what point you need to

6 0

3 years ago

What is the volume of a pyramid whose base is a square of area 36 and whose four faces are equilateral triangles?

irina1246 [14]

Answer:

$V = 36\sqrt{2}$

Step-by-step explanation:

The volume of a pyramid is

$V = \dfrac{1}{3}Bh$

where B = area of the base, and h = height of the pyramid

The base is a square.

$A = s^2$

$s = \sqrt{A}$

$s = \sqrt{36}$

$s = 6$

The side of the base has length 6. Each face of the pyramid is an equilateral triangle with side of length 6.

An altitude of this triangle measures

$a = \sqrt{6^2 - 3^2}$

$a = \sqrt{27}$

The pyramid is formed by 4 equilateral triangles whose bases form a square. The tips of the faces meet at a single point on top. The vertical distance from that point to the center of the base is the height of the pyramid.

$h = \sqrt{(\sqrt{27})^2 - 3^2 }$

$h = \sqrt{27 - 9}$

$h = \sqrt{18}$

$h = 3 \sqrt{2}$

Volume of the pyramid:

$V = \dfrac{1}{3}Bh$

$V = \dfrac{1}{3}(36)(3\sqrt{2})$

$V = 36\sqrt{2}$

5 0

4 years ago

Need help with this..

Marina86 [1]

Answer:

Step-by-step explanation:

1st step is 2c really will be 2 * 4 = 8

2nd step is ab really will be 3*5= 15

3rd step is 3d really will be 3* 2= 6

so your answer will be 17

8 0

3 years ago

Read 2 more answers

EXPERTSSSS HELP (q.5)

malfutka [58]

Answer:

Step-by-step explanation:

We are given the equation: x=4. So, the expression turns into 1^4+2^4. 1^4=1*1*1*1, which is 1. 2^4=2*2*2*2, which is 16. Finally, 1+16 is 17, and thus we get the answer 17.

4 0

3 years ago

Please help, I will give good rating and brainliest of possible!!<br> Thank you!!!!!!!!

Leya [2.2K]

Answer:

$g(x)=x+8$

Step-by-step explanation:

Translating a function up is very simple, all you need to do here is add 8.

If you want to think of it logically,

$f(x)=x$

the whole right side of the function here can be our output. If x is 8, then the output, or height, is also 8. if you wanted to translate that up to 10, you'd simply need to add 2 to it, meaning $x+2$ . Then, at any given point on the function, it'd be 2 higher than it would be otherwise.

3 0

2 years ago