4 years ago

How to calculate percent error with uncertainty?

Mathematics

1 answer:

ElenaW [278]4 years ago

8 0

Put the percent in the right spot

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El Generico public high school got a new flagpole. But they completely forgot to buy a cord and NO ONE knows how tall the flagpo

lord [1]

According to the rule of similar polygons the ratio of corresponding sides of two polygons will be the same. So in this case the ratio of original length and shadow of a stick and ratio of length of flagpole and its shadow will be the same.

Length of Stick = 5 feet
Shadow of Stick = 8 feet
Shadow of flagpole = 32 feet
Length of flagpole = x = ?

Using rule of similar polygon we can write,

$\frac{5}{8}= \frac{x}{32} \\ \\ \frac{5}{8}*32=x \\ \\ x=20$

Therefore, the length of flagpole will be 20 feet.

7 0

4 years ago

Pls helpPlsplsplsplspls

Vedmedyk [2.9K]

Answer:

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4 0

3 years ago

Which number is larger 2.5 or the absolute value of 2.5

11111nata11111 [884]

Answer:

they are both =

Step-by-step explanation:

it's the same number

6 0

3 years ago

Read 2 more answers

The graph of ƒ(x) = -√x is shifted to the right five units. The domain of the function represented by this graph is x ≥>≤<

Mars2501 [29]

Answer:

Domain = [5,∞)

Step-by-step explanation:

Given: $f(x)=-\sqrt{x}$

We are given that f(x) is shifted right by 5 units.

Rule : f(x)→f(x-b)

The graph f(x) shifted b units right

So, using rule : $-\sqrt{x}$ → $-\sqrt{x-5}$

So, $g(x)=-\sqrt{x-5}$

Now to find domain:

$x-5>0$

$x>5$

So, Domain = [5,∞).

8 0

3 years ago

How do you solve: secx=-5/2, tanx<0<br><br> Find all six trig functions

Brut [27]

Answer:

sec theta = (sqrt24/5) cos theta = -2/5 tan theta = (-[sqrt 21]/2) sec theta = 5/2 csc theta = (5sqrt21)/21 cot theta = (-2sqrt21)/21

Step-by-step explanation:

During the problem, secx = -5/2, we can assume that as cos = -2/5. -2 = x. 5 = r. find for Y with: x^2+y^2=r^2. After that, plug in for the variables and you get all the answers. Rationalize the square roots, don't forget.

5 0

3 years ago