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Ivahew [28]
3 years ago
5

Please help I don't understand this thank you

Mathematics
1 answer:
VikaD [51]3 years ago
6 0
Angle QPS is an inscribed angle.  Arc QS is the intercepted arc of that angle.  The rule is that the intercepted arc is twice its angle measure.  P measures 20 degrees, so arc QS measures 40 degrees.  It just so happens that angle QTS is ALSO an inscribed angle intercepting arc QS.  So angle QTS measures the same as angle P, 20 degrees.  That's a.  For b., we already stated the rule and figured out that minor arc QS is 40 degrees.  For c., major arc QTS is 360 (the measure around the outside of a circle...EVERY circle in the world) minus the minor arc of 40.  So major arc QTS measures 360 - 40 which is 320 degrees.  There you go!
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3. Find to the nearest thousandth: log7 80
enot [183]

Answer:

I believe 1000

Step-by-step explanation:

6 0
3 years ago
2. If f(x) = 2X^2 + 3X Find f(-5)
IgorLugansk [536]

Answer:

35

Step-by-step explanation:

2(-5)^2+3(-5)

=2(25)+(-15)

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4 0
2 years ago
Plz help ill give you brainlist plz
vekshin1
Simple you get the area of the inner rectangle, then the area of the 2 semi circles then add them.
First, you need to notice that the diameter of each circle is same as the side of the rectangle (46m), also not that the 2 semi circles will make a complete one circle with radius (46/2)
so now we are left with the area of the rectangle+the area of a circle with radius of 32m
The total area= (46*92)+(3.14*(32^2))= 7447.36m^2
and to keep you significant figures the answer is rounded to 3 digits, so the final answer will be 745m^2.
Hope this helps, thanks.
3 0
3 years ago
Amy said 4/9 of her teammates got hits during a recent softball game. Which decimal represents this same amount?
trapecia [35]

Answer:

.....Your answer is D

...

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6 0
3 years ago
Please help. Thank you
Inessa [10]

Given:

PQRS\sim TUVW

In the given figure, PS=x, RS=35, UV=20, VW=25 and TW=15

To find:

The scale factor from PQRS to TUVW.

Solution:

We have,

PQRS\sim TUVW

We know that the corresponding sides of similar figures are proportional. The scale factor is the ratio of one side of image and corresponding side of preimage.

The scale factor is:

k=\dfrac{VW}{RS}

k=\dfrac{25}{35}

k=\dfrac{5}{7}

Therefore, the scale factor from PQRS to TUVW is k=\dfrac{5}{7}.

6 0
3 years ago
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