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BARSIC [14]
3 years ago
6

PLEASE HELP ME!!!

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
7 0
1) 3x=(4x+50-30)/2
x=10

Explanation: (1/2)(big arc - small arc), plug in the numbers and solve

2) 15•x=33•10
x=22

Explanation: a•b=c•d, plug in the numbers and solve

3) (x+8)•8=(24+4)•4
x=6

Explanation: W•E=W•E, whole•external part= whole•external, plug in the numbers and solve
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If a tuning fork vibrates at 120 times per second, how long does it take for 1 vibration?​
SVEN [57.7K]

Answer:

120÷1

Step-by-step explanation:

it would be 120 milla secounds

5 0
2 years ago
Which of the following statements are false?
VikaD [51]

well, a and d are true, and b is somewhat false...

angles that are both less than 90 degrees and higher than 0 have to add up to equal 90, not just be less than 90

c, is the same thing. Straight angles are 180 degrees, but supplementary means two angles add up to equal 180 degrees, not just one

so b and c may be true, im not sure

i know that a and d are true, therefore they are not the right answer


7 0
3 years ago
Read 2 more answers
A minivan can hold up it 7 people. How much minivan would it take to fit 45 people
iVinArrow [24]

Answer:

6.42857143 so you can just say 7

Step-by-step explanation:

45/7 = 6.42857143

3 0
2 years ago
Andy wrote the following statement:
olasank [31]
I believe it would be B. Because, an isoceles triangle is a triangle with 2 equal sides and 1 is not equal ... SO, more than one triangle could be drawn from this information. Because, 55 could be the uneven side for many triangles. So, B.  Andy is incorrect, because more than one triangle can be drawn from the given info. :)

<u><em>B.</em></u><em /> Hope it helps!!! :)<em /><em />
3 0
3 years ago
Read 2 more answers
Given the function w(x)=2x²+5x, find w(2)
vivado [14]

\text{Put}\ x=2\ \text{to the equation of the function}\ w(x)=2x^2+5x:\\\\w(2)=2(2^2)+5(2)=2(4)+10=8+10=18\\\\Answer:\ \boxed{w(2)=18}

5 0
2 years ago
Read 2 more answers
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