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igomit [66]
3 years ago
11

A certain triangle has a 30 angle triangle and a 60 angle. which must be true statement

Mathematics
1 answer:
ollegr [7]3 years ago
8 0
It's a 30-60-90 type of triangle
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You spin the spinner and flip a coin. Find the probability of the compound event. The probability of spinning a prime number and
elixir [45]
The probability of spinning a prime number and not flipping heads will be given as follows:
P(Prime)*P(Tails)
P(Prime)=3/5
P(Tails)=1/2
Thus
P(Prime) and P(Tails)
=3/5×1/2
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3 0
3 years ago
Read 2 more answers
The average height of a family of five is 150 cm. If the height of 4 family members is 153, 150, 151, and 152, find the height o
Lady bird [3.3K]
J can find the height of the fifth member on this way
S=150
S1=153
S2=150
S3=151
S4=152
S5=?
S= (s1+s2+s3+s4+s5)/5:
5*150= <span>153+150+151+152+S5
S5=5*150-606=750-606=144
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5 0
3 years ago
3/7 of the people living in the apartment building are men. 5/8 of the remaining are women. The rest are children. A total of 27
Vladimir [108]
People in building ---- x (men, women and children)
children --- y
men + women + children = x
(3/7)x + (5/8)(4/7)x + y = x
3x/7 + 5x/14 + y = x
times 14
6x + 5x + 14y = 14x
14y = 3x

y + 220 =x
sub into the other one
14y = 3(y+220)
11y = 660
y = 60
then 14(60) = 3x ---> x = 280

So we have 280 people in the building.

check: 3/7 of 280 are men = 120
leaving 160 women and children
5/8 of these ot 100 are women

so we have 120 men, 100 women and 60 children!

hope this is right! have a great. day
7 0
3 years ago
to meet increased demand, world food production must rise 50% by 2030. write this percentage as a fraction in simplest form.
Leya [2.2K]
It would be 1/2 because that is the fraction of 50<span>% 

</span>
4 0
3 years ago
Fill in the table using this function rule.<br> y=14-2x
Mamont248 [21]

Answer:

when x is:

1; y = 12

2; y = 10

5; y = 4

6; y = 2

Step-by-step explanation:

Substitute each value of x to obtain respective y values

3 0
3 years ago
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