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Natalija [7]
3 years ago
10

Please help thank you

Mathematics
2 answers:
LekaFEV [45]3 years ago
7 0
The answer is 8.
All you have to do is count the dots on each number larger than 4. There are 6 children five years old, 1 child eight years old, and 1 child 9 years old. 6+1+1=8 and there's your answer. 
xxTIMURxx [149]3 years ago
4 0
Count how many plots are greater than 4, which in this case, is 8 children.
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I’m not sure how to do this please help
Nikolay [14]

Answer:

B :step 2   she didnt collect all the like terms and calculate

Step-by-step explanation:

first rewrite  remove all (  )Parentheses

2nd   collect all like terms and calculate

a^4 + 7a -16 -12^a^3 + 5a -3

a^4 + 12a - 19 - 12a^3     ( Like terms are 7a +5a  and -16 +-3)

so she skipped the second step

3 0
3 years ago
Explain how the value of the 7 in 327,902 will change if you move it to the tens place
-BARSIC- [3]
The tens place will be where the zero is which the value would be 70 since the 7 is in the thousand place the value is 7,000
7 0
3 years ago
3 Prove that<br>cos130°+cos 110+ cos10=0​
Evgesh-ka [11]

We know, cos A + cos B = 2cos(C+D)/2 × cos(C - D)/2

So,

cos 130 + cos 110 + cos 10

cos 130 + 2cos (110+10)/2 × cos( 110-10)/2

cos 130 + 2cos 60 × cos 50

cos ( 180 - 50 ) + 2cos60 cos 50

We know, cos ( 180 - A ) = -cos A

2cos 60 cos 50 - cos 50

Also, cos 60 = 0.5

2×0.5 cos 50 - cos50

cos 50 - cos 50

0  = RHS.

Hence proved

5 0
3 years ago
Please Explain This Function out for me :) <br> f(s) =10 (s-65)+75
netineya [11]
<span>most of the time it saids that s= a number.</span>
4 0
3 years ago
Read 2 more answers
Weight of three boys is 25 kg 28 kg and 31 kg respectively. Find the average weight of the boys.
melamori03 [73]

Answer:

C)

Step-by-step explanation:

Find the total sum

25+28= 53

53+31=84

Fimd the average by dividing by 3

84/3= 28

Hence, the answer is c

4 0
3 years ago
Read 2 more answers
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