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juin [17]
3 years ago
10

Need Help please !!

Mathematics
1 answer:
cupoosta [38]3 years ago
3 0

Answer:

b=122

a = c = 58

d = f =122

g = e =58

Step-by-step explanation:

These are from some basic fomulas

You can check them again

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suppose that a biologist is watching a trail known for wildebeest migration. During the first minute, 24 wildebeests migrated pa
Monica [59]

Answer:

=1050 wildebeests

Step-by-step explanation:

We can form an arithmetic series for the wildebeest migration.

Sₙ=n/2(2a+(n-1)d) where  n is the number of terms, d is the common difference and a is the first term.

a=24

n=20

d=3

Sₙ=(20/2)(2(24)+(20-1)3)

Sₙ=10(48+57)

=1050 wildebeests

6 0
4 years ago
A room has 9 tables with 6 chairs each and 7 tables
Scilla [17]

Answer:

110 chairs.

Step-by-step explanation:

(9x6) +  (8x7)    First multiply 9x6 and 8x7.

(54) + (56)    In the first parenthesis, we have 9 tables with 6 chairs each. We are going to add that to the second parenthesis with 7 tables and 8 chairs each.

= 110    There are 110 chairs.

7 0
3 years ago
Solve the inequality. 6(b – 4) > 30 b > 34 b > 5 b 9
sp2606 [1]

Answer:

b > 9

Step-by-step explanation:

6(b – 4) > 30

Divide each side by 6

6/6(b – 4) > 30/6

b-4 > 5

Add 4 to each side

b-4+4 > 5+4

b > 9

7 0
3 years ago
Read 2 more answers
Researchers wanted to determine if having a supply of sugary snacks in the bedroom is associated with obesity. The researchers a
I am Lyosha [343]

Answer:

c)

Step-by-step explanation:

The definition of an observational study is: one where researchers observe the effect of a risk factor or an intervention but they do not try to change who is exposed to the factor.

In this particular example, the researchers administered a questionnaire to 391 twelve-year-old and concluded that the body mass index of the adolescents who had a supply of sugary snacks in their bedroom was significantly higher than that of the adolescents who did not have a supply of sugary snacks in their bedroom.

This is not an observational study because the researchers actually administered a questionnaire and analyzed the results. To be an observational study the individuals would have been observed without any intervention (the questionnaire could have had an effect on the adolescents changing their habits)

7 0
3 years ago
What is the distance between (-3, 5) and (-3,-4)?​
CaHeK987 [17]

Answer:

9 units

Step-by-step explanation:

the distance from 5 and -4 is 9

5(to)0= 5    -4(to)0=4    5+4=9

not a very good explanation but hope it helps

5 0
3 years ago
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