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kompoz [17]
3 years ago
6

Can somone help me please!!!

Mathematics
1 answer:
Doss [256]3 years ago
5 0

Answer:

7. D. 130² ft.

8. She can feed 6 friends.

9. There are 7 trees in each row.

10. B. 490.

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Suma a trei numere este 130. Stiind ca ele sunt invers proportionale cu numerele 2,3,4 aflati numerele
garik1379 [7]
A+b+c=130 a,b,c  ip  cu 2,3,4 2a=3b=4c=k a=k/2 b=k/3 c=k/4 k/2 + k/3+ k/4= 130  aducem la acelasi numitor (12) 6k+4k+3k=1560 13k=1560 k=120 a=120/2=60 b=120/3=40 c=120/4=30
6 0
3 years ago
Read 2 more answers
Determine the relationship between the two triangles and whether or not they ca
AnnZ [28]

Answer:

They are congruent.

Step-by-step explanation:

The have the same side length,  as shown by the marking on the side next to the double marked angle and across from single marked angle. They have the same angle measures located in the same places as well. They are congruent as proven by shape, angle measures, and side length.

4 0
2 years ago
n a group of 40 people, 10 people are healthy. The 30 unhealthy people have either high blood pressure, high cholesterol, or bot
aalyn [17]

Answer:

If a person is randomly selected from this group, the probability that they have both high blood pressure and high cholesterol is P=0.25.

Step-by-step explanation:

We can calculate the number of people from the sample that has both high blood pressure (HBP) and high cholesterol (HC) using this identity:

N(\text{HBP or HC})=N(\text{HBP})+N(\text{HC})-N(\text{HBP and HC})\\\\\\ N(\text{HBP and HC})=N(\text{HBP})+N(\text{HC})-N(\text{HBP or HC})\\\\\\ N(\text{HBP and HC})=15+25-30=10

We can calculate the probability that a random person has both high blood pressure and high cholesterol as:

P(\text{HBP and HC})=\dfrac{10}{40}=0.25

3 0
3 years ago
Please help!!
Rama09 [41]
The associative property of addition is pretty much just any numbers in place of these: a + (b + c) = (a + b) + c. Therefore, your answer would be d) (6 + 1) + 9 = 6 + (1 + 9)
6 0
3 years ago
PLS HURRY!!!
Olin [163]

Answer:

Step-by-step explanation:

if A = 1 2 b then it comes to h

7 0
3 years ago
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