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Alex787 [66]
3 years ago
7

4. two lines are perpendicular when

Mathematics
2 answers:
Gre4nikov [31]3 years ago
8 0

c c a a are the right answers just took it

docker41 [41]3 years ago
8 0

Answer: A.

for me the answers were

1) C, -3/4, 4/3

2) D, y=3/5x+4 1/5

3) A, parallel

4) A, the product of their slopes is -1

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How do you solve 18x+27=117
Nonamiya [84]

Answer:

x = 5

Step-by-step explanation:

18x = 117 - 27

18x = 90

x = 90/18

x = 5

6 0
3 years ago
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Does the information on the sign represent a proportional relationship
swat32
No it is the right question 

8 0
3 years ago
I NEED AN ANSWER ASAP, THANKS
Naddik [55]
V = 4/3πr^3V = 4/3 (π) (6.5)^3
V = 366.1666π (6 repeat)
answer is 366.16 π (3rd choice)
7 0
4 years ago
Abigail and Bailey wash dogs to make extra money. Abigail can wash all of the dogs in 5 hours. Bailey can wash all the dogs in 3
aleksandr82 [10.1K]

Answer: The correct option is (b) 1\dfrac{7}{8}~\textup{hours}.

Step-by-step explanation:  Given that Abigail and Bailey wash dogs to make extra money. Abigail can wash all of the dogs in 5 hours and Bailey can wash all the dogs in 3 hours.

We are to find the time taken by them if they wash the dogs together.

Abigail can wash the dogs in 5 hours.

So, in 1 hour, the fraction of the dogs Abigail can wash is given by

\dfrac{1}{5}.

Bailey can wash the dogs in 3 hours.

So, in 1 hour, the fraction of the dogs Bailey can wash is given by

\dfrac{1}{3}.

Hence, if they work together, then the fraction of the dogs that they wash in 1 hour is given by

\dfrac{1}{5}+\dfrac{1}{3}=\dfrac{3+5}{15}=\dfrac{8}{15}.

Therefore, the time taken by them to wash the dogs if they work together will be

t=\dfrac{1}{\frac{8}{15}}=\dfrac{15}{8}=1\dfrac{7}{8}~\textup{hours}.

Thus, option (b) is correct.

7 0
3 years ago
Hiroshi found that 3/5 of his class prefers vanilla ice cream, 26% prefers chocolate ice cream, and 0.14 prefers strawberry ice
andre [41]

Answer:

The kind of ice cream the least number of students prefer is Strawberry ice cream.

Step-by-step explanation:

We convert all given values to decimal

Hiroshi found that:

a) For vanilla ice cream

3/5 of his class prefers vanilla ice cream

3/5 to decimal = 0.6

b) For Chocolate ice cream

26% prefers chocolate ice cream

26% to decimal = 0.26

c) For strawberry ice cream

0.14 prefers strawberry ice cream

0.14 = 0.14

Arranging the numbers in order from least to greatest, we have :

0.14, 0.26 , 0.6

The kind of ice cream the least number of students prefer is Strawberry ice cream.

7 0
3 years ago
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