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labwork [276]
3 years ago
6

Help and i will give brainiest if you answer them all if random will report

Mathematics
2 answers:
Stels [109]3 years ago
6 0

Answer:

first one is a and the second one is c

Vsevolod [243]3 years ago
3 0
1- a-4b
2- communicative property
3- associative property
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What is 9b minus 3 over 9 equals 5b plus 5 over 3
Flura [38]
You reduce the fraction which would be 9b-1/3=5b+ 5/3
Then you move the variable to the left side and change its sign 9b-5b-1/3=5/3 then move the constant to the right side 9b-5b=5/3+1/3
Then collect the terms 4b= 5/3 + 1/3 add the fractions 4b = 2
Divide both sides of the equation which is b= 1/2
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3 years ago
It took Jahina 6 minutes to drive 21 laps. How many laps per minute did she run? Show your
Genrish500 [490]
21/6=3.5
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3 years ago
Help please, will mark brainliest ​
mario62 [17]

Answer:

Step-by-step explanation:

LET ORANGES=X

PEARS ARE 3 TIMES =3X

LET CHILDREN=Y

IF WE GIVE 5 ORANGES PER CHILD WE NEED 5Y ORANGES.SO THIS =X

X=5Y........................I

IF WE GIVE 8 PEARS PER CHILD WE NEED 8Y PERARS...THERE ARE STILL 21 PEARS LEFT OUT AFTER THIS THAT IS

8Y+21=3X....................II

SUBSTITUTING FOR X FROM EQN.I..

8Y+21=3*5Y

15Y-8Y=21

7Y=21

Y=3

X==5Y=5*3=15..

SO CHILDREN =3

ORANGES=15

PEARS=3*15=45

THANKYOU AND PLEASE AMRK IT BRAINLIEST

8 0
3 years ago
Can someone tell me What is 10% of 20
Andrej [43]

Answer:

2

Step-by-step explanation:

skskskskskskkskskskskskskksksks

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3 years ago
If a point is randomly selected from the rectangular area of the graph, what is the probability that it will be in the speckled
bogdanovich [222]

Answer:

b

Step-by-step explanation:

mark me brainiest

7 0
3 years ago
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