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Hunter-Best [27]
3 years ago
11

Virgo characteristics

Mathematics
1 answer:
Delvig [45]3 years ago
3 0
Thank you :)
can you mark me brainliest if possible, i’m like really desperate hahah thanks in advance
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Ice cream cost $4.96 for 4 litres how much for 6 litres
aivan3 [116]

Answer:

$7.44

Step-by-step explanation:

$4.96/ 2= 2.48

$2.48 X 3 = 7.44

6 0
3 years ago
Read 2 more answers
A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red
mamaluj [8]

Let red marbles = X.

The probability is 1 out of 5, written as 1/5

1/5 in terms of red marbles is equal to the number of red marbles divided by 5x, where 5x is the total number of marbles.

1/5 = x/5x 

Now you have 5x total marbles, x red and 4x blue. 

Add 5 more red and the new probability is: 

(x+5)/(5x+5) = 1/3 

Simplify:

3x+15 = 5x+5 

Now solve for x:

Subtract 3x from both sides:

15 = 2x +5

Subtract 5 from each side:

2x = 10 

Divide both sides by 2:

x = 10/2

X = 5

There were originally 5 red marbles.

5 0
3 years ago
Sandra is making decorations for the school dance out of construction paper. Each decoration uses 223 2 2 3 sheets of paper. San
scoundrel [369]

Answer:

Step-by-step explanation:

CACA POOP

7 0
3 years ago
Are the ratios 2:3 and 1:2 equivalent??
Mila [183]

Answer:

No coz 2:3 is 2+3=5

1:2 is 1+2=3 so they are not equivalent.

6 0
2 years ago
A set of mathematics exam scores are normally distributed with a mean of 80.280.280, point, 2 points and a standard deviation of
hichkok12 [17]

Answer:

0.3745

Step-by-step explanation:

Data

mean (\mu): 80

standard deviation (\sigma): 4

Normal distribution table is in figure attached .

Z = \frac{x - \mu}{\sigma
}

Z = (85 - 80)/4 = 1.25

Area below curve = 0.3944

Z = (82 - 80)/4 = 0.5

Area below curve = 0.0199

Proportion of exam scores between 82 and 85?

0.3944 - 0.0199 = 0.3745

5 0
3 years ago
Read 2 more answers
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