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allochka39001 [22]
3 years ago
14

-5 1/4- [7 1/2] fractions btw

Mathematics
1 answer:
Lerok [7]3 years ago
5 0

The answer is - 12 3/4 ( negative twelve and three fourths)

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Clare has 80 pencils and 56 erasers to give away. What is the largest number of group that can formed with the same numbers of p
Leokris [45]

Answer:

56

Step-by-step explanation:

I assume each person in the group must have 1 pencil AND 1 eraser each.

Since you have more pencils than erasers, then the limiting factor is the number of erasers. So a group of 56 people will have 1 pencil And 1 eraser and Clare will have 24 pencils left over (assuming Clare has her own pencil and eraser - if not then the group size is 55 assuming Clare is not in the group)

sorry if it's too confusing

6 0
3 years ago
I don’t feel like typing it out but can you guys help me on this one
lara31 [8.8K]

the answer is 4%

Hope this helps!

3 0
3 years ago
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Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=10
Tju [1.3M]

Answer: 0.8238

Step-by-step explanation:

Given : Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with \mu=106 and \sigma=15.

Let x denotes the scores on a certain intelligence test for children between ages 13 and 15 years.

Then, the proportion of children aged 13 to 15 years old have scores on this test above 92 will be :-

P(x>92)=1-P(x\leq92)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{92-106}{15})\\\\=1-P(z\leq })\\\\=1-P(z\leq-0.93)=1-(1-P(z\leq0.93))\ \ [\because\ P(Z\leq -z)=1-P(Z\leq z)]\\\\=P(z\leq0.93)=0.8238\ \ [\text{By using z-value table.}]

Hence, the proportion of children aged 13 to 15 years old have scores on this test above 92 = 0.8238

4 0
3 years ago
2) Prove that these two lines are parallel:
borishaifa [10]

Answer:

if the two lines have the same slope that means they are parallel

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3 years ago
Circle the statement that are tru as you solve
shepuryov [24]
What statement are you talking about?
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