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PilotLPTM [1.2K]
3 years ago
7

The histogram summarises a health score for a group of people. Estimate the fraction of the group who had a score of 45 or more

Mathematics
1 answer:
zepelin [54]3 years ago
5 0

Answer:

shush 1 time

Step-by-step explanation:

by mustakim and thnx for listening

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ILL GIVE BRAINLIEST (EASY STUFF)
insens350 [35]
7 multiplied by 11 is 77. And to get 462, (and based on the given information), we can conclude that it is 3*2*7*11.
3 0
3 years ago
Read 2 more answers
a language arts test is worth 100 points there is a total of 26 questions . there are spelling word questions that ae worth 2 po
natka813 [3]

10 question of spelling words and 16 questions of vocabulary are present

<em><u>Solution:</u></em>

Let "x" be the number of spelling word questions

Let "y" be the number of vocabulary word question

<em><u>There is a total of 26 questions. Therefore, we get</u></em>

number of spelling word questions + number of vocabulary word question = 26

x + y = 26 --------- eqn 1

<em><u>There are spelling word questions that worth 2 points each and vocabulary word question worth 5 points each</u></em>

The language arts test is worth 100 points

Therefore, we frame a equation as:

number of spelling word questions x 2 + number of vocabulary word question x 5 = 100

x \times 2 + y \times 5 = 100

2x + 5y = 100 --------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

From eqn 1,

x = 26 - y ------- eqn 3

<em><u>Substitute eqn 3 in eqn 2</u></em>

2(26 - y) + 5y = 100

52 - 2y + 5y = 100

3y = 100 - 52

3y = 48

<h3>y = 16</h3>

<em><u>Substitute y = 16 in eqn 3</u></em>

x = 26 - 16

<h3>x = 10</h3>

Thus 10 question of spelling words and 16 questions of vocabulary are present

4 0
3 years ago
If a and b are two distinct primes, the ab2 has ___ positive divisors.
Licemer1 [7]

The number ab², where a and b are prime numbers, has 6 divisors.

<h3>How many divisors are for the given expression?</h3>

Remember that any number can be written as a product of primes, for example, 15 can be written as:

15 = 3*5

Where 3 and 5 are primes.

Such that the divisors of 15 are the factors made with the primes on the right side.

So for the number:

N = a*b^2 = a*b*b

The divisors are:

a, b, a*b, b*b

And trivially, itself and 1, so there are a total of 6 divisors.

If you want to learn more about divisors.

brainly.com/question/629998

#SPJ1

7 0
1 year ago
Please help with number 4
Anna35 [415]
Her statue is 20cm because 5ftx12cm is 60ft. therefore the statue should be 60ft in total. 60÷4=20 therefore her drawing is 20cm tall.
7 0
3 years ago
Ms. Colunga bought a new car, which cost him $30,000. Which equation represents how long it will take for the value of the car t
EastWind [94]

Answer:

3.5 years.

Step-by-step explanation:

The formula for depreciation is as follows (I had to look it up too):

worth after time = initial worth * (rate)^t

In this case it depreciates which means that the rate is 1-0.18 = 0.82.

we know it will be worth 15,000,

So substituting would give us

15,000= 30,000(0.82^{t})

now we we need to solve for t, so we will end up with

1/2 = 0.82^t

log (1/2) = t log(0.82)

t = \frac{log(1/2)}{log(0.82)}

Therefore, t is roughly 3.5 years.

Great question, hope this helps.

7 0
3 years ago
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