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LekaFEV [45]
3 years ago
6

3/5 Give the equivalent numerator if the denominator is 80. 16 O 48 O 3

Mathematics
2 answers:
Misha Larkins [42]3 years ago
7 0

Answer:

48

Step-by-step explanation:

3/5=x/80

cross multiply

5x=240

x=48

VikaD [51]3 years ago
6 0

Answer:

The answer is 48

Step-by-step explanation:

first we need to see 5 multiplied by what equals 80 we can use 80 dived by 5 to find this out it is 16 so 5 x 16 as we know what we do to the bottom must be done to the top 3 x 16 = 48 I hope this helps answer your question and help you understand

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For her 1st birthday, Ruth's grandparents invested $1000 in an 18-year certificate for her that pays 10% compounded annually. Ho
Lyrx [107]

Answer:

The certificate will be worth $5,559.92 on Ruth's 19th birthday.

Step-by-step explanation:

The compound interest formula is given by:

A = P(1 + \frac{r}{n})^{nt}

Where A is the amount of money, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit t and t is the time the money is invested or borrowed for.

In this problem, we have that:

P = 1000, n = 1, r = 0.1, t = 18

So

A = 1000(1 + \frac{0.1}{1})^{1*18}

A = 5559.92

The certificate will be worth $5,559.92 on Ruth's 19th birthday.

7 0
3 years ago
24 is what percent of 50?
maria [59]

Answer:

48%

Step-by-step explanation:

Use Is/Of

8 0
3 years ago
Read 2 more answers
Please help on these two​
jeyben [28]

Answer:

For your first problem you want to see what all the sides would equal

You would have to combine them all into one big equation

5x-7+3x+1+4x=30 (now you want to combine like terms)

12x-7+1=30 (combined the x's together)

12x-6=30 (added -7 and 1)

12x=36 (added 6 to each side)

x=3 (divided 12 to each side)

Now you wanna plug 4 in for x for each side to find out the largest to smallest

AB=5(3)-7= 8

BC=3(3)+1= 10

AC=4(3)= 12

So in order from smallest to largest would be angle C, B, A because

Angle C is the smallest angle because the sides AC and BC are the longest so they form the smallest angle

Then it would be angle A being the largest because the smallest sides in length AB and BC make up the biggest angle

The next problem would be that in order for it to have to be a triangle the two smallest sides needs to add up higher than the third side so

11, 11, 24, 11+11=22, which is less than 24 so not this one

18,12,9, 9+12=21 which is greater that 18 so this one would be a triangle

9,10,19, 9+10=19 which 19 isn't greater than 19 so this one is not a triangle

4,7,23, 4+7=11 which is less than 23, so this one is also not a triangle

So your answer would be 18cm,12cm,9cm

8 0
3 years ago
X equals ??????????
Ymorist [56]
Answer: x = 18

explanation: the two angles are congruent bc so you can set the equation up as 9x - 40 = 5x + 32 and then solve for x

hope this helps :)
7 0
2 years ago
Amanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a st
hichkok12 [17]

Answer:

lower than Amanda:  816 students

Step-by-step explanation:

An equivalent way in which to state this problem is:  Find the area under the standard normal curve to the left (below) 940.

Most modern calculators have built in distribution functions.

In this case I entered the single command   normalcdf(-1000,940, 850, 100)

and obtained 0.816.

In this particular situation, this means that 0.816(1000 students) scored lower than Amanda:  816 students.

6 0
2 years ago
Read 2 more answers
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