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olga2289 [7]
2 years ago
11

6 2/7 divided by 2 3/4

Mathematics
2 answers:
Lena [83]2 years ago
8 0
Turn them into improper fractions
44/2 divided by 11/4
Divide = multiply reciprocal
44/2 * 4/11 = 176/22 = 8
The answer is 8
amid [387]2 years ago
8 0

Answer:

16/7

Step-by-step explanation:

6 2/7 / 2 3/4

44/7 / 11/4

44x4/7x11

16/7

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The Willis Tower is 1450 feet tall. Jeff
IgorLugansk [536]

Answer:

  something smaller than 1/483.33, possibly 1/500

Step-by-step explanation:

For the model to fit into the car, the scale must be less than ...

  (3 ft)/(1450 ft) = 1/483.33

It might be convenient for Jeff to use a scale factor of 1 : 500. This would result in a model ...

  (1450 ft)/500 · (12 in/ft) = 34.8 in

leaving about 1.2 inches of clearance in his mother's car.

4 0
3 years ago
PLEASE HELP! I'LL GIVE BRAINLIEST!! 50 POINTS!!!
kogti [31]

Answer:

1 = 9-3÷1/3+1

11 = 15-1(12÷4+1)

Step-by-step explanation:

Order of operations: PEMDAS

Parentheses Exponents Multiplication Division Addition Subtraction

9-3÷1/3+1

9-9+1

0+1

<u>=1</u>

15-1(12÷4+1)

15-1(3+1)

15-1(4)

15-4

<u>=11</u>

<u></u>

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7 0
3 years ago
What is the sum of the complex numbers 2 + 3i and 4 + 8i, where i = <br> −1<br> ?
kotykmax [81]
-1, -4 because 2+3(-1)= -1 and 4+8(-1)= -4
8 0
3 years ago
Read 2 more answers
I need this for a test Plz. I need this ASAP
Darina [25.2K]

Answer:

B

Step-by-step explanation:

cos(a) is AC/AB and sin(B) is AC/AB

6 0
2 years ago
How long will it take to have R30 000 for a trip to Europe if I invest R20 000 now at 15% per year, compounded quarterly?
maw [93]

<span>Compound  interest  formula</span>

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

 

Where

<span>
A= Future value
P = the Principal (the initial amount of money) 
r = annual interest rate</span>

t = time

<span>n= number of times compounded in one t






Remark
----------------------------------------------------------------------------------

r is generally a percentage like 3%, 7% etc and are applied in the formula as 0.03, 0.07..., 

the interest is compounded generally annually (n=1), quarterly (n=4), monthly (n=12), etc...

t is in years,


In our problem:

</span>

A= 30 000

P =20 000

r = 15%=0.15

time = t = ?

n= 4

applying the formula:

A=P(1+ \frac{r}{n} )^{nt}\\\\30,000=20,000(1+ \frac{0.15}{4} )^{4t}\\\\ \displaystyle{\frac{30,000}{20,000} =(1.0375)^{4t}

\displaystyle{ 1.5={(1.0375^4)}^t\\\\

1.5=1.159^t\\\\ \displaystyle { t=log_{1.159}1.5=2.75

75% of 12 months is 3/4 of 12 months, which is 9 months

Answer: 2 years, 9 months

3 0
3 years ago
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