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docker41 [41]
2 years ago
12

Work out and simplify where possible 3 x 5/11 12 x 3/4

Mathematics
1 answer:
EleoNora [17]2 years ago
7 0

3 \times  \frac{5}{11}

turns into

\frac{3}{1}  \times  \frac{5}{11}  =  \frac{15}{11}  =  1 \frac{4}{11}

12 \times  \frac{3}{4}  =  \frac{12}{1}  \times  \frac{3}{4}  =  \frac{36}{4}  = 9

Because 36 goes into 4 nine times.

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Fran deposited 4869 into a savings account that pays simple annual interest rate of 3.25% how much interest will she earn after
Whitepunk [10]

Answer:

$395.61

Step-by-step explanation:

The formula for simple interest is:

i=Prt

Where

i is the interest amount

P is the principal amount

r is the rate of interest per time period

t is the time period

Here,

P = 4869

we want to find after 30 months, that converted to years is:

30/12 = 2.5 years

t = 2.5

The annual rate is 3.25% = 0.0325

Now, substituting, we find our answer:

i=Prt\\i=(4869)(0.0325)(2.5)\\i=395.61

The interest earned is <u>$395.61</u>

8 0
3 years ago
Answer with solution
adelina 88 [10]
In general, the scalar multiple of k times u,<span> is this: 

</span>k\vec u = k(ux, uy)=(Kux,Kuy) 

So, here's how we find 3\vec v 

3\vec v = 3 * (2,4) = (3*2,3*4) &#10;&#10;= (6,12) 

The answer is <span><span>(6,12).</span></span>
6 0
3 years ago
Read 2 more answers
1
strojnjashka [21]

Answer:

Step-by-step explanation:

3x - 4y = 13 (1)

2x + y = 5 (2)

——————

3x - 4y = 13

4(2x + y = 5) (2) times 4

——————-

3x - 4y = 13

8x + 4y = 20

——————-

11x = 33

x = 33/11

x = 3

Plug x = 3 in (2):

2(3) + y = 5

6 + y = 5

y = 5-6

y = -1

Thus, x = 3 and y = -1

4 0
3 years ago
The equation A = x(x-4) describes the area, A, of a rectangular flower garden, where x is the width in feet.
BabaBlast [244]

Answer:

The flower garden width would be 6 ft

Step-by-step explanation:

A = 12 ft^2 = x(x + 4) becomes:

x^2 + 4x - 12 = 0, or (by completing the square) x^2 + 4x + 4 - 4 - 12 = 0

Thus, we have (x + 2)^2 - 16 = 0, or (x + 2)^2 = 16

Taking the square root of both sides yields x + 2 = ±4.

In this context only a positive x value makes sense:  x = 2 + 4  =>  x = 6.

The flower garden width would be 6 ft.  The other dimension would be 6 - 4, or 2, ft.

4 0
3 years ago
1/2 - 1/5= ???
Aleonysh [2.5K]
Stop asking questons we are pretty much telling you the answer figure it out your self
6 0
3 years ago
Read 2 more answers
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