3 years ago

(3 sqrt(-4)) + (5 sqrt(-121)) =

Mathematics

1 answer:

defon3 years ago

5 0

Answer: 61i

hope it helps

Step-by-step explanation:

You might be interested in

There are two bottles of tomato ketchup, one weighs 720 g and costs £1.79, while the other weighs 460 g and costs £1.00. Which b

maksim [4K]

$To\ find\ better\ value\ for\ money\ you\ can\ find\ price\ of\ 100g:\\\\720:100=72\\460:100=46\\\\1.79:72=0.025\\1.00:46=0.022\\\\460g\ ketchup\ is\ more\ profitable.$

8 0

3 years ago

Read 2 more answers

How do change 30/8 in to a mixed number

sashaice [31]

Make the numerator be the sum of a multiple of the denominator and a remainder...

30/8 is equal to:

(24+6)/8 is equal to

24/8+6/8

3+6/8

3 3/4

5 0

3 years ago

Read 2 more answers

A disc has a diameter of 21 cm while a mini disc has a diameter of 14cm. Write the ratio of the mini disc diameter to the disc d

Serjik [45]

Answer:

mini disc diameter:disc diameter

14cm:21cm = 7:10.5 = 3.5:5.25 = 1:1.5

4 0

2 years ago

How do you find DE, Round to nearest 10th

Sergeu [11.5K]

Answer: $DE\approx6.0$

Step-by-step explanation:

Observe in the figure given in the exercise that four right triangles are formed.

In this case you can use the following Trigonometric Identity to solve this exercise:

$cos\alpha=\frac{adjacent}{hypotenuse}$

From the figure you can identify that:

$\alpha =53\°\\\\hypotenuse=10\\\\adjacent=BE=DE$

Then, you can substitute values:

$cos(53\°)=\frac{DE}{10}$

The next step is to solve for DE in order to find its value. This is:

$10*cos(53\°)=DE\\\\DE=6.01$

Finally, rounding the result to the nearest tenth, you get that this is:

$DE\approx6.0$

7 0

3 years ago

1) Three bags of candies cost $5.75. Find the cost per bag.

FrozenT [24]

Answer:

$1.92

Step-by-step explanation:

To find the cost per bag we divide the total cost by the amount of bags so:

$5.75 / 3 = $1.91666667 per bag, which we can round up to $1.92 per bag.

7 0

2 years ago

Read 2 more answers