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zvonat [6]
2 years ago
11

ION 10

Mathematics
1 answer:
Lubov Fominskaja [6]2 years ago
3 0

Answer:

a

Step-by-step explanation:

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What is the square root of -16?<br> е в<br> -87<br> 0 ООО<br> 8
Monica [59]

4i

i=\sqrt{-1}

\sqrt{-16}=\sqrt{-1}*4

\sqrt{-16}=i*4

4i

Hope this helps.

頑張って!

8 0
3 years ago
If the price of an object went up 25% to $10.25 what was the original price?
Naily [24]

Answer:

$8.20

Step-by-step explanation:

125% = 10.25

1% = 0.082

100% = 8.20

8 0
3 years ago
Brady creates the graph below to keep track of the approximate height of the grass on his
IgorC [24]

Answer:

<h2>Time is the independent variable and Height of the Grass is the dependent variable.</h2>

Step-by-step explanation:

The graph is about the height of the grass thourgh time, that means Brady is analysing how long it takes to the grass to grow.

It's important to know that time is a variable which doesn't depends on any other variabel, that is, it's an independent variable all the time.

Therefore, Time is the independent variable and Height of the Grass is the dependent variable.

This is just simple deduction, because the grass grows through time, it doesn't happen in the opposite way, time doesn't change accoring to the height of the grass.

7 0
3 years ago
A plant grows 3/8 inch every month. How many inches
hram777 [196]

Answer:

B. 3 3/4

Step-by-step explanation:

3/8 * 10 = 30/8

30/8 = 3 3/4

8 0
3 years ago
Read 2 more answers
The upper-left coordinates on a rectangle are (-1, 4) left parenthesis, minus, 1, comma, 4, right parenthesis, and the upper-rig
Zanzabum

Answer:

Kindly refer to the attached images for the answer.

Step-by-step explanation:

Upper left coordinates of a rectangle are (-1, 4).

Upper right coordinates of the rectangle are (3, 4).

Perimeter of the rectangle = 24 units

Let A(-1, 4) and B(3, 4).

First of all, let us find the distance between the coordinates A and B.

Distance formula can be used to find the distance.

<em>Distance formula:</em>

<em></em>D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}<em></em>

Here, we have the following values:

x_1 = -1 \\y_1 = 4\\x_2 = 3\\y_2 = 4

AB = \sqrt{(3-(-1))^2+(4-4)^2} = 4\ units

Perimeter = 2 (Length + Width)\\\Rightarrow 24 = 2 \times (AB + BC)\\\Rightarrow 24 = 2 \times (4 + BC)\\\Rightarrow BC = 8

When we will move from point B to C, we will move downwards on y axis for a distance of 8 units therefore value of x coordinate will be same.

Therefore coordinates of C (3, 4-8) i.e. C (3, -4)

When we will move from C to D, the x coordinate will decrease for 4 units.

D (3-4, -4) i.e. D (-1, -4)

Kindly refer to the attached images for the answer.

6 0
3 years ago
Read 2 more answers
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