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EastWind [94]
3 years ago
7

What is y^(2)-x^(2 ) when y=6 and x=5

Mathematics
2 answers:
timofeeve [1]3 years ago
5 0

Answer:11

Step-by-step explanation:

Plugging in y=6 and x=5, we get 6^2 -5^2. This is difference of squares, so we can write this as (6+5)(6-1)=11.

Alternatively, we can simply do 6^2-5^2==36-25=11.

max2010maxim [7]3 years ago
4 0

Answer:

11

Step-by-step explanation:

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Ally's science class was looking at bacteria through a microscope. Ally's teacher said some bacteria can be as small as 0.00365
mamaluj [8]

The length of the bacteria should be written in scientific notation.

0.00365 in scientific notation = 3 × 10^-3

Given.

length of the bacteria in decimal = 0.00365 cm long

Scientific notation is written in the format x × 10ⁿ

where,

x = any number between digit 1 and 10

n = exponent (positive or negative).

  • To have a negative exponent value, move decimal to the right

  • To have a positive exponent value, move the decimal point to the left.

In this case, the nearest significant value is 3

So move the decimal point three times to where 3 is

That is,

0.00365 = 3.65

Since the decimal point is moved to the right 3 times, n = - 3

we have 10^-3

Therefore,

0.00365 in scientific notation = 3 × 10^-3

Read more:

brainly.com/question/10401258

4 0
2 years ago
Number of Packets
Alex

Answer:

13. D = 18

14. S = (x, y + 6)

Step-by-step explanation:

13.

Given

M = (-8,2)

S = (10,2)

Required

Determine the distance between M and S

Distance (D) is calculated using:

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

Where

(x_1,y_1) = (-8,2)

(x_2,y_2) = (10,2)

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

D = \sqrt{(10 - (-8))^2 + (2 - 2)^2}

D = \sqrt{(10 +8)^2 + 0^2}

D = \sqrt{18^2 + 0}

D = \sqrt{18^2}

D = 18

<em>Hence, the distance between M and S is 18 units</em>

<em></em>

14.

The coordinate of S and P are not given,

So, I'll just use (x,y) for P

i.e.

P=(x,y)

Required

Determine the coordinates of S

If S is 6 units above P, then the coordinates of S is

S = (x, y + 6)

<em>i.e. we add the units to the y coordinate of P.</em>

8 0
3 years ago
1 less than the square of a number.
julsineya [31]

Answer: 1 is not a perfect square. 3 is the only prime number one less than a square.

7 0
2 years ago
∠A and ∠B are supplementary, and ∠A and ∠C are supplementary. Which conclusion is valid? Select one: A. ∠B and ∠C are supplement
zysi [14]

Option D is the correct answer.

Answer:

D. ∠B and ∠C are congruent.

Step-by-step explanation:

Since, ∠A and ∠B are supplementary.

Therefore,

∠A + ∠B = 180°.....(1)

Since, ∠A and ∠C are supplementary.

Therefore,

∠A + ∠C = 180°.....(2)

From equations (1) & (2)

∠A + ∠B = ∠A + ∠C

=> ∠B = ∠C

Hence, ∠B and ∠C are congruent.

4 0
3 years ago
What is 0.000 002 in standard form​
Vsevolod [243]

Answer:

0.000 002 = 2 \times  {10}^{ - 6}

Step-by-step explanation:

It is already in standard form and can be expressed in scientific form as:

0.000 002 = 2 \times  {10}^{ - 6}

5 0
3 years ago
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