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nydimaria [60]
3 years ago
5

Identify the area of the rhombus. HELP PLEASE!!

Mathematics
1 answer:
Zinaida [17]3 years ago
7 0

Answer:

A = (x^2 - 2x - 8) m^2

Second option

Step-by-step explanation:

Area of rhombus = 1/2 d1 * d2

= 1/2(2x+4)(x-4)

= 1/2 (2x^2 -8x + 4x - 16)

= 1/2 (2x^2 - 4x - 16)

= x^2 - 2x - 8

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How many places do you need to move the decimal to the left to write the number below in scientific notation?
bonufazy [111]

Answer:

A) 1.3*10¹

B)7*10⁰ - Actually I am not very sure if it is required to write 10⁰. I normally don't write 10⁰ (When I solve problems in physics if the answer for example is 7 I just write 7 not 7*10⁰). But if you check on Google 10⁰ has been mentioned

C)1.4*10¹

D)1.2*10¹

Step-by-step explanation:

For any number when you express it in a scientific notation, You should make sure that the number (for example : X) X which is going to be multiplied with a power of 10 (for example:10³,10⁴10¹⁰ etc), X should be between 1 and 10

This might sound very complicated so I can give you an example to simplify

Let's take 1.3*10¹

In this case X is 1.3

This means X*10¹

The number X is being multiplied with the power of 10(example:10¹,10²,10⁰,10⁹ ,etc) .In the above case X is being multiplied with 10¹.

Now this number X should be between 1 and 10.(Including 1)

Scientific notation= X*power of 10

where x>=1 & x<10

That is the explanation

Hope it helps

If you think my explanation is a bit complicated

you can ask me again

5 0
3 years ago
Cecil is replacing lightbulbs in the office where he works. When he started, he had x boxes of lightbulbs with 2 bulbs in each b
nignag [31]

Answer:

If we add the Replaced, the Left, that would be 28 LB, 14 boxes.

6 0
3 years ago
Read 2 more answers
A prism with a base area of 8 cm² and a height of 6 cm is dilated by a factor of 5/4 .
Andrei [34K]
The volume of the original prism is calculated by multiplying the area of the base by the height,
                               volume = (8 cm²)(6 cm) = 48 cm³
By the word dilated we mean to say that the dimensions of the new prism is 5/4 times that of the original solid. If we let x be the volume of the new solid,
                           x / 48 cm³ = (5/4)³
The value of x from the equation above is equal to 93.75 cm³. 
8 0
3 years ago
Read 2 more answers
Question in the image please help!!
Burka [1]
Answer: 300


Explanation: $13.00 x 20 + 40 I think
3 0
2 years ago
2.5² - 2.89/17 <br> Giving your answer correct to 2 significant figures
Virty [35]

Answer:

<h2>6.08 is the correct answer.. </h2>

Step-by-step explanation:

2.5 {}^{2}  - 2.89 \div 17 \\ 6.25 - 2.89 \div 17 \\ 3.36 \div 17 \\ 6.08..is \: the \: answer.

7 0
2 years ago
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