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earnstyle [38]
4 years ago
5

Please give the correct answer.

Mathematics
1 answer:
FrozenT [24]4 years ago
8 0
A and C is a correct answers
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A newborn baby has 26,000,000,000 cells. An adult has about 1.9×10³ times as many as a newborn. About how many cells does an adu
Alenkinab [10]
*Hint* the ^ just means that the following numbers are powers like 1.9x10^3 is same as 1.9x10³


To figure this out just multiply 

26000000000 × 1.9x10³ = 4.94x10¹³ cells in adults
6 0
3 years ago
A store buys cell phones from the manufacturer for $34.40 and marks them up by 85%. What is the sale price of the phones in the
Gnom [1K]

Answer:

$5.16

Step-by-step explanation:

34.40 divided by .85 is 29.24. Subtract the diffrence of 34,40 and 29.24 which is $5.16. Hope this helps :)

7 0
3 years ago
What is the probability of<br> spinning a C?<br> В В<br> A В<br> [?]%<br> СА<br> СС
Mkey [24]
3/8 * 100 = 37.5%
To an integer it is 38%
5 0
3 years ago
Parallelogram ABCD has vertices at A(0, 0) , B(4, 5) , C(8, 0) , and D(4,−5) .
Makovka662 [10]

AB = √(5-0)^2 + (4-0)^2 = √25+16 = √41

BC = √(0-5)^2 + (8-4)^2 = √25+16 = √41

CD = √(-5 - 0)^2 + (4-8)^2 = √25+16 = √41

AD = √(-5-0)^2 + (4-0)^2 = √25+16  = √41

All the sides are equal so it is either a square or a rhombus.

The distance from A to C  on the x axis is: 8-0 =  8 units.

The distance from B to D on the Y axis is: 5 - - 5 = 10 units.

Because the two distances are not the same, it is not a square.

The answer is 4. AB=BC ; therefore, ABCD is a rhombus.

3 0
3 years ago
Please answer this question
Vladimir [108]

Answer:

  • a = 3/2
  • b = -1/2

Step-by-step explanation:

  \dfrac{\sqrt{5}-1}{\sqrt{5}+1}=\dfrac{(\sqrt{5}-1)(\sqrt{5}-1)}{(\sqrt{5}+1)(\sqrt{5}-1)}\\\\=\dfrac{5-2\sqrt{5}+1}{5-1}=\dfrac{6-2\sqrt{5}}{4}\\\\=\dfrac{3}{2}-\dfrac{1}{2}\sqrt{5}

Comparing this to the form a+b√5, we see that ...

  a = 3/2

  b = -1/2

8 0
3 years ago
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