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mafiozo [28]
3 years ago
5

Help if ya can please!!

Mathematics
2 answers:
ratelena [41]3 years ago
4 0
The answer is D........
alina1380 [7]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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Consider an infinitesimal portion dQ of the rod a distance x from the origin. Write an expression for the magnitude dE of the el
arlik [135]

Answer:

The electric field dE due to charge dQ is given as:

dE = (KdQ/r) * r^.

r^ is vector position

r^ = sqrt(x2 + a2). Pythagoras theorem.

K is electrostatic constant. K = 1/4πe(0)

7 0
3 years ago
ABC is a straight line. BD=BC Angle ADB=80° Angle BDC=20° Work out the size of the angle marked x. Give reason for your answer.
fredd [130]

Answer:

hai

Step-by-step explanation:

Pak Awi mau beli jam tangan Rolex hulk submarine dengan harga 300jt. Dia mau beli 2 tahun lagi

dengan asumsi harga jam naik 2% / tahun. Future Value

Uang pak awi sekarang hanya 100jt, berapa yang harus pak awi tabung tiap bulan nya agar 2 tahun lagi

dia bisa beli jam tangan tersebut, jika bunga tahunan adalah 15% / tahun (pajak = 10%) ??? Present

value. Future value. Present value annuity.

Bunga di terima per bulan, dan tetap di gulung.

Ya Berapa yang dia tabung tiap bulan

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3 0
3 years ago
A case of garlic cost $26 per 30 pounds how much does the garlic cost per ounce?
lozanna [386]

Answer:

$0.05417, or around 5 cents

Step-by-step explanation:

There are 16 ounces in a pound. There are 480 ounces in 30 pounds.

26 / 480 = \frac{13}{240} or 0.05416666667

Round to 5 decimal places, 0.05417

7 0
3 years ago
I'm lazy and dont feel like doing math myself. So pls help me!
vodomira [7]

Answer:

55

Step-by-step explanation:

\frac{n(n + 1)}{2}  \\ n = 10 \\ substitutig \\  \frac{10(10 + 1)}{2} \\ \\   \frac{10(11)}{2} \\  \\  \frac{110}{2}  = 55

6 0
2 years ago
Explain how you know that7/13 is greater than one third but is less than two thirds
andrew-mc [135]
7/12 is greater than 1/3 but less than 2/3.
<span>in order to find if this is true, you need to find the common denominator which is 12. in order for 1/3 to have a denominator of 12, you need to multiply by 4. but we all know the rule. whatever we do to the bottom needs to be done to the top, so 1/3 is = 4/12. 7/12 is greater than 4/12. we do the same to 2/3 and multiply the denominator by 4 and the numerator by 4 as well, and the result would be 8/12. if we compare, 7/12 is less than 8/12.</span>
6 0
3 years ago
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