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Fittoniya [83]
3 years ago
5

What is 9/7 of a kilo GIVING BRAINLY

Mathematics
1 answer:
lubasha [3.4K]3 years ago
8 0

Answer:

1.28571429 kilograms

Step-by-step explanation:

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If (a, –5) is a solution to the equation 3a = –2b – 7, what is a?
sukhopar [10]

Answer:

d)  1

Step-by-step explanation:

3a = –2b – 7

We have the point (a, -5) so b = -5

Substituting in

3a = -2(-5) -7

3a = 10-7

3a = 3

Divide each side by 3

3a/3 = 3/3

a =1

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64x squared y cubed + 8xy divided by 4xy squared
Vinil7 [7]

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2x^2y^2*(32y+1)

Step-by-step explanation:

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3 years ago
Simplify the expression (2 − 5)(3 + 7) − (4 + 3). Show your work!
Marta_Voda [28]

Answer:

=-37

Step-by-step explanation:

=-3(3+7) - ( 4+3)

=-3.10-(4+3)

=-3.10-7

=-30-7

=-37

7 0
4 years ago
Read 2 more answers
1. Identify the base, b, of the function f (x) = ab" if its graph passes through the points (1, 6) and (2, 18). (1 point)
Oduvanchick [21]

Answer:

B. 5

Step-by-step explanation:

8 0
3 years ago
find how long it will take for an investment sum of $40000 to generate simple interest of $8000 at 5% per annum​
guapka [62]

Answer:

It will take 4 years

Step-by-step explanation:

The formula of the simple interest is <em>I = Prt</em>, where

  • <em>P</em> is the investment
  • <em>r</em> is the annual rate in decimal
  • <em>t</em> is the time

∵ The investment is $40000

∴ <em>P</em> = 40000

∵ The simple interest is $8000

∴ <em>I </em>= 8000

∵ The rate of interest is 5%

∴ r = 5%

→ Change it to decimal by divide it by 100

∴ <em>r</em> = 5 ÷ 100 = 0.05

→ Substitute them in the formula above

∵ 8000 = 40000 × 0.05 × t

∴ 8000 = 2000t

→ Divide both sides by 2000

∴ 4 = t

∵ t is the time of investment

∴ It will take 4 years

6 0
3 years ago
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