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Romashka [77]
2 years ago
15

6. A certain $400 investment is increasing 10%

Mathematics
1 answer:
Mars2501 [29]2 years ago
6 0

Answer:

0.10

Step-by-step explanation:

0.10 = 10/100 or 10%

Multiply 400*0.10 to get 10% of 400.

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Alexeev081 [22]

Answer:

sq root of 64 = 8, sq root of 81 = 9, 8 and 9

Step-by-step explanation:

Since Sq root of 64 = 8 and Sq root of 81 = 9 it is known that sq root of 66 is between  8 and 9

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2 years ago
Sonia graphs the equations y = –x2 + 4x and y = x – 4 to solve the equation –x2 + 4x = x – 4. Her graph is shown below.
ipn [44]
The line and parabola intersect at x=-1 and x=4, so your solution is C. –1 and 4
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3 years ago
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(x + 2)*(x^2 -2*x+4) - (x^3 -12)
Ivahew [28]

Answer:

  • \large{ \boxed{ \tt{20}}}

- Please see the attached picture for full solution!:)

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2 years ago
PLZ HELP I BEEN SUCK FOE SO LONG PLZ RIGHT ANSWER I WILL CRY
mel-nik [20]

Answer:

40 students

Step-by-step explanation:

In this problem, one is given the ratio ( 8 : 3 ), since a ratio is another way of writing a fraction one can rewrite it as; \frac{8}{3} (8) represent the number of students who want to learn about magnets, and (3) represents the number of students who want to learn about magic tricks.

In the problem, it is also given that 25 more students wanted to learn about magnets compared to magic tricks. If one uses the parameter (x) to represent the factor by which the fraction \frac{8}{3} is reduced, then one can get the equation;

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Use inverse operations to solve,

8x = 3x + 25

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x = 5

Substitute back in to find out how many students want to learn about magnets,

8x

= 8(5)

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3 0
2 years ago
1. 4x + 5 + 7y + 3x *
ddd [48]

Step-by-step explanation:

7y +7x +5 = > answer

hope this will be helpful to you.

plz mark my answer as brainlist plzzzz

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