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3 years ago

8

Habeeb open a saving account and put 400 Naira into it at the end of 2 years the money had earned 24 Naira simple interest . At

what rate percent per annum was the interest paid

1 answer:

lozanna [386]3 years ago

6 0

The rate precent per annum was the interest paid 20

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tamaranim1 [39]

Answer:

Step-by-step explanation: Domain is the x coordinates and range is the y coordinates

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3 years ago

What is the value of y in the solution set of the system of linear equations shown

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The answer will be 10 because you plug in y=-×+12 in the equation 4x-2y=36. After you solve and do distributive property your new equation should be 4x+2x-24=36, then you add the like terms of 4x and 2x which will equal to 6x and your new equation should be 6x-24=36. Add 24 from both sides and your equation should be 6x=60, then you divide 60 by 6 and your final answer will be x=10 or 10

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Find r if 3(r - 7) = 4(2 - 2r) + 4

Arturiano [62]

Answer:

r=3

Step-by-step explanation:

3(r - 7) = 4(2 - 2r) + 4

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3r -21 = 12 -8r

Add 8r to each side

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4 years ago

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Kayla is buying fruit for packed lunches. She needs to buy an assortment of at least 15 apples and oranges and spend less than $

tankabanditka [31]

Answer:

$\left\{\begin{array}{l}x+y\ge 15\\ \\0.65x+0.78y$

Step-by-step explanation:

Let x be the number of apples and y be the number of oranges Kayla buys.

She needs to buy an assortment of at least 15 apples and oranges, then

$x+y\ge 15$

Apples cost $0.65 each, then x apples cost $0.65x

Oranges cost $0.78 each, then y oranges cost $0.78y.

She spends less than $20.00, so

$0.65x+0.78y$

Not that the number of apples and oranges must satisfy inequalities

$x\ge 0\\ \\y\ge 0,$

so the following system of inequalities models this situation:

$\left\{\begin{array}{l}x+y\ge 15\\ \\0.65x+0.78y$

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4 years ago