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nignag [31]
3 years ago
14

Help pleaseee.... #5

Mathematics
1 answer:
zvonat [6]3 years ago
8 0

Answer: it mirroed it

Step-by-step explanation:

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You have $200 in a savings account. Each week for 8 weeks, you take put $18 for spending money. How much money is on your accoun
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8 * 18 = 144

200 - 144 = 56

so $56 dollars would be left in your bank account

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3x^3-2x^2-147x+98=(ax-c)(bx+d)(bx-d) where a,b,c and d positive integers. Work out the value of a,b,c and d
Alexxx [7]

Expand the right side:

(ax-c)(bx+d)(bx-d)=(ax-c)(b^2x^2-d^2)

=ab^2x^3-b^2cx^2-ad^2x+cd^2

Notice that 98 = 2 * 7 * 7, so we have c=2 and d=7.

Then

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and

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3 years ago
Dante and Mia have a total of 350 pennies in their piggy banks, altogether. After Dante lost half of his pennies and Mia lost on
tatuchka [14]

Answer:

150 pennies were lost altogether

Step-by-step explanation:

Let the initial number of pennies owned by Dante be x pennies

Let the initial number of pennies owned by Mia be y pennies

Mathematically ;

x + y = 350 •••••••(i)

So after losing half, dante will have x/2 pennies left.

Mia lost 1/3 so she will have 2/3y left

So after all the losses, they both had equal amount of pennies

This means that;

x/2 = 2y/3

Cross multiply;

3x = 4y •••••••(ii)

Let’s solve both equations simultaneously;

From i , x = 350-y

Substitute this into equation ii

3(350-y) = 4y

1050-3y = 4y

7y = 1050

y = 1050/7

y = 150

since x = 350-y

x = 350-150 = 200

Now Dante loss x/2 = 200/2 = 100

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Total pennies lost = 100 + 50 = 150

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2 years ago
Math question I need help with
Greeley [361]
F(x) = (x - 4) (x^2 + 4) would be your answer.
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