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lukranit [14]
4 years ago
11

Help will mark brainliest

Mathematics
1 answer:
kirill [66]4 years ago
8 0

Answer:

- 1 4/5

Step-by-step explanation:

-1 1/5 + - 3/5

Since the signs are the same, we add and take the sign

1 1/5 + 3/5

1 4/5

The sign is negative

- 1 4/5

On the number line start at - 1 1/5 and go to the left 3/5( since the sign is negative)  you will end up at - 1 4/5

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What is the inverse of the following condition? If n is the sum of two even numbers, then n is even.
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4 years ago
Jeff is baking a cake. The recipe says that he has to mix 32 grams of vanilla powder to the flour. Jeff knows that 1 cup of that
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Answer:

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7 0
3 years ago
Read 2 more answers
Find The Zero Of The Function <br> F (x)=x^2+3x-10 <br> And <br> F (x)=-x^2+8x+9
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1)
F(x)=x^2+3x-10 \\&#10;0=x^2+3x-10 \\&#10;0=x^2-2x+5x-10 \\&#10;0=x(x-2)+5(x-2) \\&#10;0=(x+5)(x-2) \\&#10;x+5=0 \ \lor \ x-2=0 \\&#10;x=-5 \ \lor \ x=2 \\ \\&#10;\hbox{the function has two zeroes: x=-5 and x=2}

2)
F(x)=-x^2+8x+9 \\&#10;0=-x^2+8x+9 \\&#10;0=-x^2-x+9x+9 \\&#10;0=-x(x+1)+9(x+1) \\&#10;0=(-x+9)(x+1) \\&#10;-x+9=0 \ \lor \ x+1=0 \\&#10;x=9 \ \lor \ x=-1 \\ \\&#10;\hbox{the function has two zeroes: x=-1 and x=9}
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3 years ago
Read 2 more answers
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