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Kitty [74]
3 years ago
6

The product of two is no greater than 90. If one of the numbers is -10, what is the other number?

Mathematics
1 answer:
xeze [42]3 years ago
5 0
The answer is -10 x -9, -8, -7, -6 etc
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Help me with is please the question is in the picture
alisha [4.7K]
Okay so we have

$1.60 x .10 = .16

1.60 - .16 = $1.44

so

1.44 x 4 = $5.76

1.44 / 2 = .72

$5.76 + .72 = $6.48

so your answer is $6.48 [B]
5 0
3 years ago
Read 2 more answers
I need help with number 4
Nadusha1986 [10]
\bf \begin{cases}
\quad3x+2y=-9\\
-10x+5y=-5
\end{cases}

so hmm the idea behind the elimination, is to make the value atop or below, of either variable, the same but with a negative sign

so hmmm say... we'll eliminate "y"

so... let's see, we have 2y and 5y, both positive
what do we multiply 2y to get a negative -5y, that way, -5y +5y = 0 and poof it goes

well let's see, let's try "k"     \bf 2yk=-5y\implies k=-\cfrac{5y}{2y}\implies k=-\cfrac{5}{2}

so.. if we multiply 2y by -5/2, we'll end up with -5y

well, let's multiply that first equation then by -5/2

\bf \begin{array}{rllll}
3x+2y=-9&\qquad\times -\frac{5}{2}\implies &-\frac{15}{2}x-5y=\frac{45}{2}\\\\
-10x+5y=-5&\implies &-10x+5y=-5\\
&&---------\\
&&\frac{-35}{2}x+0\quad=\frac{35}{2}
\end{array}\\\\
-----------------------------\\\\
\cfrac{-35}{2}x=\cfrac{-35}{2}\implies \cfrac{-35x}{2}=\cfrac{-35}{2}\implies x=\cfrac{2}{-35}\cdot \cfrac{-35}{2}
\\\\\\
\boxed{x=1}

so.. now we know x = 1.... so let's plug that in  say hmmm 2nd equation

\bf -10(1)+5y=-5\implies -10+5y=-5\implies 5y=5\implies\boxed{ y=1}
3 0
3 years ago
Factorise a)2x+8 b)3x-12 c)6x+4 d) 18x-9
uranmaximum [27]
I think it can help you.
6 0
3 years ago
Colin buys a car for £42800. It depreciates at a rate of 5% per year. How much will it be worth in 2 years? Give your answer to
11111nata11111 [884]

Principal=₹42800

Rate of interest=5% but 2 years so multiply by 2 =5×2=10%

Time=2 years

Simple interest=42800×10×2/100= ₹8560

Amount=42800+8560=Rs51360

The answer is ₹ 51360

7 0
2 years ago
Stuart walks 2/3 miles each day. Which is a multiple of 2/3
garik1379 [7]

Answer:



2/3 x 2 = 4/3 or 1 and 1/3

2/3 x 3 = 6/3 or 2

2/3 x 4 = 8/3 or 2 and 2/3

4 0
3 years ago
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