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Reil [10]
3 years ago
8

What is 6×9×(-5) equal to?

Mathematics
1 answer:
Mumz [18]3 years ago
8 0
6*9*(-5) = -270

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Value of x to 3sf<br> area is root 4/2^2 and sides are (x+2) and (2x-3) and angle is 45°
Debora [2.8K]

Answer:

U have done iT correct

Step-by-step explanation:

6 0
3 years ago
What is the fourth term in the binomial expansion of (2x – y) 7?
nata0808 [166]

Answer:

(7C4) (2x)^4 (-y)^{7-4}

And replacing we got:

35 (2^4) x^4 (-y)^{-3}

And then the final term would be:

-560 x^4 y^3

Step-by-step explanation:

For this case we have the following expression:

(2x-y)^7

And we can use the binomial theorem given by:

(x+y)^n =\sum_{k=0}^n (nCk) x^k y^{n-k}

And for this case we want to find the fourth term and using the formula we have:

(7C4) (2x)^4 (-y)^{7-4}

And replacing we got:

35 (2^4) x^4 (-y)^{-3}

And then the final term would be:

-560 x^4 y^3

8 0
3 years ago
At which x value will f(x)=3x+3 exceed g(x)=3x+10
Anvisha [2.4K]
We write an inequality:

f(x) > g(x)

3^x + 3 > 3x + 10

3^x > 3x + 7

This equation cannot be solved using trivial methods found in high-school classes, so we resort to graphical examination.  3x+7 is a linear function while 3^x is an exponential one (with limit zero as x approaches - \infty).  We see that 3^x = 3x+7 at approximately x=2.4 and x=-2.3.

Indeed, using a computer algebra system such as the ones on modern TI calculators and on many internet sites gives equality at x=2.42, -2.31.  By observing our graph, we see that f(x) > g(x) when x > 2.42 or x < -2.31.
3 0
3 years ago
Read 2 more answers
Linear function whose graph has a slope of 7
Inessa05 [86]

Answer:

y=7x?

Step-by-step explanation:

just a slope of 7 here, but you could add some # like y=7x+4

8 0
2 years ago
Read 2 more answers
Please help! I keep getting the answer of 48 centimeters squared but according to the problem that isn't right! Please help!!!!
Alex

Answer:

Its B

Step-by-step explanation:

30×10=300

300×.4= 120

120÷3=60

3 0
3 years ago
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