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andrezito [222]
3 years ago
5

What is the product? (-3s+2t)(4s-t)​

Mathematics
2 answers:
Step2247 [10]3 years ago
7 0

Answer:

−12s2+11st−2t2

Step-by-step explanation:

Hope this helps!

pashok25 [27]3 years ago
6 0

Answer:

-12s - 2t

Step-by-step explanation:

First simplify the like terms.

-3s * 4s = -12s

(-12s + 2t)(-t)

Simplify the like terms again.

2t * (-t) = -2t

-12s - 2t.

Or

12s + 2t. (You can get this by multiplying the equation by -1)

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Pearl drove 90 miles and used 5 gallons of gas. Lourdes used 2 gallons of gas to drive 48 miles.
andrew11 [14]

Hello there!

Pearl drives 18 Miles with every 1 gallons of gas, Lourdes Drives 24 miles every 1 gallons of gas. Lourdes is using less gas and driving more miles than Pearl every gallon so he is using gas more efficiently.

Hope this helped!!

6 0
3 years ago
Please help me with (9, 10, & 12.) If you could find the answer along with the work, that would be lovely. Thanks!
sladkih [1.3K]
9. Answer: It's a proportional relationship, since every hour he charges $6.25.

Work: there is no work, but you did need the linear equation, which you have written in question 11,

10. Answer: Ratio of how much Steven charges per hour,
\frac{6.25}{1}

Work:
\frac{50 - 31.25}{8 - 5}  =  \frac{18.75}{3}  = \frac{6.25}{1}
12. Answer: $18.75

Work:
y = 6.25(x) \\ y = 6.25(3) \\ y = 18.75



3 0
4 years ago
Ok guys y’all need to help me out i don’t understand this at all plz help:(
Tomtit [17]

Answer:

The 3rd one should be right

Step-by-step explanation:

I hope that helps

7 0
3 years ago
h(x)= \dfrac{1}{8} x^3 - x^2h(x)= 8 1 ​ x 3 −x 2 h, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided b
Nesterboy [21]

Answer:

\dfrac{1}{2}

Step-by-step explanation:

Given the function h(x)=\dfrac{1}{8}x^3-x^2

The average rate of change of the function h(x) over the interval a\le x\le b can be calculated using formula

\dfrac{h(b)-h(a)}{b-a}

In your case,

a=-2,\\ \\b=2,

so the average rate of change is

\dfrac{h(2)-h(-2)}{2-(-2)}\\ \\=\dfrac{(\frac{1}{8}\cdot 2^3-2^2)-(\frac{1}{8}\cdot (-2)^3-(-2)^2)}{4}\\ \\=\dfrac{(1-4)-(-1-4)}{4}\\ \\=\dfrac{-3+5}{4}\\ \\=\dfrac{2}{4}\\ \\=\dfrac{1}{2}

6 0
3 years ago
Solve and graph <br> -4 + 2t - 14 - 18t &gt; -6 - 100t
irina [24]
Okay so first u just add the terms on each side 
2t-18>-6-100t  
2(t-9)>2(-3-50t)
t-9>-3-50t
51t>6
t>6/51
t>2/17
so just take a number line put an empty circle like this : O on 2/17 and draw a line showing it continues to the right infinitely. Sorry if my math is wrong lol i am functioning on one hour of sleep. 
7 0
3 years ago
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