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kati45 [8]
3 years ago
13

What is the answer to -8(-10-4n)-10(n-6)

Mathematics
1 answer:
lawyer [7]3 years ago
4 0

Answer: i think it is =22n+140 i did my math and it should up as that

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Find an equation of the plane. the plane through the point (3, −8, −4) and parallel to the plane 2x − y − z
Marina86 [1]
Geggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg like yuhh
6 0
3 years ago
At time t ≥ 0, the velocity of a body moving along the s-axis is v = t² -5t +4. When is the body moving backwards
katovenus [111]

Answer:

A

Step-by-step explanation:

The velocity of a moving body is given by the equation:

v=t^2-5t+4 ,\, t\geq0

Is the velocity is <em>positive </em>(v>0), then our object will be moving <em>forwards</em>.

And if the velocity is negative (v<0), then our object will be moving <em>backwards</em>.

We want to find between which interval(s) is the object moving backwards. Hence, the second condition. Therefore:

v

By substitution:

t^2-5t+4

Solve. To do so, we can first solve for <em>t</em> and then test values. By factoring:

(t-4)(t-1)=0

Zero Product Property:

t=1, \text{ and } t=4

Now, by testing values for t<1, 1<t<4, and t>4, we see that:

v(0)=4>0,\, v(2)=-20

So, the (only) interval for which <em>v</em> is <0 is the second interval: 1<t<4.

Hence, our answer is A.

7 0
3 years ago
Dawn and abed each roll a standard die obtaining a random number from 1 to 6. if the probability that dawns number is larger tha
larisa [96]

Answer:

a+b = 12

Step-by-step explanation:

There are 36 possible outcomes for rolling two dice. Let A be the number rolled by Abed and D be the number rolled by Dawn. The sample space, in the format [A,D], of all of the possibilities in which Dawn's number is larger is:

[5,6]

[4,5] [4,6]

[3.4] [3,5] [3.6]

[2,3] [2.4] [2,5] [2.6]

[1,2] [1,3] [1.4] [1,5] [1.6]

There are 15 ways out of 36 possible ways of Dawn getting the higher number. In the simplest form:

\frac{15}{36}=\frac{5}{12}=\frac{a}{b}\\ a+b = 5+12 = 17

7 0
3 years ago
How many ways can you give 18 cards to 2 people
NeTakaya
9 because 18÷2=9
you can use models to help too
get 18 things and put them in 2 groups
3 0
3 years ago
Read 2 more answers
Solve. check for extraneous solutions sqrt x+7-x=1
leva [86]

Answer:

i belive the answer should be x = 0

Step-by-step explanation:

Since two opposites add up to zero, remove them from the expression

and then 7=1 the statement is false for any value of x

3 0
3 years ago
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