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Elan Coil [88]
2 years ago
10

if Mary walks up three steps in three seconds, then how many seconds would it take to walk up the Lincoln Memorial (eighty-seven

steps)?
Mathematics
2 answers:
Minchanka [31]2 years ago
6 0

Answer:

87 seconds

Step-by-step explanation:

1 step = 1 second

87 steps is going to equal 87 seconds

Hope this helps! have a blessed day.

il63 [147K]2 years ago
5 0

Answer:

87? because 3 divided by 3 equals one so 1 times 87 equals 87

Step-by-step explanation:

hope this helps!

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Line M passes through point (3,1) and is perpendicular to the line of the equation y=3x+4. Which equation describes the graph of
zheka24 [161]

Answer:

y = -1/3x + 2

Step-by-step explanation:

The gradient of the given line is 3 because (y = mx +c where m is the gradient)

Therefore, to find the gradient of the perpendicular line (at 90 degrees), you need to find the negative reciprocal.

The negative reciprocal of 3 is -1/3 because imagine if 3 = 3/1, to get the reciprocal, you flip it, and to get the negative, you just flip the sign.

Now we know that Line M is y = -1/3x + c, we need to find the y-intercept.

To do this, just input the point (3,1) into y = -1/3x + c, to get c. This is because we know (3,1) is on the line from the question.

So it would be 1 = (-1/3 x 3) +c

Which would be 1 = -1 +c

And so c = 2

Put everything together and you get y = -1/3x + 2

8 0
3 years ago
Please help me this is important​
ANTONII [103]

Step-by-step explanation:

the answer is:

180-48= 132°

7 0
3 years ago
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A company that makes trail mix uses 1 3/8
leonid [27]
Is it 17.75 cuz what i got
7 0
3 years ago
Let f(x) = x ^ 2 - x - 2 and g(x) = - 6x - 8. Find g(2) and f(g(2)). Mathfrak g (2)= Box (Simplify your answer. ) f(g(2)) = ( Si
jek_recluse [69]

The value of the function f(g) after simplifying and putting 2 in place of <em>x</em> is -20 and the value of f(g(2)) is 418.

<h3>What is composite function?</h3>

When a function is written inside the another function, then such function is called the composite function.

The first function given in the problem is,

f(x) = x^2 - x - 2

The second function given,

g(x) = - 6x - 8

To find out the value of g(2), put the 2 on place of variable x in the above equation as,

g(2) = - 6(2) - 8\\g(2)=-12-8\\g(2)=-20

The composite function f(g(x)) can be given as,

f(g(2))= (-20)^2 - (-20) - 2\\f(g(2))=418

Thus, the value of the function f(g) after simplifying and putting 2 in place of <em>x</em> is -20 and the value of f(g(2)) is 418.

Learn more about the composite function here:

brainly.com/question/10687170

5 0
2 years ago
Solve |3x - 4| = 6<br><br><br>A. {-10/3, 10/3}<br><br>B. {-2/3, 10/3}<br><br>C. {-2/3, 2/3}
ratelena [41]
B. {-2/3, 10/3}
|3x-4|=6
3x=10
X=10/3

-3x=2
X=-2/3
5 0
3 years ago
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