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Len [333]
3 years ago
9

Please answer 26 and correct me if i am wrong on 25 asap help

Mathematics
1 answer:
Maru [420]3 years ago
7 0
25 should be 3 square roots of 8, 4 square roots of 2, and then the square root of 50. 26 should be all those multiplyed together. First you need to reduce so, the square root of 28 will be 2 square roots of seven because you can pull out two twos. then the square root of 112 would be 4 square roots of seven. so when you multiply both of the 2 square roots of seven you get 28. so the rest is 
28 x 2 x 3 x 4 square roots of 7. you cannot reduce the square anymore so the answer will be 672 square roots of 7. (28 x 2 x 3 x 4= 672)
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At a point on the ground 20 feet from a building, a surveyor observes the angle of inclination to the top of the building to be
Bess [88]

Answer:

34.64 ft

Step-by-step explanation:

Distance from the building = 20 ft

Angle of inclination = π/3 radians

The tangent of the angle of inclination must equal the height of the building divided by the distance of the observer from the building:

tan( \pi/3) = \frac{h}{20} \\h = 20*1.73205\\h=34.64\ ft

The building is 34.64 ft tall

8 0
3 years ago
What is the slope below
raketka [301]

Answer:

-1

Step-by-step explanation:

We can find the slope by change in y of change in x

change in y

---------------------

change in x

The y changes  -3  ( goes down 3)

the x changes +3 ( to the right 3)

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This simplifies to -1

4 0
3 years ago
Read 2 more answers
The spending limit on John's credit card is given by the function f(t) = 15,000 + 1.57, where x is his monthly income. 1-13) $60
coldgirl [10]
1.
"The spending limit on John’s credit card is given by the function f(x)=15,000+1.5x"

means that if the monthly income of John is $ 5,000 ,he can spend at most

f(5,000)=15,000+1.5*5,000=15,000+ 7,500=22, 500 (dollars)

Or for example

if Johns monthly income is $8,000, then he can spend at most

f(8,000)=15,000+1.5*8,000=15,000+ 12,000=27,000 (dollars)


2.
Now, assume that the maximum amount that John can spend is y.

Then, y=15,000+1.5x

we can express x, the monthly income, in terms of y by isolating x:

y=15,000+1.5x

1.5x = y-15,000
X=y-15,000/1.5

thus, in functional notation, x, the monthly income, is a function , say g, of variable y, the max amount:
X=g(y) y-15000/1.5
since we generally use the letter x for the variable of a function, we write g again as:

G (x) x-15000/1.5
tells us that if the maximum amount that John can spend is 50,000 $, then his monthly income is 23,333 $.

3.

If John's limit is $60,000, his monthly income is
G(600,000)=60,000-15,000/ 1.5=45,000/1.5 =30,000

dollars.


Answer: $ 30,000

Remark: g is called the inverse function of f, since it undoes what f does.

instead of g(x), we could use the notation
5 0
3 years ago
4/5 of a number is 16. What is the number?
Zepler [3.9K]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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9/56 is already in its simplest form. You CANNOT make it more reduced than this
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