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Andrews [41]
3 years ago
13

Please solve the question ​

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

g(-1) = -1

g(0.75) = 0

g(1)= 1

Step-by-step explanation:

Given

See attachment

Solving (a): g(-1)

We make use of:

g(x) = -1

Because: -1 \le x < 0 is true for x =-1

Hence:

g(-1) = -1

Solving (b): g(0.75)

We make use of:

g(x) = 0

Because: 0 \le x < 1 is true for x =0.75

Hence:

g(0.75) = 0

Solving (b): g(1)

We make use of:

g(x) = 1

Because: 1 \le x < 2 is true for x =1

Hence:

g(1)= 1

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What is the y-intercept of the line described by the equation below?<br> y = 7x + 4
zlopas [31]

Answer:

The y-intercept is 4

Step-by-step explanation:

y=mx+b

m=the slope

b=the y-intercept

Hope this helps .-.

8 0
3 years ago
Big Ben (the clocktower) in London has a circumference of 72.22 feet and an area of 415.27 feet^2. What is the diameter AND radi
Mashutka [201]

Answer:

Diameter = 23  Radius = 11.5

Step-by-step explanation:

Divide the circumference by π, or 3.14 for an estimation. The result is the circle's diameter.

<em>72.22 ÷ 3.24 = 23</em>

diameter = 23

Divide the diameter by 2.

<em>23 ÷ 2 = 11.5</em>

There you go, you found the circle's radius

7 0
1 year ago
Solve:<br> 2m - 8 = -m + 10
Varvara68 [4.7K]

Step-by-step explanation:

2m+m=10+8

3m=18 /3

M=6

6 0
3 years ago
Read 2 more answers
Please help ASAP brainliest.
lisov135 [29]

Answer:

\left[\begin{array}{cc}2&8\\5&1\end{array}\right]

Step-by-step explanation:

The <em>transpose of a matrix </em>M^T is one where you swap the column and row index for every entry of some original matrix M. Let's go through our first matrix row by row and swap the indices to construct this new matrix. Note that entries with the same index for row and column will stay fixed. Here I'll use the notation p_{i,j} and p^T_{i,j} to refer to the entry in the i-th row and the j-th column of the matrices P and P^T respectively:

p_{1,1}=p^T_{1,1}=2\\p_{1,2}=p^T_{2,1}=5\\p_{2,1}=p^T_{1,2}=8\\p_{2,2}=p^T_{2,2}=1\\

Constructing the matrix P^T from those entries gives us

P^T=\left[\begin{array}{cc}2&8\\5&1\end{array}\right]

which is option a. from the list.

Another interesting quality of the transpose is that we can geometrically represent it as a reflection over the line traced out by all of the entries where the row and column index are equal. In this example, reflecting over the line traced from 2 to 1 gives us our transpose. For another example of this, see the attached image!

7 0
3 years ago
Find the height of a clock tower if the angle of elevation from a horizontal point 430 m from its base is 40°.
zaharov [31]

\\ \sf\longmapsto tan40=\dfrac{P}{430}

\\ \sf\longmapsto 0.83=\dfrac{P}{430}

\\ \sf\longmapsto P=430(0.83)

\\ \sf\longmapsto P\approx361m

  • P=Height of tower

5 0
2 years ago
Read 2 more answers
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