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2 years ago

Exam Guidelines

Mathematics

1 answer:

Ganezh [65]2 years ago

7 0

Answer:

it's A because it's not B or C

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A calculator costs $d. A school buys 90 calculators, and gets a $100 discount for bulk purchasing. How much did the school spend

erik [133]

Answer:

90d-100

Step-by-step explanation:

4 0

3 years ago

Use a table of values with at least 5 values to graph the following function:

34kurt

The given expression :

$y=(\frac{1}{2})^x$

For coordinates:

put x = 0 then :

$\begin{gathered} y=(\frac{1}{2})^0 \\ y=1 \end{gathered}$

Coordinate : (x, y) = (0, 1)

Put x= 1 and simplify :

$\begin{gathered} y=(\frac{1}{2})^1 \\ y=\frac{1}{2} \\ y=0.5 \end{gathered}$

Coordinate : (x, y) = ( 1, 0.5)

Put x = (-2) and simplify :

$\begin{gathered} y=(\frac{1}{2})^{-2} \\ y=\frac{1^{-2}}{2^{-2}} \\ y=\frac{2^2}{1^2} \\ y=2^2 \\ y=4 \end{gathered}$

Coordinate : (x, y) = ( -2, 4)

Put x = (-3) and simplify :

$\begin{gathered} y=(\frac{1}{2})^{-3} \\ y=\frac{1^{-3}}{2^{-3}} \\ y=\frac{2^3}{1^3} \\ y=2^3 \\ y=8 \end{gathered}$

Coordinate : (x, y) = (-3, 8)

Substitute x = (-1) and simplify :

$\begin{gathered} y=(\frac{1}{2})^x \\ y=(\frac{1}{2})^{-1} \\ y=\frac{1^{-1}}{2^{-1}} \\ y=\frac{2}{1} \\ y=2 \end{gathered}$

Coordinate : (x, y) = ( -1, 2)

So, the coordinates are :

The graph is :

4 0

1 year ago

The coordinates of a rectangle are (4,0), (8,0), (4, 10) and (8, 10). Which transformation results in a reduction in the

Cerrena [4.2K]

Answer:

It all depends on the reduction, like by 2 it would shrink half the size or 3it would get smaller but not bt much. So all deoends

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

36 is the same as _____ radians.

Over [174]

The formula is (degree)x(pi÷180)
36 x pi ÷ 180
0.63 rad

6 0

3 years ago

Read 2 more answers

Your school is planning a held trip to the 200. There are two different bus companies that the school can use. The school wants

photoshop1234 [79]

Answer:

for bus A if there is OVER 40 studentsbus b will cost less

5 0

3 years ago