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Yuki888 [10]
3 years ago
11

Given: f(x) = x - 7 and h(x) = 2x + 3

Mathematics
1 answer:
Vikentia [17]3 years ago
3 0

Answer:

f(h(x)) = 2x - 4

Step-by-step explanation:

Substitute x = h(x) into f(x), that is

f(h(x))

= f(2x + 3)

= 2x + 3 - 7

= 2x - 4

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Shawna climbed 5 flights of stairs. There were 9 steps in each flight. How many steps did Shawna climb?
exis [7]

Shawna will climb 45 steps

The first step is to write out the parameters given in the question

Shawna climbed 5 flights of stairs

There were 9 steps in each flight

The number of steps can be calculated by multiplying the number of flight of stairs by the number of steps

= 9 × 5

= 45

Hence there are 45 steps for Shawna to climb

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5 0
2 years ago
Find the slope intercept form of an equation given its slope is 1/4 and y intercept is - 3/4
MA_775_DIABLO [31]

Answer:

y=1/4x-3/4

Step-by-step explanation:

y=mx+b

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7 0
2 years ago
Please someone help me I need help!!
Sphinxa [80]

Answer- your answer would be 5/11

8 0
2 years ago
Please help me to solve this sum<br>please gI've correct answer​
disa [49]

This question requires creating a few equations and working through them step-by-step. Now, first let's give each of the shapes a variable: let's say that the blue shape is a, the orange shape is b and the green shape is c.

1. We can technically create six formulas for the magic square, with three for sum of the rows and three for the sum of the columns, however the smartest way to approach this is to observe whether there are any obvious answers that we can get.

We can see in row 2 that there are three of the same shape (a) that add to 57. This makes it very simple to calculate the value of the shape.

Since 3a = 57

a = 57/3 = 19

2. Now we need to find a row or column that includes a and one other shape; we could choose either column 2 or 3, so let's go with column 2. Remembering that the blue shape is a and the orange shape is b:

2a + b = 50

Now, given that a = 19:

2(19) + b = 50

38 + b = 50

b = 12

3. We can now take any of the rows or columns that include the third shape (c) since we already know the values of the other two shapes. Let's take column 1:

a + b + c = 38

19 + 12 + c = 38

31 + c = 38

c = 38 - 31

c = 7

Thus, the value of the blue shape is 19, the value of the orange shape is 12 and the value of the green shape is 7.

3 0
3 years ago
Lock 1: Write your response in Alphabetical Order and in ALL CAPITAL LETTERS (Do not put any spaces or commas.) You must choose
Dennis_Churaev [7]

Answer:

I believe A C and E.

7 0
3 years ago
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