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vladimir1956 [14]
3 years ago
15

Can you guys halp meh with both :(. And if you don't get one and you do the other one, Then just help me or give me (answer ;D)

on that one. Btw thanks :3

Mathematics
1 answer:
Serjik [45]3 years ago
5 0

Part A) Start at 0 on the number line. Count out 7 spaces (each space is 0.25 units wide) so you'll end up at 1.75 which is the total cost. The 7 spaces refer to the number of postcards purchased.

Part B) Multiply 0.25 by 7 and you should get 1.75; alternatively, you can multiply 25 by 7 to get 175, then move the decimal point 2 spots to the left to get 175 ---> 1.75

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A cell phone package charges $39 even if 0 minutes are used during the month. Each additional minute of talk time adds $0.07.
Orlov [11]

Answer: the slope intercept form for this situation is y = 0.07x + 39

Step-by-step explanation:

The cell phone package charges $39 even if 0 minutes are used during the month. This means that the package has a constant charge of $39.

Each additional minute of talk time adds $0.07. Assuming x additional minutes of talk time is made, the total cost of x additional minutes of talk time would be

0.07x + 39

Let y represent the total cost of x additional minutes, then

y = 0.07x + 39

The equation for the slope intercept form is expressed as

y = mx + c

Where

m = slope

c = intercept.

Comparing with our equation,

The slope is 0.07 and the intercept is 39

7 0
3 years ago
Identify intervals on which the function is increasing, decreasing, or constant.
tigry1 [53]
G ( x ) = 2 - ( x - 7 )²
g ( x ) = 2 - ( x² - 14 x + 49 )
g ( x ) = 2 - x² + 14 x - 49
g ( x ) = - x² + 14 x - 47
The maximum of the function is at:
x= - b / 2 a
x = - 14 / ( - 2 ) = 7
Therefore the function is increasing form x ∈ ( - ∞, 7 ) and decreasing for x ∈ ( 7, +∞ ).
Answer:
C.   increasing, x < 7; decreasing x > 7.
3 0
3 years ago
Simplify the expression 3+2^2 / 2+3
vredina [299]

Ans

8 option b.

Step-by-step explanation:

3+4/2+3

=3+2+3

=5+3

=8

3 0
3 years ago
1439<br> 31<br> a. 71.9<br> b. 62<br> c. 56.3<br> d. 42.4<br> Solve for x
Tcecarenko [31]

Answer:

C26 is also a Category of EAD (Employment Authorization Document) provided to immigrant workers in U.S. These are dependents of H1b visa holders commonly referred to as H4-EAD.

Step-by-step explanation:

3 0
3 years ago
Three married couples arrange themselves randomly in six consecutive seats in a row. Find the probability that each woman will s
Hunter-Best [27]
<h3>Answer:</h3>

1/120

<h3>Explanation:</h3>

The numerator of the probability fraction will be the number of ways to arrange 3 items: 3!  = 6. So the probability fraction is ...

... 6/720 = 1/120

_____

The 3 items are the three married couples with the woman on the left.

7 0
3 years ago
Read 2 more answers
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