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gregori [183]
3 years ago
13

13x - 1 what does x equal in this

Mathematics
1 answer:
Whitepunk [10]3 years ago
4 0

Answer:

x = 7

Step-by-step explanation:

13x - 1 = 90

      +1     +1

13x = 91

divide 13 by both sides of the equal sign

x = 7

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three friends earned more than $200 washing cars. they paid there parents $28 for supplies and divided the rest of money equally
makvit [3.9K]
So
x=earned
x>200
they paid their parrents 28 for supplies (this assumes that they paied 28 altogether and not 28 each)
so subtract 28 from pay
new pay=y
y>200-28
y>172
divided it among themselves (3)
172/3=57 and 1/3=57.33
they each earned more that $57.33
4 0
2 years ago
What is the vertex of the function h(x)=|x+6|+3
meriva

Answer:

(-6, 3)

Step-by-step explanation:

The function f(x) = a |x − h| + k has its vertex at (h, k).

In this case, the vertex is (-6, 3).

8 0
3 years ago
There are 52 titled chapters in this book. Is there a sure possibility that some chapters start with the same a) letter b) word?
kipiarov [429]

Answer:

there is sure probability to that some chapters will start with the same letter. There is no sure probability that some chapters will start with same word

Step-by-step explanation:

there are 26 letters in the English alphabet

probability that one letter will start a chapter

is 1/26.

Number of pages=52

1/26×52=2

7 0
3 years ago
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Pls HELP meeee. My child needs some real help I I wish I would’ve took those college lessons.
Ksenya-84 [330]
I think the answer would be 75%, meaning that the orange juice would have a greater percentage of water.
3 0
2 years ago
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Daniel kicks a soccer ball and the trajectory is modeled by f(t) =− 16t^2+ 32t .
vagabundo [1.1K]

Answer:

f(1) = 16

Domain: 0 ≤ t ≤ 2

Step-by-step explanation:

Given

f(t) = -16t²+ 32t

Solving (a): f(1)

Substitute 1 for t in f(t)

f(t) =− 16t²+ 32t .

f(1) =− 16 * (1)²+ 32 * 1

f(1) = -16 * 1 + 32

f(1) = -16 + 32

f(1) = 16

Solving (b): The domain

The implication of the given parameter in (b) is that t ≤ 2.

Since t represents time, t can't be negative.

Hence, a reasonable domain is

0 ≤ t ≤ 2

3 0
3 years ago
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