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Kaylis [27]
3 years ago
13

Which statement is true?

Mathematics
1 answer:
g100num [7]3 years ago
6 0
A is the answer to the equation
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Solve (+)127-9 = (2) (+2) for x
Aleksandr [31]

Answer: 118=4

Explanation

8 0
3 years ago
If f(x) = x^2 is reflected over the x-axis and the shifted 4 units down, what is the equation of the new function, g(x)?
NARA [144]

Answer:

g(x) = -x² - 4

Step-by-step explanation:

In this case, we are only changing <em>a </em>(reflection and vertical shrink/stretch) and <em>k </em>(vertical movement)

<em>k </em>= -4 because we are moving 4 units down

<em>a </em>= -1 because we are just reflecting over the x-axis

6 0
3 years ago
64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44.
nlexa [21]

Answer:

Sarah is 60 years old

Step-by-step explanation:

64 divided by 4 is 16. Add 16 to 44 to get Sarah's age, 60

3 0
3 years ago
Read 2 more answers
According to the table below, what is the probability that a student chosen at random will be 16 or older?
galben [10]

Answer:

probability: 0.44

8 0
3 years ago
Read 2 more answers
the sum of the digits of a certain two-digits number is 7.Reversing its digits increases the number by 9.What is the number
rusak2 [61]
Unit digit=y
tens digit=x
the number: 10x+y

We suggest this system of equations:
x+y=7
(10y+x)=(10x+y)+9
we solve it by substitution method.
x=7-y
10y+(7-y)=(10(7-y)+y)+9
9y+7=70-10y+y+9
9y+10y-y=70+9-7
18y=72
y=72/18=4

x=7-y
x=7-4=3

number=10x+y=10*3+4=30+4=34

solution: the number: 34

To check:
3+4=7
43=34+9
8 0
3 years ago
Read 2 more answers
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