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kirill [66]
3 years ago
5

What is 2+(9-5)x7-3/4

Mathematics
1 answer:
Cloud [144]3 years ago
5 0
I got 9.75 hope it's right
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HELP ASAP SAPSKPOSMpppppppppppppppppppppppp
givi [52]

Answer:

x = 0

Step-by-step explanation:

10(x-2) = -20

10x - 20 = -20

10x = 0

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3 0
2 years ago
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Alexandre bought a car for $8,000 in 2005. The value of the car declines at a rate of 7.1% every year Alexandre owns it. If he s
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The value of the car will be $5073.46
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3 years ago
What expression is equivalent to 4(3x+3)
Leto [7]

Answer:

when multiplied you get 12x+12

Step-by-step explanation:

3 0
3 years ago
A method for assessing age-related changes that combines the cross-sectional and longitudinal approaches by observing a cross se
MrRissso [65]

Answer:

a. mixed longitudinal study

True, by definition a mixed-longitudinal study is when "have defined some cohorts and these are followed for a shorter period and we can compare the precision, bias due to age and cohort effects" on the entire study. So that represent the perfect mix between longitudinal and cross sectional study.

Step-by-step explanation:

a. mixed longitudinal study

True, by definition a mixed-longitudinal study is when "have defined some cohorts and these are followed for a shorter period and we can compare the precision, bias due to age and cohort effects" on the entire study. So that represent the perfect mix between longitudinal and cross sectional study.

b. limited longitudinal study

This definition is not appropiate and is not usually used in the experimental designs.

c. longitudinal study

False, a longitudinal study is a design on which have "repeated observations of the same variables over short or long periods of time" and for this case we need cross sectional conditions, so for this case not applies.

d. cohort study

False, by definition a cohort study is an extesion of the longitudinal design but on this case " the samples are obtained from a cohort using cross-section intervals through time" and for this reason not applies for our case since we need a longitudinal design combined with the cross sectional design

5 0
2 years ago
Which answer is the solution set in simplest form?
ANTONII [103]
In this question there is 1 equation with 1 unknown variable. So it is absolutely possible to find the value of the unknown variable "x".
(4x - 1)/3 = 7/1
4x -1 = 7 * 3
4x - 1 = 21
4x = 21 + 1
4x = 22
x = 22/4
  = 11/2
So the value of the unknown variable x is 11/2. So the correct option is option "d". Hope i have answered your question correctly and helped you to understand the method by which these problems should be done.
3 0
3 years ago
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