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Free_Kalibri [48]
3 years ago
15

Evaluate the expression. 20 + 3 (8 – 5)

Mathematics
1 answer:
mylen [45]3 years ago
6 0

Answer:

29

Step-by-step explanation:

  • 20 + 3(8-5)
  • 20 + 3(3)
  • 20 + 9
  • 29
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This table shows the ratio of number of people to liters of ginger ale needed find the missing values
makvit [3.9K]

Answer:

2 and 6

Step-by-step explanation:

7 0
3 years ago
Train a travel 175 miles in a four hours. for train b y=43.5x represents its rate of speed over the same 4 hours which train tra
stepan [7]

Answer:

Train A is faster by a factor of 1.01

Step-by-step explanation:

Given:

Train A:

Distance = 175 Miles

Time = 4 Hours

Train B:

y=43.5x

To Find:

which train travels at a faster rate in by what factor  =?

Solution:

The speed of the train A = \frac{Distance}{time}

The speed of train A  =\frac{175}{4}

The speed of train A = 43.75 miles per hour

Speed of the train B is the slope of the given line

The standard equation of the slope of the line is

y = mx+b

where m is the slope

and we are given with

y = 43.5x

So comparing with the standard equation

m = 43.5

Hence the speed of train B is 43.5  miles per hours

Train A travels faster

Rate =\frac{\text{speed of train A}}{\text {Speed of train B}}

rate  = \frac{43.75}{43.5}

rate  =1.01

7 0
3 years ago
The table shown below shows some values for functions f(x) and g(x). What is/are the solution(s) to f(x)=g(x)? Explain your answ
salantis [7]

Answer:

  x = -1

Step-by-step explanation:

Both tables show a function value of 9 for x = -1.

  x = -1 is the solution to f(x) = g(x), since f(-1) = 9 = g(-1).

5 0
3 years ago
Last year, Dale mowed the lawn in 45 min. This year, it took Dale 38 min to mow the lawn. What is the percent of decrease in mow
klasskru [66]
45-38= 7min decrease
(7/45)* 100=15.5%
3 0
3 years ago
Which is the graph of the linear equation X=-2
tankabanditka [31]

Answer:

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3 0
3 years ago
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