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3 years ago

Lisa is driving a car at an average speed of 55 mi/h. What is Lisa's average speed in feet per second?

Mathematics

2 answers:

Free_Kalibri [48]3 years ago

8 0

80.6667 feet per second

irga5000 [103]3 years ago

4 0

Therefore, the answer is 80.66 feet/sec.

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What is the solution to the equation below? Round your answer to two

ipn [44]

Answer:

The correct answer is x = 7.05

Step-by-step explanation:

1. Let's review the information given for answering the question:

7. 9x = 55.68

2. For solving the equation, we should proceed this way:

x = 55.68/7.9

x = 7.0481

x = 7.05 (Rounding to two decimal places)

3. Let's prove if the value of x is correct

7.9 * 7.05 = 55.68

55.69 = 55.68

The value is correct because we rounded the value of x

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3 years ago

3(2a+5)+5(a-2) explanation and answer please?

Roman55 [17]

6a+15+5a-10
11a+5 is the answer :D

mutiply 3 to 2a and 5 / 5 to a and -2 you will get 6a+15+5a-10 then 6a+5a and 15-10 would be 11a+5

sorry I'm not good at explaining, ask me if you got a question. :D

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3 years ago

1+4=5 2+5=12 3+6=21 5+8= ?

Lady bird [3.3K]

Answer:

Step-by-step explanation:

(1×4)+1=5

(2×5)+2=12

(3×6)+3=21

(5×8)+5=45

right?

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3 years ago

the line below contains X,Y,and Z, in that order. The ratio of the length of XY to the length of YZ is 5:9. If it can be determi

maw [93]

Answer:

$\dfrac{XY}{XZ} =\dfrac{5}{14}$

Step-by-step explanation:

We are give the following in the question:

$\dfrac{XY}{YZ} = \dfrac{5}{9}$

We have to find the ration of the length of XY to the length XZ.

This, can be done as:

$\dfrac{XY}{XZ} = \dfrac{XY}{XY+YZ}\\\\\Rightarrow \dfrac{XZ}{XY} = \dfrac{XY+YZ}{XY} = 1 + \dfrac{YZ}{XY}\\\\\Rightarrow \dfrac{XZ}{XY} = 1+\dfrac{9}{5} = \dfrac{14}{5}\\\\\Rightarrow \dfrac{XY}{XZ} =\dfrac{5}{14}$

Thus, the ration XY:XZ is 5:14

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3 years ago

Hi, sir or madam I'm new here

finlep [7]

Answer:

Step-by-step explanation:

hello,welcome :D

7 0

3 years ago