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vodka [1.7K]
4 years ago
9

Write a rational number and an irrational number that is found between 19.6 and 19.8

Mathematics
1 answer:
alukav5142 [94]4 years ago
6 0
A rational nr. = 19.7
An irrational nr= 19.76281...
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Cristine's middle school has a total of 900 students and 45 teachers. The local high school has 110 teachers and a student-teach
frozen [14]
Write and solve an equation of ratios:

900 students      45 teachers         
------------------  = -----------------  
          x               110 teachers     

Cross multiplying, we get (900)(110) / 45, or

                                                                 
so x = # of students in the high school = 2200   (answer)
                                                                    
8 0
4 years ago
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ILL GIVE BRANLIEST AND MANY POINTS
viva [34]

Percent change formula:

C = x    -   x

        2         1 / x

                            1

To calculate percent change we need to take the difference between the starting value and final value, divide by the absolute value of the starting value, and multiply the result by 100.

1. 72 is a 33.333% decrease of 108. Round is 33%.

2. 90 is a 20% increase of 75. Round is 20%.

3. 49 is a 75% increase of 28. Round is 80%.

3 0
3 years ago
I need help I watch anime though but fr I need help thx
Vilka [71]

Answer:

Step-by-step explanation:

In this question we have to find the expression for the value of temperature in terms of degrees Celsius.

Since, the given expression is,

F = 1.8C + 32

F - 32 = 1.8C + 32 - 32

F - 32 = 1.8C

\frac{F-32}{1.8}=\frac{1.8C}{1.8}

\frac{F-32}{1.8}=C

For F = C,

\frac{C-32}{1.8}=C

C - 32 = 1.8C

C - 1.8C = 32

-0.8C = 32

C = -\frac{32}{0.8}

C = -40

Therefore, at (-40°C) degrees of temperature degrees Fahrenheit and degrees Celsius are equal.

8 0
3 years ago
The perimeter of the rectangle is 30 centimeters. What is the length of side c?
Anna35 [415]
P=2a+2c=30

a+c=15

C=15-a
3 0
3 years ago
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Solve for h<br><br> can someone please answer and explain thank you &lt;33
Oxana [17]

Answer: h=\frac{2A}{(a+b)}

Step-by-step explanation:

To solve for h, we want to get h alone. We need to use our algebraic properties.

A=\frac{1}{2} h(a+b)                             [multiply both sides by 2]

2A=h(a+b)                              [divide both sides by (a+b)]

h=\frac{2A}{(a+b)}

Now that we have h alone, we know that h=\frac{2A}{(a+b)}.

6 0
3 years ago
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