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Lelu [443]
2 years ago
7

a prayng mantis is an interesting insect that can rotate its head 180 degrees.Suppose the praying mantis at the right is 10.5 ce

ntimeters long.What mixed number represents this length?
Mathematics
2 answers:
cricket20 [7]2 years ago
7 0
The fact that it can turn its head 180 degrees is just extra information. They tell us that it is 10.5 cm long. What they're asking for is the length in a mixed number, so 10.5 as a mixed number.
zavuch27 [327]2 years ago
6 0

Answer:

The required mixed number is 10\frac{1}{2}.

Step-by-step explanation:

Consider the provided information.

It is given that praying mantis at the right is 10.5 centimeters long.

We need to find the mixed number represents this length.

Mixed number: Mixed numbers are the numbers which consists an integer and a proper fraction part.

Now consider the provided length 10.5

10.5 can be written as: 10 + 0.5

Here 10 is an integer, now we just need to change 0.5 into fractional form so that we can have a mixed number.

0.5 can be written as:

0.5=\frac{5}{10}=\frac{1}{2}

Thus, the number is 10+0.5=10+\frac{1}{2}=10\frac{1}{2}

Hence, the required mixed number is 10\frac{1}{2}.

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Given the function defined in the table below, find the average rate of
AURORKA [14]

Answer:

Average rate of change = \frac{2}{5}

Step-by-step explanation:

Average rate of change of a function 'f' in the interval a ≤ x ≤ b is given by,

Average rate of change = \frac{f(b)-f(a)}{b-a}

We have to find the average rate of change in the interval 20 ≤ x ≤ 65

From the table attached,

f(65) = 32

f(20) = 14

Average rate of change = \frac{32-14}{65-20}

                                        = \frac{18}{45}

                                        = \frac{2}{5}

Therefore, average rate of change in the given interval is \frac{2}{5} .

7 0
3 years ago
Look at the picture please help
Ahat [919]

Answer

3,120

5 times 5 because the two lines make it positive then subtract 15,625 and then divide everything by neg. 5

8 0
3 years ago
Read 2 more answers
You open a drink stand where you sell coffee and hot chocolate. You sell coffee for $1.80 and hot chocolate for $3.15. At the en
Usimov [2.4K]

Answer:

c = 69 and h = 51

Step-by-step explanation:

You will need two different equations here

use variable c as coffee and variable h as hot chocolate

c + h = 120

1.80c + 3.15h = 284.40

By moving variables, you can alter the first equation

h = 120 - c

Now insert this into the second equation

1.80c + 3.15(120 - c) = 284.40

Multiply

1.80c + 378 - 3.15c = 284.40

Subtract the c

-1.35c + 378 = 284.40

Subtract 378 from both sides

-1.35c = -93.6

Divide both sides by -1.35

c = 69

Then plug into the first equation

69 + h = 120

Subtract 69

h = 51

7 0
3 years ago
Another one: (12 - 7.5) - 7
mixas84 [53]

Answer:

-2.5

Step-by-step explanation:

Plugged into calculator

5 0
3 years ago
A rental car company charges $35 a day plus $.15/mi for a mid-size car. A customer owes $117.25 for a three-day rental. How many
Molodets [167]
The base charge is 35 dollars per day. He rented the car for 3 days, so before you add in the mileage you have to multiply 35 x 3 days for 105 dollars. Then you have to take the remaining charge and divide it by the charge per mile to get the number of miles driven.  Lets set up the equation.

d= number of days rented
m= number of miles driven

35(d) + .15(m) = 117.25
35(3) + .15m = 117.25
105 + .15m = 117.25
.15m = 117.25 - 105
.15m = 12.25
m = 12.25/.15
m = 81.67

So he drove 81.67 miles
8 0
3 years ago
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