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iris [78.8K]
3 years ago
10

I need it today please help me

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
6 0
A.
perimeter: 14.3+12+14 = 40.3 yrds
area: (14X11)/2 = 77 yrds^2

b.
perimeter: 20+25+15 = 60 ft
area: (25X12)/2 = 150 ft^2
MakcuM [25]3 years ago
5 0

Answer:

a. Perimeter=40yds Area=77 square yds

b. Perimeter=60 yds Area=150 square yds

Step-by-step explanation:

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How do I solve this equation: -5/6b + 3/4 = 1/2b - 2/3 ?
Gre4nikov [31]
First get like things on the same side:
-5/6b - 1/2b= -2/3 - 3/4

Then find equivalent fractions to make the equation easier to solve.
-5/6b - 3/6b= -8/12 - 9/12

Then just add things together and solve.
-8/6b= -17/12
-8b= 6(-17/12)
-8b= -17/2
b= (-17/2)/-8
b= 17/16

You can then plug the answer back into the original question to make sure it is the correct answer.
3 0
3 years ago
Use the Midpoint Rule and the given data to estimate the value of the integral I. (Give the answer to two decimal places.)
svlad2 [7]

Answer:

a) integral = 24.72

b) |Error| ≤ 0.4267

Step-by-step explanation:

a)

The integral:

\int_{0}^{3.2} f(x) dx

can be  approximated with the midpoint rule, as follows:

6.7*(0.8 - 0.0) + 8.9*(1.6 - 0.8) + 6.9*(2.4-1.6) + 8.4*(3.2 - 2.4) = 24.72

(that is, all the intervals are 0.8 units length and f(x) is evaluated in the midpoint of the interval)

b)The error bound for the midpoint rule with <em>n</em> points is:

|Error| ≤ K*(b - a)^3/(24*n^2)

where <em>b</em> and are the limits of integration of the integral and K = max |f''(x)|

Given that -5 ≤ f''(x) ≤ 1, then K = 5.  Replacing into the equation:

|Error| ≤ 5*(3.2 - 0)^3/(24*4^2) = 0.4267

5 0
3 years ago
Which of the following describes the dimensions of a backyard?
emmainna [20.7K]

Answer:

the lengths of the sides of the yard.

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
35 juice cups and each juice cup holds 12 fluid ounces.<br> how many gallons is that?
weeeeeb [17]
You have to look it up, but there are are 128 fluid oz in one gallon.


Then find the amount of juice you have total (in fl oz) in the 35 cups

35 * 12 fl oz = 420 fl oz

Then divide by the number of fl oz in one gallon to find the number of gallons

420 fl oz / 128 fl oz = <span>3.28 gallons</span>


6 0
3 years ago
Read 2 more answers
Please help, I cannot figure this out!
oee [108]
I believe it is false I am sorry if it’s not correct
8 0
3 years ago
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