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Nastasia [14]
2 years ago
12

True or false: if your Exppression contains more than one set of parenthesis, you should evaluate all of them before doing anyth

ing else,
Mathematics
2 answers:
mr_godi [17]2 years ago
5 0

Answer:

true

Step-by-step explanation:

dexar [7]2 years ago
4 0

Answer:

yes that is what i was tought

Step-by-step explanation:

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Fill the blank with <,>or = -25.5___-20.5
tangare [24]

<h3>-25.5 < -20.5</h3>

Step-by-step explanation:

<h3>Hope it helps you !!!</h3>
7 0
2 years ago
Clevon forms a triangle with three straws measuring 20, 25, and 18 inches. To the nearest whole
Ne4ueva [31]

Answer:

Step-by-step explanation:

Let's label this triangle as triangle ABC.  Side AB is 18, side BC is 20 and side CA is 25 and the angle we are looking for is angle C.  Use the Law of Cosines to find the missing angle.  You have to use the Law of Cosines because in order to use the Law of Sines you have to have an angle given and we don't so we have no other options.  In our case,

c^2=a^2+b^2-2abcosC which for us looks like this:

18^2=20^2+25^2-2(20)(25)cosC and

324=400+625-1000cosC and

324=1025-1000cosC and

-701=-1000cosC and

.701=cosC

Use the 2nd button and the cos button to find the missing angle.

Angle C = 45.4 which is, rounded to the nearest degree, 45°

8 0
3 years ago
The area of a square garden is 1681 square feet. What are the dimensions of the garden?
12345 [234]
Divide 1681 by 4 which is about 420.25 feet for length
6 0
2 years ago
Read 2 more answers
Find the y intercept of -2,5 and 3,25
AlexFokin [52]

Answer:

Y-intercept = 13

Step-by-step explanation:

Since, given points are:  

(-2,5) and (3,25)

Now, by slope intercept form:

y= mx + b

Here, m= slope and b= y-intercept

In order to find y-intercept, we must find slope firstly:  

Since,

Slope= m= y2-y1 / x2-x1  

m= 25 - 5 / 3 - (-2)

m= 20 / 5  

m= 4  

Put ‘m’ in slope intercept form:

y= 4x + b  

Substitute either point into above equation:

25= 4(3) +b

25= 12 + b  

25 - 12 = b

or b= 25 - 12

b= 13

Hence, y-intercept is 13.  

6 0
3 years ago
kerry is comparing the number 9.207 and 9.210. what is the least place value she needs to compare to decide which number is grea
andrew11 [14]
The number 9.210 is greater. The least place value is the 0 (Zero) and the 1 (One). This is because the 9 (Nine) and the 2 (Two) in 9.207 and 9.210 is the same numbers. There so, you can't compare those 2 (Two) numbers.
4 0
3 years ago
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