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masha68 [24]
3 years ago
12

Uhm helppp??????? :p

Mathematics
2 answers:
larisa [96]3 years ago
7 0
Round the fraction or moved number and then subtract
Anit [1.1K]3 years ago
3 0

Answer:

Estimating the difference of fractions and mixed numbers is similar to estimating sums. Round each fraction or mixed number and then subtract to find the estimate.

Step-by-step explanation:

You might be interested in
What number is 40% of 180?
Olin [163]

Answer:

72

Step-by-step explanation:

You can find ten percent of 180 pretty easily, it is 18 (divide by 10) then multiply by 4 to get 40%.

4 0
2 years ago
Read 2 more answers
Two ropes are attached to a large ballon in a parade. The people holding the ropes are 40 feet apart,and the angle between the t
qaws [65]

Ropes are 9.63 meters ans 8.178 meters.

<u>Step-by-step explanation:</u>

Step 1 :

List all the given things

         Distance between people holding ropes = 40 =(40*0.3048) meters = 12.192 meters

         Angle between two ropes = 86 degrees

         Angle of elevation of one rope = 42 degrees

Step 2 :

Two angles of triangle are already given so third angle can be calculated as -  

            Third angle = 180 - ( 86 + 42 ) = 52 degrees

Step 3 :

As we know all three angles we will apply sine rule now, which is

\frac{a}{sine A} = \frac{b}{sine B} = \frac{c}{sine C}

Step 4 :

By putting values, we have

\frac{a}{sine 52} = \frac{b}{sine 42} = \frac{12.192}{sine 86}

Step 5 : Calculating a and b

a = 12.192 * \frac{sine 52}{sine 86}   ,   b = 12.192 * \frac{sine 42}{sine 86}      

Step 6 :

By putting values of all sine and calculating we get,

a = 9.63 meters and b = 8.178 meters                                

4 0
3 years ago
Can u guys please help me
blsea [12.9K]

Answer:

60.69cm^2

Step-by-step explanation:

5.1^2 = 26.01

5.1/2 = 2.55

2.55 × 5.95 = 15.1725

15.1725×4 = 60.69

60.69 + 26.01 = 60.69cm^2 nice

4 0
1 year ago
11/5,0.05,5,0.5,1/5 from least to greatest
anygoal [31]

0.05,1/5,0.5,11/5,5                                                                      

3 0
3 years ago
Solve this for the brainlist
ella [17]

Answer:

22.4

Step-by-step explanation:

using altitude theorem, the height of the triangle is 20

let y = height

10/y = y/40

y² = 400

y = \sqrt{400} or 20

Now we can us the Pythagorean Theorem to find 'x':

10² + 20² = x²

100 + 400 = x²

x=\sqrt{500} ≈ 22.4

8 0
2 years ago
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