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const2013 [10]
2 years ago
14

What is the answer for 17/20 + 7/20

Mathematics
2 answers:
shtirl [24]2 years ago
6 0
The answer is 6/5 also known as 1 1/5
if you want it in decimal form it’s 1.2
Korolek [52]2 years ago
3 0

Answer:

24/20 or simplified, 6/5

Step-by-step explanation: when adding fractions, you line up the numerators and denominators but only add the numerators. to simplify you need to find a number that both the numerator and denominator can be divided by.

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Manuel até 1/3 crackers. His brother ate 1/4 crackers. There are 5 crackers left. How many crackers were there from he beginning
mrs_skeptik [129]
50 crackers hope this helps
8 0
3 years ago
A magician has a collection of 52 cards, with 26 red and 26 black cards. Four of these cards are classified as 'special', and tw
Brums [2.3K]

Answer:

option B (28/52)

Step-by-step explanation:

from probability

P(A∪B)=P(A)+P(B)-P(A∩B)

where

P(A∪B) = probability that event A or B happen

P(A∩B) = probability that event A and B happen simultaneously

P(A) =  probability that event A happen

P(B) =  probability that event B happen

the probability that the card is special or red

P( special or red)= P(special) + P(red) - P( special and red)

since

P(special)= 4/52

P(red) = 26/52

P( special and red) = 2/52

therefore

P( special or red)= 4/52 + 26/52 -  2/52 = 28/52

P( special or red)= 28/52

(option B)

6 0
3 years ago
Which statements are true about the reflections symmetry of a regular heptagon?
lakkis [162]

Answer:

some statements that are true are :

Step-by-step explanation:

it has only 1 line of reflectional symmetry.

a line of symmetry will connect 2 vertices.

a line of symmetry will connect a vertex and a midpoint of an opposite side.

it has 7 fold symmetry.

a line of symmetry will connect the midpoints of 2 opposite sides.

3 0
2 years ago
A wire 31ft long is stretched from the top of a flagpole to the ground at a point of a flagpole to the ground at a point 15ft fr
Nat2105 [25]

Answer:the height of the flagpole is 27.12 ft

Step-by-step explanation:

The wire makes an angle with the ground and forms a right angle triangle with the flag pole. The length of the wire represents the hypotenuse of the right angle triangle. The height of the flag pole and the ground distance from the wire represents the adjacent and opposite sides respectively.

To determine the height of the flagpole, x we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

31² = x² + 15²

x² = 961 - 225 = 736

x = √736. = 27.12 ft

8 0
3 years ago
Pls help I’ll brainlest
mylen [45]
Y=5/2x

Or y=2.5x
Hope this helps
4 0
2 years ago
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