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saveliy_v [14]
3 years ago
11

How can you solve this 60-20=20 ?

Mathematics
2 answers:
Stels [109]3 years ago
5 0
Simplify each side in order to determine if true.

the answer is: False
vampirchik [111]3 years ago
3 0
Multiply -20 times 2. Then solve the operation. 
The operation should be: 60 - 40 = 20
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\\ \sf\longmapsto 2=2(1)+b

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Which lines are parallel if M^4 +M^5? Justify your answer.
Igoryamba
Opposite angles formed by two intersecting lines are equal, so angle 1 is the same as angle 4. That means angle 1 = angle 5 as well. 

<span>When a line intersects two parallel lines, the corresponding angles are equal. That is, if r and s are parallel, then the angles formed when l intersects r are the same s the angles formed when l intersects s. Angle 1 = Angle 5, Angle 2 = Angle 6, and so forth. Since we know angle 1 = angle 5, so from that you can see that r and s are parallel</span>
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3 years ago
Janice has 15 pets. Each of her pets is either a dog or a bird. If her pets have a total of 38 legs, how
balu736 [363]

<em>Hi!</em>

<em></em>

<em>These can be set up as systems of equations.</em>

<em> </em>

<em>Let b = the number of birds, and let d = the number of dogs.</em>

<em> </em>

<em>b + d = 21</em>

<em> </em>

<em>2b + 4d = 76 (this is because birds have 2 legs and dogs have 4 legs.)</em>

<em> </em>

<em>You can solve this using either elimination or substitution.</em>

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Sean lives about 15.5 miles from the airport. Which number rounds to 15.5 when rounded to the nearest tenth?
Natasha_Volkova [10]
ANSWER(S):

15.51

EXPLANATION(S):

15.51 rounded to nearest tenth is 15

*more than one answer
5 0
3 years ago
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