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irina1246 [14]
3 years ago
15

What is the magnitude of a? 4 −4 3 −3

Mathematics
2 answers:
8090 [49]3 years ago
8 0
I think the magnitude is -3
Leya [2.2K]3 years ago
4 0

Answer:

I think -3 because the arrow actually in the -3 iam not sure I think so

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Christine is 4 years younger than Mark. 3 years from now, she will be two-thirds as old as Mark find their present ages.Complete
icang [17]

Answer:Mark Is 9 years old; Christine is 5 years old

Step-by-step explanation:

Present age

LET  mark age be x

Christine be x-4 yrs

In 3 yrs Time

Mark will be x+3 yrs old

Christine  will be  (x -4 +3) = x-1 years old

Also, In 3 years time

Christine  = 2/3 Mark

such that

  x-1 = 2/3(x+3)

  x -1= 2x+6 / 3

    3x  -3= 2x+6

      3X--2X = 6+3

         =X=9

Mark Is 9 years old

Christine is   x -4 = 9-4=5 years old

5 0
3 years ago
The unknown measures of one triangle are about:
olga_2 [115]
Answer: but I need the points sorri
8 0
3 years ago
Five ninths plus four sixths have a nice day Owo
Nat2105 [25]

Answer:

<em>Shoyo here!</em>

Step-by-step explanation:

1.22222222222

hehe, that's a long number- have a nice day! <3

8 0
3 years ago
Can anyone explain this to me??
sergejj [24]
The answer is the last one. Except for the first one, the questions are asking which two line segments are congruent (or equal to each other) in the triangle. Hope this helps :3<span />
4 0
3 years ago
There are 195 adults and 320 children at a zoo. The zoo makes a total of $6,515 from the entrance fees, and the cost of an adult
Ostrovityanka [42]

Answer:

a+c=27

195a+320c=6515

Step-by-step explanation:

adult (a): 195

children (c): 320

total $: $6515

child $: 27

a+c=27 --> c=-a+27

195a+320c=6515

sub the first equation into the 2nd equation to get a=17

sub a=17 into c=-a+27 to get c=10

so, an adult ticket is $17 and a child ticket is $10.

6 0
2 years ago
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