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maw [93]
3 years ago
11

Mrs. Singh wrote 4 equations on the board.

Mathematics
1 answer:
dalvyx [7]3 years ago
5 0

Answer:

A and B are not true

Step-by-step explanation:

A. 3 * 3= 9 NOT 1

B. 7-0 =7 NOT 0

C. 8*1=8

D. 0*4=0

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Can someone please help?
Travka [436]

Answer:

The answer is in the explaination

Step-by-step explanation:

A + B = 180 degrees

14x - 72 = 180

14x = 108

x = 8

A = 5 times 8 plus 20

A = 60

3 0
3 years ago
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An oil company fills 1/12 of a tank in 1/3 hour. At this rate, which expression can be used to determine how long it will take f
White raven [17]

Answer:

It's C

Step-by-step explanation:

Correct me if i'm wrong.

But it seems to make sense with my calculations....

6 0
3 years ago
Students on the CARE Team are selling puppies, yes, puppies! They earn $0.40 on each puppy they sell. Their goal is to earn more
cricket20 [7]
0.4 x >= 327 Divide by 0.4
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3 0
3 years ago
Evaluate (1/3)(m) - 1 - (1/2)(n) m=21 and n=12
Aneli [31]

Answer:

the answer is 0

Step-by-step explanation:

(1/3)(21)-1-(1/2)(12)

The first thing you do is that you multiply 1/3 times 21/1 which equal 7 then you  multiply 1/2 times 12/1 which that equal 6 then you solve 7-1-6 and you get 6-6 which equal 0 i hope this help you and i hope you have a goood day.

8 0
3 years ago
If AK= 14, EK=17, BK= 7 , What is the length of DK? 12.7 8.5 7.0 3.5
Elden [556K]
To get the value of DK we use proportionality:
AK/EK=BK/KD
thus plugging the values we get:
14/17=7/KD
getting the reciprocal of getting both sides we have:

17/14=KD/7
thus
KD=17/14×7
KD=8.5
thus 
8 0
3 years ago
Read 2 more answers
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