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jekas [21]
3 years ago
5

Plz help me

Mathematics
1 answer:
RoseWind [281]3 years ago
7 0

Answer: the first one is 43 because 80- 37 = 43

the second one is 41,976 because 212 times 198= 41,976

Step-by-step explanation:

You might be interested in
If :
aalyn [17]
So there are 38 +32 = 70 and for the rest 30 we can assuming 15 + 8 +7 

38+32+15+8+7=100

hope this will help you 
3 0
3 years ago
A rectangle initially has dimensions 3 cm by 6 cm. All sides begin increasing in length at a rate of 3 cm divided by s 3 cm/s. A
Setler [38]

Answer:

  405 cm²/s

Step-by-step explanation:

The dimensions are increasing at the rate of 3 cm/s, so the dimensions in cm can be described as a function of time by ...

  3 + 3t

and

  6 + 3t

Then the area is the product of these, or ...

  A = (3 +3t)(6 +3t)

  A = 9t² +27t +18

and the rate of change of area is given by its derivative with respect to t:

  A' = 18t +27

When t=21, the value of this is ...

  A'(21) = 18·21 +27 = 405 . . . . cm²/s

3 0
3 years ago
Hello :) <br> Please help me solve this <br><br> Explain answer
Alborosie
I think the answer is c
7 0
3 years ago
12overx+7=13over X what's the answer
photoshop1234 [79]
12/x + 7 =13/x, where x is not 0;
<=> 12 + 7x = 13 <=> 7x = 1 <=> x = 1/7;
6 0
3 years ago
Read 2 more answers
If the radius of one of the semicircles is 7 meters, what is the perimeter of the figure?
Nataly [62]
Perimeter of Figure = Perimeter of 2 semicircles + Measures of two straight line

P = 2(πr) + 2*x

P = 2*3.14*7 + 2*13

P = 43.96 + 26

P = 69.96 m

In short, Your Answer would be: Option C

Hope this helps!
7 0
3 years ago
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