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aev [14]
3 years ago
7

A teacher can grade 30 papers in 6 minutes and 100 papers in 20 minutes what is the rate of change

Mathematics
1 answer:
mr Goodwill [35]3 years ago
3 0

Answer:

70

Step-by-step explanation i subtracted but im not good at math so dont take my word for it

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30 points for RIGHT ANSWER
juin [17]
The answer is 18 I’m pretty certain so D
8 0
2 years ago
Help me people please n thank you
arsen [322]

Answer:

the second one g(x){f(x)=x^(2)-2x-2

Step-by-step explanation:

hope this is right

4 0
3 years ago
Please help with this. I only need help with the first question I have the second one figured out,
lutik1710 [3]

Answer:

m∠WZX = 41°

Step-by-step explanation:

diagonals bisect angles and opposite angles are congruent

therefore, ∠WXY ≅ ∠WZY

∠WZY must equal [360 - 2(68)] ÷ 2 which equals 112°

If ∠WXZ = 71° then so does ∠XZY

Which means that ∠WZX must equal 112-71 which is 41°

6 0
3 years ago
Read 2 more answers
If a roasting is 600mm x 500mm how many 25cm cake time will fit on it?
nydimaria [60]
So assuming that 25cm is 25 square cm because you cannot have a 2 dimentional cake so

600mm by 500mm
to find the area, multiply legnth by width

mm=milimeters
cm=centimeters
this is in mm so
1cm=10mm
1mm=1/10cm
to convert from mm to cm, you divide by 10
we must divide by 10 first
legnth =600mm
600/10=60cm
legnth=60cm

width=500mm
500/10=50cm
width=50cm

area=60 times 50=3000 square cm or cm^2
so 3000 is the area
25 is the area of each cake
divide 3000 into 25 and find how many cakes will fit

3000/25=120

120 cakes will fit

3 0
3 years ago
If 200g of fat is used for 8 cakes, how much is used for 3 cakes?
Mrrafil [7]
200 divided by 8=25
25 x 3 <span>=75g</span>
3 0
3 years ago
Read 2 more answers
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