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Vikki [24]
3 years ago
9

Transformati: 0,08 km. 0,3cm 0,77km. 0,05 cm. 8,32. 0,04hm. 2hm. 820m. 9,1mm. 92cm

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0

Answer:

Please, read the anserws below

Step-by-step explanation:

In order to transform all quantities to meters you take into account the following conversion factors:

\frac{1km}{1000m}\\\\\frac{100cm}{1m}\\\\\frac{1hm}{100m}\\\\\frac{1000mm}{1m}

THen, you have:

for 0,08km:

0,08km*\frac{1000m}{1km}=80m

for 0,3cm:

0,3cm*\frac{1m}{100cm}=0,003m

for 0,77km

0,77km*\frac{1000m}{1km}=770m

for 0,05cm:

0,05cm*\frac{1m}{100cm}=0,0005m

for 0,04hm:

0,04hm*\frac{100m}{1hm}=4m

for 2hm:

2hm*\frac{100m}{1hm}=200m

for 9,1mm:

9,1mm*\frac{1m}{1000mm}=0,0091m

for 92cm:

92cm*\frac{1m}{100cm}=0,92m

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3 years ago
The sum of two numbers is -17. Their difference is 41. Find the numbers.
Mnenie [13.5K]

Answer:

the two numbers are 12 and -29

Step-by-step explanation:

let the two numbers be x and y

let the sum of the two numbers b

x+y = -17 ..................................................... equation 1

let the difference between the two numbers be

x-y = 41 ........................................................................ equation 2

from equation 1

x+y = -17 ..................................................... equation 1

x = -17 - y ............................................................... equation 3

substitute for x in equation 2

x-y = 41 ........................................................................ equation 2

-17-y -y = 41

-17 -2y = 41

-2y = 41 + 17

-2y = 58

divide both sides by -2

-2y/-2 = 58/-2

y = -29

put the value of y = -29 in equation 3

x = -17 - y ............................................................... equation 3

x = -17-(-29)

x =-17 + 29

x = 12

therefore the two numbers are 12 and -29

5 0
3 years ago
I need help please and thanks
Akimi4 [234]
Perimeter of rectangle = all sides added
= 3+3+7+7 =20


volume of sphere = 4/3 x π x r(cubed)
= 4/3 x π X 4(cubed)
= 268.08257

area of triangle = base x height / 2
= 5 x 6 / 2
=30/2 =15

volume of pyramid = base height x base width x height / 3
= 300

side of triangle ---> use Pythagoras theorem so a(squared) + b (squared) = c(squared)
4(squared) + 3(squared) = c(squared)
16 + 9 = c(squared)
25 = c(squared)
c = 5


yw sis xoxoxo





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3 years ago
What fraction or whole number on the number line 1/9 closest to?
arlik [135]

Answer:

i dont understand either

Step-by-step explanation:none

8 0
3 years ago
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