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Grace [21]
3 years ago
6

Is step 3 correct or would I change 5/2 into a decimal?

Mathematics
2 answers:
Rzqust [24]3 years ago
8 0

Answer:

keep it man u will do ok just be careful with other problems

Step-by-step explanation:

I am Lyosha [343]3 years ago
6 0

Answer:

Good Job!!! You would keep it as a fraction. My teacher said to NEVER use decimals with problems like these.

Step-by-step explanation:

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The perimeter of the scalene triangle is 54.6 cm.
olchik [2.2K]

Answer:

b = 45.9 - c

Step-by-step explanation:

A scalene triangle has non of its sides equal.

Perimeter = 54.6

side a = 8.7 cm

side b = unknown

side c = unknown

Perimeter of a shape is sum of all its sides.

Perimeter = a + b + c

54.6 = 8.7 + b + c

Making b the subject

b = 54.6 - 8.7 - c

b = 45.9 - c

The value of b is (45.9 - c)

7 0
3 years ago
two similar cylinders have surface areas of 40pi square feet and 90pi. What is the ratio of the height of the large cylinders to
Sedbober [7]
The ratio of heights  = ratio of the square roots of the areas because area is 2 dimensional and height is one dimensional.

so required ratio is  sqrt 40pi :   =  sqrt40:sqrt80 =  sqrt1: sqrt2 = sqrt (1/2) = 0.7071  to 4 significant figures 
7 0
3 years ago
7). John had 9 pieces of gum at the
Dmitry_Shevchenko [17]

Answer:

9-1=8

Step-by-step explanation:

he started with 9 but at the end of the day he had 8. meaning he ate 1 peice

7 0
2 years ago
the radius of the base of a right cylinder is 12 cm and the height and the height of the cylinder is 18 cm. in terms of pi what
sladkih [1.3K]

Answer:

Step-by-step explanation:r=12cm,h=18cm,v=?

Vol. Of a cylinder=Πr²h

V= Π×12²×18

V= Π×144×18

V=2592Πcm³

7 0
3 years ago
Fixed expenses are expenses that do not change from month to month, and variable expenses are expenses that can fluctuate from m
notsponge [240]

Answer:

yes

Step-by-step explanation:

7 0
3 years ago
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