Write an algibraic equasion for the word senentces - a number increased by 7.9 is 8.3

Mathematics

2 answers:

antoniya [11.8K]2 years ago

5 0

X+7.9=8.3 that is the answer.

Tasya [4]2 years ago

4 0

Answer:

y+7.9=8.3

Step-by-step explanation:

A number means any variable

Increased means the '+' sign

and since it's increased by 7.9 then that number goes on the other side of the '+' sign

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In a year, there are 4 months that have 30 days.

docker41 [41]

The ratio of the months with 30 days to the months with other than 30 days is 4 : 7.

<h3>Definition of ratio </h3>

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5 0

1 year ago

The Total Surface Area for the shape below is _________. (round to nearest tenth.)

gavmur [86]

Answer:

=193.2 cm

Step-by-step explanation:

Figure out the triangles first
Area= Base times Height divided by 2
first figure out one triangle A= (6)(5.2)/2 = 15.6 (brackets means times and the slash means divide
times it by 2 so you get the area of both triangles (15.6)(2)= 31.2
Now figure out the rectangles
Area= Base times Height
A=(6)(9) = 54
Then times it by 3 to get the area of all three triangles
(54)(3)= 162
Now add 162 and 31.2 and you get 193.2 cm