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Doss [256]
3 years ago
11

Pleaseee helpppp Please!!!

Mathematics
2 answers:
AfilCa [17]3 years ago
6 0
All you have to do is convert the boxed ones into positive because anything between |x| is always positive! It can’t be negative. That’s the rule.

kotykmax [81]3 years ago
6 0

Answer:

30:18

31:0

32:25

33:2+13=15

34:20-17=3

35:16-5=11

Step-by-step explanation:

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(4y-4)=(10x+65) answer please?
icang [17]

Answer:

Step-by-step explanation:

4y-4=10x+65, this can be expressed in many ways...

4y-10x-4-65=0

4y-10x-69=0 or

4y=10x+69

y=(10x+69)/4

3 0
2 years ago
Four more than twice Kai’s age does not equal Kara’s age. If Kara is 15 years old, find Kai’s age. Let k = Kai's age.
Cloud [144]
Just -4 to 15 and the divide
7 0
3 years ago
Read 2 more answers
A spherical hot air balloon has a diameter of 55 feet when the balloon is inflated the radius increases at a rate of 1.5 feet pe
Nuetrik [128]

Answer: 46.90mins

Step-by-step explanation:

The given data:

The diameter of the balloon = 55 feet

The rate of increase of the radius of the balloon when inflated = 1.5 feet/min.

Solution:

dr/dt = 1.5 feet per minute = 1.5 ft/min

V = 4/3·π·r³

The maximum volume of the balloon

= 4/3 × 3.14 × 55³

= 696556.67 ft³

When the volume 2/3 the maximum volume

= 2/3 × 696556.67 ft³

= 464371.11 ft³

The radius, r₂ at the point is

= 4/3·π·r₂³

= 464371.11 ft³

r₂³ = 464371.11 ft³ × 3/4

= 348278.33 ft³

348278.333333

r₂ = ∛(348278.33 ft³) ≈ 70.36 ft

The time for the radius to increase to the above length = Length/(Rate of increase of length of the radius)

The time for the radius to increase to the

above length

Time taken for the radius to increase the length.

= is 70.369 ft/(1.5 ft/min)

= 46.90 minutes

46.90mins is the time taken to inflate the balloon.

5 0
3 years ago
4+(−123). Write your answer as a fraction in simplest form.
Leviafan [203]

Answer:

-119

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Tim Has 480 Pokemon cards in his collection, which he arranges in his album. Each page of his album holds 12 cards. The album ha
Feliz [49]
480/12=40 then 40-35=5 5x12=60 60 cards left
7 0
3 years ago
Read 2 more answers
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