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elixir [45]
3 years ago
15

two submarines, one red and one blue, started rising toward the surface at the same time.they each rose at a constant speed. the

red submarine started rising from an altitude of 80 meters below the surface.after 30 seconds it was 60 meters below the surface.The following equation gives the altitude (in meters relative to the surface) of the blue submarine as a function of time (in seconds) A=-90+0.6t
Mathematics
1 answer:
Mnenie [13.5K]3 years ago
6 0

I NEED A BIT MORE DETAIL LOL

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A donut shop made 12 dozen donuts to give to a school’s math club.
stepan [7]

Answer:

d=doughnuts

x=students in math club

1 dozen = 12d

/ = divided by

. = multiply

(12.12)/x=

4 0
3 years ago
Select the expressions that are equivalent to 12n - 8. Select all that apply.
morpeh [17]

A.3n+4+3n+4+4n

=3n+3n+4n+4+4

=10n+8

B.11n+4+n-12

=11n+n+4-12

=12n-8

C.6(6n-2)

=36n-12

D.4(3n-2)

=12n-8

E.4n+22-12+8n

=4n+8n+22-12

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so,B and D are the expressions that are equivalent to 12n-8.

3 0
2 years ago
Mrs. Johnson walks 16 miles in 4 hours.
Irina-Kira [14]
I think the answer is no
3 0
3 years ago
Identify the ordered pair that represents the vector from A(-8,-1) to B(-5,3) and the magnitude of vector AB.
wel
In order to find the vector that points from A to B we need to subtract each component of A from the corresponding component of B, according to the formula: v(a→b)=(b1−a1,b2−a2) In this case we have : v(a→b)=(−5−(−8),3−(−1)) <span>v(a→b)=(3,4)

</span>To find the magnitude we use the formula: ||v|=  √(v1^2)+(v1^2)

So:
||v|= √(32)+(42) ||v|=  √9+16 ||v|= <span>√</span>25  ||v|= 5
8 0
3 years ago
Write the equation of the line that is PARALLEL to y = -4x + 5 and passes through the point (-2,-1)
Salsk061 [2.6K]

Answer: y    = -4x-9

Step-by-step explanation:

parallel slope means it's the same slope as the given equation

y+1=-4(x+2)

y+1 = -4x-8

y    = -4x-9

6 0
3 years ago
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