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guapka [62]
2 years ago
13

Help i'll mark youuuuuuuuuuuuuu

Mathematics
1 answer:
almond37 [142]2 years ago
5 0

Answer:

A. 525 feet

Step-by-step explanation:

If every hour their altitude increased by 135 then their would be an increase of 675 (135 × 5) after 5 hours. To find their altitude 5 hours earlier then you would subtract 675 from their current altitude. 1,200-675=525 feet

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Which is equal to 7 X 8? O A. (6x8)+7 O B. (6x7) + 8 O C. (7x7)+7 D. ( 77) + 8​
astraxan [27]

Answer:

D. 77 + 8

Step-by-step explanation:

7 x 8 = 56

now try the other problems

A. 6 x 8 = 48

B. 6 x 7 = 42

C. 7 x 7 = 49

D. 77 + 8 = 56

D is the answer

6 0
3 years ago
Which statement does not use probability correctly to describe an event?
DerKrebs [107]

the answer is D because explosives dont know were to how to 11 D 7 but 2 do 57 people dont know were to do your welcome

6 0
3 years ago
Simplify using order of operations.Show all your work. 4^3 + (`10-8) divided by 2
Igoryamba

Answer:

<h2>65</h2>

Step-by-step explanation:

Use PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

------------------------------------------------------------------------

4^3+(10-8)\div2=64+2\div2=64+1=65

3 0
2 years ago
NEED HELP PLSSSS I DONT KNOW THE ANSWER
Lorico [155]

Answer:

[ 3 , ∞ ) Set-Builder Notation:

{ x | x ≥ 3 }

Step-by-step explanation:

7 0
3 years ago
The quadratic equation 2x^2 + bx + 18 = 0 has a double root. Find all possible values of b.
Doss [256]
When a quadratic equation ax^2+bx+c has a double root, the discriminant,
D=b^2-4ac=0
Here 
a=2,
b=b,
c=18
and 
D=b^2-4ac=b^2-4*2*18=0 
solve for b
b^2-144=0
=> b= &pm; sqrt(144)= &pm; 12

So in order that the given equation has double roots,  the possible values of b are &pm; 12.
4 0
3 years ago
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