A toddler takes off running down the sidewalk at 270 ft/min. One minute later, a worried mother runs after the child at 580 ft/min. After how many minutes will the mother overtake the toddler?

Answers

Answer 1
Answer: we know that in one minute the toddler is 2(270)=540 feet and mother is 580 so less than 1 minute

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Which equation shows an example of the associative property of addition? (–4 + i) + 4i = –4 + (i + 4i) (–4 + i) + 4i = 4i + (–4i + i) 4i × (–4i + i) = (4i – 4i) + (4i × i) (–4i + i) + 0 = (–4i + i)

Answers

(–4 + i) + 4i = –4 + (i + 4i) is the associative property of addition. Thus, option A is correct.

What is the associative property of addition?

According to the associative property of additionally, whenever at least three figures are added together, the outcome is unaffected by the sequence in which the individual numbers are added.

In the first given condition is is stated:

(–4 + i) + 4i  = –4 + (i + 4i)

-4 + i + 4i = -4 + i + 4i

5i - 4 = 5i - 4

As the LHS = RHS, the property is said to be valid for the associative property of addition.

Therefore, option A is the correct option.

Learn more about associative property of addition, here:

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Which equation shows an example of the associative property of addition?

(–4 + i) + 4i = –4 + (i + 4i)

(–4 + i) + 4i = 4i + (–4i + i)

4i × (–4i + i) = (4i – 4i) + (4i × i)

(–4i + i) + 0 = (–4i + i)

A. (–4 + i) + 4i = –4 + (i + 4i)

Step-by-step explanation:

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Identify all of the expressions that simplify to −7/8.2 1/2 ÷ -7/20
______________

-1 2/5÷ -1 3/5
_____________
4 ÷ −4 4/7
_____________
−7/10 ÷ 4/5

Show your work pls

Answers

5/2 ÷ 7/10
5/2 x 10/7
50/14; 25/7; Answer: 3 4/7

-7/5 ÷ -8/5
-7/5 x 5/8
-35/40
-(-35/40)
-(-7/8). Answer: 7/8


-7/10 x 5/4
-35/40
-7/8. Answer: -7/8


Hoped this helped

Negative X Plus 2y equals 6

Answers

plus x on bot sides. then divide both sides by 2 to get y by itself.

Jeremy drove from Portland to Miami. He determines that the expression 450x + 150 represents the distance in miles he traveled, where x is the number of days after the first day. Which statement describes correctly what the coefficient of x represents?

Answers

Answer:

The coefficient of x represents the number of miles driven each day.

Step-by-step explanation:

The coefficient of x is being multiplied by x, or the number of days. If the expression models the total distance travelled, then Jeremy drove 450 miles each day.

F(x)=x2+3x and g(x)=2x2, find (f ∘ g)(−1).?? ?//

Answers

Answer:

20

Step-by-step explanation:

f(x)=x2+3x and g(x)=2x2, find (f ∘ g)(−1)

f(x)= (-1)(2) +3 (-1)= -2+-3= -5

g(x)= 2 (-1)2= -4

(f ∘ g)= -5 x -4= 20

Which could be the first step in solving the equation represented by the model below?X X X x
II
O Add 4 negative unit tiles to both sides.
O Add 4 negative unit tiles to the left side, and add 6 negative unit tiles to the right side.
O Add 4 positive unit tiles to both sides.
O Add 6 negative unit tiles to the left side, and add 4 negative unit tiles to the right side.

Answers


O Add 6 negative unit tiles to the left side, and add 4 negative unit tiles to the right side.