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Lina20 [59]
2 years ago
5

on their first three plays, the number of yards gained by a football team was -4, -7, and 2. find the total change in yards on t

hese tree plays.​
Mathematics
1 answer:
maria [59]2 years ago
7 0

Answer:

-9

Step-by-step explanation:

The answer is -9 because,

-4 + -7 = -11

Same sign, so you add the numbers and keep the sign.

-11 + 2 = -9

Different signs, subtract the problem. Keep the sign of the BIGGER number.

I hope this helps!

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if a sequence is defined recursively by f(0)=4 and f(n+1)= -3f(n+1)=-3f(n)+1 for n≥0, then f(3) is equal to? DESPERATELY NEED HE
muminat

f(3) is equal to -101.

<u>Step-by-step explanation</u>:

  • The sequence is followed by f(0)=4
  • The given expression is f(n+1)= -3f(n)+1

Put n=0,

f(0+1)= -3f(0)+1

f(1)= -3(4)+1

f(1)= -12+1 = -11

Put n=1,

f(1+1)= -3f(1)+1

f(2)= -3(-11)+1

f(2)= 33+1 = 34

Put n=2,

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

f(3)= -3(34)+1

f(3)= -102+1

f(3)= -101

5 0
3 years ago
The area of South America is approximately 1.78 × 107 square kilometers. Its population is approximately 3.50 × 108 people. What
stepladder [879]

Answer:

<u>A) 19.66 people/km²</u>

Step-by-step explanation:

<u>Given</u>

  • Area of the continent = 1.78 x 10⁷ km²
  • Population = 3.5 x 10⁸ people

<u>To Find</u>

  • Population Density

<u>Solving</u>

  • population density is the number of people per unit area
  • pd = people / area
  • pd = 3.5 x 10⁸ / 1.78 x 10⁷
  • pd = 1.966 x 10
  • pd = <u>19.66 people/km²</u>
6 0
2 years ago
the length and width of a rectangle are in the ratio 5:3. The perimeter of the rectangle is 32 cm. Find the length and width.
miss Akunina [59]
I hope this helps you

6 0
3 years ago
Identify the converse of the following conditional: If a point is in the first quadrant, then its coordinates are positive.
Vadim26 [7]
Answer: If the coordinates are positive, then the point is in the first quadrant

The converse has us swap the antecedent (first part) and the conclusion (second part) of the conditional. In symbolic notation we would have

Original: If P, then Q
Converse: If Q, then P
6 0
3 years ago
HELP NEEDED !<br> For 11 and 12 if you don’t know please don’t answer this is a benchmark
dalvyx [7]

Answer:

Step-by-step explanation:

11) Answer:

18,000 < Tickets Sold

12) Answer:

4 < Kids Absent

3 0
3 years ago
Read 2 more answers
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