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natta225 [31]
2 years ago
7

ANTHONY SURVEYED 320 STUDENTS AND FOUND OUT THAT 120 OF THEM HAVE A PET BASED ON THIS INFORMATION HOW MANY

Mathematics
1 answer:
lbvjy [14]2 years ago
6 0
I believe it would be 360 students.
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Determine the value of c so that f(x) is continuous on the entire real line when
mixer [17]

Answer:

A. -4

Step-by-step explanation:

Given the function f(x) = x + 3 for x ≤ -1 and 2x - c for x > -1, for the function to be continuous, the right hand limit of the function must be equal to its left hand limit.

For the left hand limit;

The function at the left hand occurs at x<-1

f-(x) = x+3

f-(-1) = -1+3

f-(-1) = 2

For the right hand limit, the function occurs at x>-1

f+(x) = 2x-c

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

f+(-1) = -2-c

For the function f(x) to be continuous on the entire real line at x = -1, then

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

On equating both sides:

2 = -2-c

Add 2 to both sides

2+2 = -2-c+2

4 =-c

Multiply both sides by minus.

-(-c) = -4

c = -4

Hence the value of c so that f(x) is continuous on the entire real line is -4

6 0
3 years ago
Lexi mailed a letter on Monday morning. The letter traveled 1/2 of a mile on Monday. It
BartSMP [9]

Answer:

1 1/4 miles

Step-by-step explanation:

3/4 + 2/4 (1/2 = 2/4) = 5/4 = 1 1/4

3 0
2 years ago
Read 2 more answers
F) The marked price of a radio is 25 % above the selling price and the cost pr
Ostrovityanka [42]

Answer:

See explanation below.

Step-by-step explanation:

Let's say, x represents the sale price of radio.

Then the marked price of the radio is 1.25x

The cost price of the radio is (1.25x)(0.70)

The discount is simply 25% because the radio is being sold at 25% less then the marked price.

The gain percent is given as:

\frac{x-1.25x\times \:0.70}{x}\times 100\\\\=12.5\%

The radio is being sold at 12.5% gain.

Best Regards!

8 0
3 years ago
Who already learned algebra ?
beks73 [17]
I did im in algebra 1 now


3 0
3 years ago
Read 2 more answers
6. You spent $1,400 on new furniture. The local furniture store allows you to make a down
Shtirlitz [24]

Answer:

Step-by-step explation: 1500-500=900 900/3=300 so 300 is your answer

7 0
3 years ago
Read 2 more answers
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