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Luba_88 [7]
3 years ago
10

A rectangle has an area of (x2 - 17x + 72) square units. Since the area of a rectangle is determined using the formula, A =

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
8 0

Answer:

length = (x − 8) units and width = (x − 9) units

ANSWER= A

Step-by-step explanation:

JUST TOOK THE TEST

Allushta [10]3 years ago
4 0

Answer:

Step-by-step explanation:

x² - 17x + 72 = 0

Sum = -17

Product  = 72

Factor = 8 , 9

x² - 17x + 72 = 0

x² - 8x -9x + (-8)*(-9) = 0

x(x - 8) -9(x -8) = 0

(x - 8 ) (x - 9) = 0

Length = (x - 8) units

Width = (x - 9) units

You might be interested in
108 - 271 + 215-_____= -103
kupik [55]
108-271+215-_____=-103
Im going to combine the first thee numbers and replace the blank with a variable, lets use x. 
52 - x=-103
now I am going to subtract 52 on both sides to get the variable alone
-x=-155
Im going to multiply both sides to eliminate the negitive in the variable
x=155
If you want to check just plug 155 into the blank
108-271+215-155=-103
-163+215-155=-103
52-155=-103
-103=-103

so after checking work the blank is equal to 155.


5 0
3 years ago
Pleease help me to answer this question
cricket20 [7]

Answer:a 2 5 8 11 14

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Ms. Lin’s son likes to lift weights. He was lifting 125 pounds last year. This year he can lift 35 more pounds. How much weight
katrin [286]

Answer:

He can lift 160 pounds

Step-by-step explanation:

125 (from last year) + 35 (more pounds) = 160 (total pounds)

125 + 35 = 160

5 0
3 years ago
Can someone help me in this question
BlackZzzverrR [31]

Answer:

The average speed of the athlete for the entire competition is approximately 21.23 km/hr

Step-by-step explanation:

The given parameters of the athlete performance in the triathlon are;

The length the athlete swims = 750 m = 0.75 km

The time the athletes spends swimming = 15 minutes = 0.25 hours

The speed with which the athlete cycles = 40 km/hr.

The time the athletes spends while cycling = 30 minutes = 0.5 hours

The distance the athlete ran = 5 km

The average speed with which the athlete ran = 3 m/s = 10.8 km/hr.

The formula for average speed, s is Average speed = Total distance/(Total time)

The distance, ∑d, the athlete covered in the entire competition is given as follows;

∑d = 0.75 km + 0.5 hr. × 40 km/hr. + 5 km = 0.75 km + 20 km + 5 km = 25.75 km

The distance, ∑t, the athlete spends in the entire competition is given as follows;

∑t = 0.25 hr. + 0.5 hr. + 5 km/(10.8 km/hr.) = 0.25 hr. + 0.5 hr. + 0.463 hr. ≈ 1.213 hr.;

Therefore;

The average speed of the athlete for the entire competition, s = ∑d/∑t = 25.75 km/(1.213 hr.) ≈ 21.23 km/hr.

6 0
3 years ago
How do know what the perimeter is and how to solve it
oee [108]
The perimeter is all the sides added up.

s1+s2+s3+s4= p

So, 12+ 6+ 8+ 17= the perimeter.

12+6+8+17 = 43

The answer is 43.

I hope this helps!
~cupcake
8 0
3 years ago
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