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Ludmilka [50]
4 years ago
12

2(m-3) +7 is less than 21. solve the enequality. (and help with the ones below it

Mathematics
1 answer:
dybincka [34]4 years ago
4 0
Is all in the picture

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Will award brainlyist! 15 pts!<br> Find the perimeter of the window to the nearest hundredth.
yawa3891 [41]

Answer:

7.71

Step-by-step explanation:

The diameter is 3, so the arc length is 180/360 * 3pi or 3pi/2. Now you add the 3 in the base, so it is 3pi/2 + 3 or approximately 7.71 (I used a calculator for that).

3 0
3 years ago
Keith wentfor drive in his new car he drove for 86.4 miles at a speed of 54 mph for how many hours did he drive
Neporo4naja [7]
Answer is 1.6 hours
T=D/S
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1.6=86.4/54
(Hopes this helps)
7 0
4 years ago
HELP PLEASE Ahmet and Avril are playing in a seesaw. Ahmet weighs 78 Lbs. and Avril weighs 65 Lbs. If Avril is seated 5 ft from
horsena [70]

Answer:

For a balanced seesaw, we have the following proportion:

r1/r2 = W2/W1

r1 = distance Jo is seated from center

W1 = Jo's weight = 65 lb

r2 = distance Tim is seated from center = 6 ft

W2 = Tim's weight = 78 lb

Plug in the numbers and solve for r1.

Step-by-step explanation:

7 0
3 years ago
3x^2-6x+8=0 which of the followig correctly shows the quadratic formula for the given equation
kodGreya [7K]
Sub values a=3 b=-6 c=8 in quadratic formula and solve for x

6 0
4 years ago
What are the vertices of AA'B'C'if AABC is dilated by a scale factor of 3?
Juli2301 [7.4K]

Answer:

B

Step-by-step explanation: dilated means get bigger so (0,10) times 3 is (0,30) and (8,6) times 3 is (24,18) and (4,2) times 3 is (12,6)

pls mark me branliest

5 0
3 years ago
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