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Marrrta [24]
2 years ago
6

-2- 3(7-k) =-4(2k-1)

Mathematics
1 answer:
Ivan2 years ago
7 0

Answer:

k=27/11

Step-by-step explanation:

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X² y² + y2 – 4x + 20y +55 =0<br> Center:<br> Radius:
netineya [11]

Answer:

ya

Step-by-step explanation:

22

4 0
2 years ago
I need help with this question on a math test
Tomtit [17]

large square: 144

Medium square: 100

small square: 9

3 0
3 years ago
The life of a certain brand of battery is normally distributed, with mean 128 hours and standard deviation 16 hours. What is the
Katyanochek1 [597]

Answer:

x = 100 is equivalent to z = -1.75

Step-by-step explanation:

7 0
3 years ago
The midpoint of is (14, 26). One endpoint of is A(32, 40). What are the coordinates of B?
cupoosta [38]
For x,
(32+x)/2=14
32+x=14*2
32+x=28
x=28-32
x=-4

For y,
(40+y)/2=26
40+y=26*2
40+y=52
y=52-40
y=12

Therefore coordinates of B(-4,12)
Hope this helps!
7 0
3 years ago
If 2 cups of ketchup= 1 cup of tomato sauce, then ____ cups of ketchup= 2.25 cups of tomato sauce.
SashulF [63]
We have an equation: 2/1= ?/2.25

Cross multiply:
1*?= 2*2.25
⇒ ?= 2*2.25= 4.5

The final answer is 4.5~
3 0
3 years ago
Read 2 more answers
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