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Eva8 [605]
3 years ago
8

A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (-4, 1), (1, 1), and (1, -11). What

is the perimeter of the triangle? A.) 30 B.) 25 C).18 D.) 17
Mathematics
1 answer:
Jlenok [28]3 years ago
3 0
The answer is 30. hope it will help you.
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andre [41]
I’m not really sure but I would say c
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2 years ago
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A field test for a new exam was given to randomly selected seniors. The exams were graded, and the sample mean and sample standa
Naya [18.7K]
The 90% confidence interval is (70 - 4, 70 + 4). The margin of error is 4%.
4 0
3 years ago
7 times the number of cookies in the jar plus 5 more from the tray is 54. How many cookies are in the jar?
Digiron [165]

Answer:

The number of cookies in the jar is 7.

If we include the 5 cookies from the tray in the jar the total number of cookies would be 5 + 7 = 12

Step-by-step explanation:

<em>Consider the number of cookies in the jar as 'x'. Hence the equation formed would be:-</em>

7(x) + 5 = 54

7x + 5 = 54

7x = 54 - 5

7x = 49

x = \frac{49}{7}

x = 7

The number of cookies in the jar is 7.

If we include the 5 cookies from the tray in the jar the total number of cookies would be 5 + 7 = 12

<em>Hope this helps.</em>

8 0
2 years ago
Exactly 120 tickets were sold for a concert. The tickets cost $12 each for adults, $10 each for seniors, and $6 each for childre
Gemiola [76]
A=adult tickets
c=chlderenticekts
s=sinior tickets

a=c

a+c+s=120
2a+s=120

total made is 1100
12a+6c+10s=1100
sub
a=c
12a+6a+10s=1100
add
18a+10s=1100

multiply first equation by -9 and add to other equation

-18a-9s=-1080
18a+10s=1100 +
0a+s=20

s=20
20 senior tickets were sold

answer is B
5 0
3 years ago
Can someone plz solve 2(2x -5) in distributive property
Reika [66]

Answer:

4x-10

Step-by-step explanation:

Multiply both by 2, 2x times 2 is 4x, and 5 times 2 is 10, so it becomes 4x-10.

3 0
2 years ago
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