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Marina CMI [18]
3 years ago
9

A triangular pyramid and its net are shown. Rain uses the calculations below to conclude

Mathematics
1 answer:
Fynjy0 [20]3 years ago
7 0

Answer:

is correct, he determines it correctly, he solved it correctly, 238.5

Step-by-step explanation:

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Expand and simplify (2x−12)^2. Is this a special product?
Rom4ik [11]

Answer:

Step-by-step explanation:

(2x−12)^2 can be factored into 2^2*(x - 6)^2, which in turn becomes

4(x^2 - 12x + 36).  Yes, this is a special product of the form

(a - b)^2 = a^2 - 2ab + b^2.

8 0
2 years ago
FGH and HGJ form a linear pair. Find the measurement of the anglesif FGH=11x and HGJ+(6x-7)
horrorfan [7]

The angles are 121 and 59 degrees, respectively

<h3>How to determine the angles?</h3>

The given parameters are:

FGH = 11x

HGJ = 6x - 7

Linear pair angles add up to 180.

So, we have:

11x + 6x - 7 = 180

Evaluate the like terms

17x = 187

Divide both sides by 17

x = 11

Substitute x = 11 in FGH = 11x and HGJ = 6x - 7

FGH = 11 * 11=121

HGJ = 6 * 11 - 7 = 59

Hence, the angles are 121 and 59 degrees, respectively


Read more about linear pairs at

brainly.com/question/2065148

#SPJ1

7 0
2 years ago
Ms.Wooldridge walks laps around her pool for exercise each day. She walks at a constant rate of 30 seconds per lap. It takes her
nasty-shy [4]

Answer: it will take her 58 minutes to walk one mile.

Step-by-step explanation:

She walks at a constant rate of 30 seconds per lap and it takes her 46 steps to walk one full lap. It means that she walks 46 steps in 30 seconds.

If each step is approximately 1 foot, it means that the number of feet that she walks in 30 seconds is 46 feet.

1 foot = 0.000189 miles

Therefore, 46 feet would be

46 × 0.00189 = 0.008694 miles

Therefore, if she she walks 0.008694 miles in 30 seconds,

The time it will take her to walk 1 mile would be

30/0.008694 = 3450.66 seconds

Converting to minutes, it becomes

3450.66/60 = 58 minutes

7 0
3 years ago
X squared + 7 x equals -10
LenKa [72]
Hi there

x² + 7x = -10
x² + 7x + 10 = 0
Now, we can factor left side
(x+2)(x+5) = 0
Set factors equal to 0
x + 2 = 0 or x + 5 = 0
x = 0 - 2 or x = 0 - 5
x = -2 or x =-5


I hope that's help !

5 0
3 years ago
Test Scores. You are taking a math test in which items in part A are worth 10 points and items in part B are worth 15 points. It
Nina [5.8K]

Answer:

465 is the total points he got and he solved 14 in part A and 2 in part B

hope it helps you

mark me as brainlist

thank you

8 0
3 years ago
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