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BlackZzzverrR [31]
3 years ago
11

True or false concave polygon has all interior angles describe any angles less than 180 Degrees degrees??

Mathematics
1 answer:
Ugo [173]3 years ago
8 0

Answer:

true

Step-by-step explanation: In a concave polygon, each interior angle is less than 180°.

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A line with a slope -2 passes through the point (-1,4). Which equation represents this line in point-slope form?
sesenic [268]

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Answer:

  y-4 = -2(x+1)

Step-by-step explanation:

The point-slope equation of a line is ...

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

You have m = -2 and (h, k) = (-1, 4). Putting these numbers into the above form gives ...

  y -4 = -2(x +1)

7 0
3 years ago
The equations 8x +4y = 32 and 16x +12y = 72 represent the cost for lunch and dinner for a family eating out on vacation. If x is
Nookie1986 [14]

Answer:

There are 3 adults in the family.

Step-by-step explanation:

The equations 8x + 4y = 32 and 16x + 12y = 72 represent the cost of lunch and dinner for a family in which x is the number of adults and y is the number of children.

We have to find the number of adults or the value of x by solving these equations.

equations are 8x + 4y = 32 -------(1)

16x + 12y = 72 --------(2)

Now we will multiply equation 1 by 3 and subtract it by equation 2.

(16x + 12y) -3(8x + 4y) = 72 - 96

16x + 12y - 24x - 12y = -24

(16x - 24x) + (12y - 12y) = -24

-8x = - 24

8x = 24

x = 3

Therefore, there are 3 adults in the family.

8 0
3 years ago
What would be the third step in simplifying the expression 4 2 ÷ (2 · 9) + 5?
ludmilkaskok [199]
P
E
M
D
A
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okay since the first step is parenthesis, the next step would be exponents but you have none so you skip to multiplication, then you divide

divide is your answer
8 0
3 years ago
F(x)=(x+2)^3-4<br> What is the slope?
kipiarov [429]
Use the slope-intercept y=mx+b to find slope
Slope=m
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4 0
3 years ago
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Andrews [41]

Answer:

Its a function

Step-by-step explanation:

x cant be the same

7 0
2 years ago
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