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boyakko [2]
3 years ago
10

How many triangles can be constructed with three angies, each measuring 63

Mathematics
2 answers:
Nookie1986 [14]3 years ago
6 0

Answer:

none A

Step-by-step explanation:

because sum of angles is 180 and 63 multiply by 3 will be 189

andre [41]3 years ago
4 0

Answer:

Three angles all equal is one equal triangle I pretty sure of this

Step-by-step explanation:

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Holly bought a sweater on sale for 38% off the original price. If she saved $67, what was the original price?
Leya [2.2K]

Answer:

If she saved 30% off the original price which is the same as saying she saved $18.00.  

 

That means $18.00 is 30% of the original price.  

 

Let x be original price of the sweater

 

.3x = 18

x= 18/.3

 

x= $60.00

Step-by-step explanation:

8 0
2 years ago
Consider the integral 8 (x2+1) dx 0 (a) Estimate the area under the curve using a left-hand sum with n = 4. 250 Is this sum an o
Leya [2.2K]

Answer:

  (a) 120 square units (underestimate)

  (b) 248 square units

Step-by-step explanation:

<u>(a) left sum</u>

See the attachment for a diagram of the areas being summed (in orange). This is the sum of the first 4 table values for f(x), each multiplied by 2 (the width of the rectangle). Quite clearly, the curve is above the rectangle for the entire interval, so the rectangle area underestimates the area under the curve.

  left sum = 2(1 + 5 + 17 + 37) = 2(60) = 120 . . . . square units

<u>(b) right sum</u>

The right sum is the sum of the last 4 table values for f(x), each multiplied by 2 (the width of the rectangle). This sum is ...

  right sum = 2(5 +17 + 37 +65) = 2(124) = 248 . . . . square units

3 0
3 years ago
Given points A (-5, 6) and B (7, -1), find: Distance, Midpoint, and Slope
a_sh-v [17]
We have that
<span>points A (-5, 6) and B (7, -1)

Part A)
find the distance
d=</span>√[(y2-y1)²+(x2-x1)²]-------> d=√[(-1-6)²+(7+5)²]----> d=√(49+144)
d=√193  units

Part B)
find the midpoint
ABx=(x1+x2)/2-----> (-5+7)/2-----> ABx=1
ABy=(y1+y2)/2-----> (-1+6)/2-----> ABy=2.5

the midpoint is (1,2.5)

Part C)
find the slope
m=(y2-y1)/(x2-x1)-----> m=(-1-6)/(7+5)--------> m=-7/12

the slope m=-7/12
4 0
3 years ago
Sarah, a self employed blogger, has adjusted gross earnings of $45,162 this year. Find the amount of social security and Medicar
maksim [4K]

Answer:

Social Security = 5600.09, Medicare = 1309.70

Step-by-step explanation:

8 0
3 years ago
Carl plans to invest $500 at 8.25% interest, compounded continuously. How long will it take the money to triple?
gogolik [260]
Use exponential growth equation.
8 0
3 years ago
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