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fgiga [73]
3 years ago
7

Help for brainliest plz

Mathematics
2 answers:
Sholpan [36]3 years ago
5 0

Answer:

1. angle 4 = 129°

2. 60°, 60°, and 120°

3. I'll put it in the comments

Step-by-step explanation:

1. supplementary angles

2. equilateral triangle and supplementary angles

kotykmax [81]3 years ago
5 0
1. Angle 4 = 59
2. Angle 1 = 59, Angle 2 = 61, Angle 3 = 119
3. X = 6
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Their sum is − 1/3 and their difference is 18
Rina8888 [55]

Answer:x=53/6 and y=-55/6

Step-by-step explanation:

Let the first number x

Second number b y

Sum of the numbers x+y=-1/3

x-y=18

Solve simultaneously

Using elimination method

We get

2y=-55/3

y=-55/6

Substitute for y in equation 1

x+55/6=18

x=18-55/6

x=53/6

6 0
3 years ago
Suppose that F(x) = x3 and G(x) = -2x^3 - 7. Which statement best compares the graph of G(x) with the graph of F(x)?
Black_prince [1.1K]
Answer: Choice C) 
Stretched vertically, flipped over x axis, shifted 7 units down

------------------------------------------------

Explanation:

Going from y = x^3 to y = 2x^3 means the graph is pulled vertically so that each (x,y) point has the y coordinate that is doubled. Example: (1,1) turns into (1,2). If this applies to all the points, then the graph is stretched vertically by a factor of 2

Going from y = 2x^3 to y = -2x^3 flips the graph over the y axis. For example, the point (1,2) flips to (1,-2). The x coordinate stays the same with the y coordinate flipping in sign.

The last transformation is the shifting 7 units down which is taken care of by the "-7" tacked at the end. Essentially we subtract 7 from each y coordinate. Example: (1,-2) becomes (1,-9)

3 0
4 years ago
IWhat is the equation of a line that passes through the points (3, 6) and (8, 4)?
Rzqust [24]

Answer:

(x_1 =2, y_1 = 6), (x_2 = 2, y_2 = 4)

m =\frac{y_2 -y_1}{x_2 -x_1}

And replacing we got:

m=\frac{4-6}{8-3}= -\frac{2}{5}

And for this case we can use the first point to find the intercept like this:

6 = -\frac{2}{5}(3) +b

And solving we got:

b = 6 +\frac{6}{5}= \frac{36}{5}

And then the line equation would be given by:

y = -\frac{2}{5}x +\frac{36}{5}

Step-by-step explanation:

For this case we have the following two points given:

(x_1 =2, y_1 = 6), (x_2 = 2, y_2 = 4)

And for this case we want an equation for a line with the two points given by:

y = mx+b

Wher m is the slope and b the y intercept. We can find the slope with this formula:

m =\frac{y_2 -y_1}{x_2 -x_1}

And replacing we got:

m=\frac{4-6}{8-3}= -\frac{2}{5}

And for this case we can use the first point to find the intercept like this:

6 = -\frac{2}{5}(3) +b

And solving we got:

b = 6 +\frac{6}{5}= \frac{36}{5}

And then the line equation would be given by:

y = -\frac{2}{5}x +\frac{36}{5}

5 0
3 years ago
If 5/8ths is equal to $531.25 what is the remaining portion of the number.
Nimfa-mama [501]
5/8 = .625
531.25 / .625 = 850
850 - 531.25 = $318.75

7 0
3 years ago
Juan has gained weight since last year. He now weighs 8 pounds more than he had originally. Rashod lost 20 pounds from his origi
Nesterboy [21]

Answer:

Rashod

Step-by-step explanation:

Since all that matters is the weight change, not how much greater or less, we can see that 20 is bigger than 8, meaning that Rashod had a greater weight change

7 0
3 years ago
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