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azamat
3 years ago
11

What are the solutions to x2 + 8x + 7 = 0?

Mathematics
1 answer:
Brut [27]3 years ago
7 0
Hoxiziizizitzizitzitxyxixyxoyxixixoy it it
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(15) Geometry Help plz
MakcuM [25]
X = measure of angle 1
y = measure of angle 2
z = measure of angle 3
w = measure of angle 4

Focus on the bottom triangle. The three angles add to 180 degrees
(angle 2) + (angle 3) + 116 = 180
y+z+116 = 180
y+z= 180-116
y+z= 64

Since we have the bottom triangle as isosceles, this means that y = z, so
y+z = 64
y+y = 64
2y = 64
y = 64/2
y = 32
making z = 32 as well

Similarly, angle 1 and angle 4 are 32 degrees because the 116 angle is opposite the top left-most angle, and congruent to this angle. In other words, the bottom triangle is a mirror image of the top triangle.

The figure is a rhombus because all four sides are the same length (as shown by the tickmarks)

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

Answer: 
This figure is a rhombus
All four angles (angle 1 through angle 4) are the same measure. They are each 32 degrees

6 0
3 years ago
Find the rate in the following problem. Round the answer to the nearest percent.
Anit [1.1K]

Answer: 75%

Step-by-step explanation:

150/200=.75

200 x .75=150

Now to turn .75 into a percent by moving the . over to the right two times.

75. or 75%



6 0
3 years ago
What can the intersection of a regular octagon and line segment be?
noname [10]

Answer:

See below

Step-by-step explanation:

Intersection of a regular octagon and a line segment can result in:

  • Triangle (ABC as example)
  • Quadrilateral (ABCD as example)
  • Pentagon (ABCDE as example)
  • Hexagon (ABCDEF as example)
  • Heptagon (ABCDEFG as example)

Refer to attached

8 0
3 years ago
Pyramid A is a square pyramid with a base side length of 14 inches and a height of 6 inches. Pyramid B has a volume of 3,136 cub
TiliK225 [7]

Answer:

800%

Step-by-step explanation:

The pyramid has a volume equal to (14)^2*(6/3)=392. The pyramid B is (3136)/(392)=8 times bigger than pyramid A. As a percentage, it's 800%

4 0
3 years ago
X - 3 = 7 pls help step by step explanation
PtichkaEL [24]

Answer:

x = 10

Step-by-step explanation:

First, to solve for x, you need to isolate the variable, meaning that it needs to be the only term on one side of the equation. To do this, we'll just cancel out the -3 by adding +3 on both sides of our equation.

x - 3 = 7

 +3    +3

x = 10

Leaving us with our answer, x = 10

Hope this helped :)

3 0
3 years ago
Read 2 more answers
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