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Anna35 [415]
2 years ago
10

What is the discriminant of -2x to the power of 2 -x-1=0

Mathematics
1 answer:
Lorico [155]2 years ago
8 0
Uhhh 67904- 67903-iwbisbeus e
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The slope of the line that passes through the points (3,14) and (7,9) is
Akimi4 [234]

Answer:

m = -1.25

Step-by-step explanation:

Slope =  (Y2-Y1)  =  (9-14)  =  (-5)  = -1.25

              (X2-X1)      (7-3)       (4)

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6 0
2 years ago
Which equation demonstrates the multiplicative identity property?
dedylja [7]

Answer: Further explanation

There are several number operations that involve multiplication:

1. commutative

2. associative

3. closed

Multiplication between integers will produce integers too

4. distributive property

* addition

* substraction

5. identity

The multiplicative identity property is a multiplicative property in mathematics where each number multiplied by 1 will produce the original number or can be stated simply  :

"The product of any number and one is that number"

So The Multiplicative Identity is 1

can be stated in the formula:

From the available answer choices

a) (- 3 + 5i) + 0 = -3 + 5i

this is an addition operation and not multiplication while O is an identity in the sum operation, so the statement is false

b) (-3 + 5i) (1) = -3 + 5i

this is a multiplication operation and 1 is a Multiplicative Identity of multiplication, so the statement is true

c) (-3 + 5i) (-3 + 5i) = -16-30i

d) (-3 + 5i) (-3 + 5i) = 16 + 30i

choice c and is a multiplication factor, so the statement is false

Step-by-step explanation:

5 0
3 years ago
What is the area and perimeter of this triangle
Fynjy0 [20]

Answer:

P= 221cm

A=2044

Step-by-step explanation:

Perimeter : add all sides so 73+92+56= 221 cm

Area: 73(56/2)= 2044

7 0
3 years ago
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4/7 x ? = 16<br><br> Can someone please explain step by step to get marked as brainliest
Len [333]

Answer:

28

Step-by-step explanation:

4 / 7 * x = 16

4 * x = 16 * 7

x = 4 * 7

x = 28

8 0
2 years ago
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Find the area. Round your answer to the nearest WHOLE NUMBER 8.2 **7cm (does someone know this one I keep getting the wrong answ
Natalija [7]

Answer:

8

Step-by-step explanation:

round your number to nearest whole number this means a number without decimals

5 0
3 years ago
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