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aleksley [76]
3 years ago
13

What is the answer for -(2n-b)=-2

Mathematics
1 answer:
Yuki888 [10]3 years ago
4 0

Answer:

b=2n−2

Step-by-step explanation:

Distribute -1 to every term in the parentheses:-2n+b=-2

Add 2n to isolate b

You might want to specify which variable you are solving for...

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What is the discriminating for 2x^2-7x+5<br> A.49<br> B.-9<br> C.9<br> D.40
otez555 [7]
Your answer would be C because you have to do B^2- 4(A)(B) 
the then u have to plug in and you will get C
7 0
3 years ago
HELP!! 25 POINTS!! don’t mind this sentence ansjjsjsjsjdjejejejekekekekekdjd
Vesna [10]

points: (1, 4), (2, 8), (3, 12), and (4, 16)

Step-by-step explanation:

just follow the table and plot the points

6 0
3 years ago
What is the answer to this? i can’t figure it out.
Svetach [21]

9514 1404 393

Answer:

  25 +0i

Step-by-step explanation:

The conjugate of a complex number is that number with the sign of the imaginary part reversed.

For z = -3+4i, its conjugate z* is -3-4i. The product of z and z* is ...

  (-3 +4i)(-3 -4i) = -3(-3 -4i) +4i(-3 -4i)

  = 9 +12i -12i -16i² = 9 +16 = 25

The real part of the product is 25; the imaginary part is 0.

  (-3 +4i)(-3 -4i) = 25 +0i

_____

You may have noticed that (z)(z*) = |z|², the sum of the squares of the real and imaginary parts. It is always a non-negative real number.

8 0
2 years ago
Use the net as an aid to compute the surface area of the triangular prism. A) 112 m2 B) 136 m2 C) 160 m2 D) 184 m2
Aloiza [94]

Answer:

136 m2 Option c

Step-by-step explanation:

136 m2

1 base = 6 × 7 = 42

2 sides = 2(7 × 5) = 70

2 triangles = 2(6 × 4

2

) = 24

SA = 42 + 70 + 24 = 136 m2

7 0
3 years ago
Read 2 more answers
3. A fast food restaurant has the following options for toppings on their hamburgers: mustard, ketchup, mayo, onions,
Hunter-Best [27]

Answer:

35

Step-by-step explanation:

Given that a fast food restaurant has the following options for toppings on their hamburgers: mustard, ketchup, mayo, onions,  pickles, lettuce, and tomato.

A customer can choose from these 7 options 4 different options in 7C4 ways

This is because order does not matter here

So we use combinations here

Total no of ways a customer choose four different toppings from these

options=7C4

=35

Answer is 35

7 0
3 years ago
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