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Leni [432]
3 years ago
11

If z is a positive integer, does 4+3(2z-5) represent a number that is greater than, less than, or equal to 2(3z-4)?

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Let us plug in 1 for z. Now we can solve both expressions. 4+3(2x1-5) and 2(3x1-4) and we get that the first expression is equal to -5, and the second expression is equal to -2. So the expression 4+3(2z-5) represents a number that is less than 2(3z-4).

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Andreas93 [3]

The GCF is 3. 9 is 3 and 3 ; 21 is 7 and 3

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3 years ago
I need halp PLSSSSS I’m confused
vfiekz [6]

Answer:

the answer is C (18:30)

Step-by-step explanation:

Each set of ratio in the table in simplest form is 3:5, and so is C.

6×3=18

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So, 18:30 in simplest form is 3:5

Hope this helps!

4 0
2 years ago
Use the discriminant to describe the roots of each equation. Then select the best description. 2m2 + 3 = m double root real and
Jlenok [28]

Answer:

The roots of the equation 2m²+3=m are non-real roots.

Step-by-step explanation:

Given equation:

2m²+3=m

2m²-m+3=0

Here, from the equation we can obtain the following values:

a = 2, b = -1, c = 3

Discriminant of an equation is given as:

D = b²-4ac

= (-1)²-4(2)(3)

= 1 - 21

= -20

Discriminant can tell what kinds of roots the equation have.

In our case, the discriminant is less than 0.

When D < 0, the roots of the equation are complex conjugates.(non-real)

8 0
3 years ago
Read 2 more answers
Help pls ill give extra points
Sergeu [11.5K]
I believe it is positive so option 2
7 0
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In the first three days of its launch, the Galaxy Music Store sold 14 CDs of album x, 8 of album y, and 6 of album z through Bra
WARRIOR [948]
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