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aleksley [76]
3 years ago
10

Integer x is evenly divisible by 3. Which expression below is also evenly divisible by 3?

Mathematics
1 answer:
Yakvenalex [24]3 years ago
4 0
Hi! I’m not positive, but I believe it would be D., 6 is the only one that is evenly divided by 3. Once again I’m not positive, I’m only a middle schooler so.... yeah.
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Зу = -2 - 6<br> 3y = 2z - 6
aleksandrvk [35]

Answer:

y = -8/3, z = -1

5 0
3 years ago
50 POINTS REWARD!! <br> please answer all of the following questions correctly:
Pani-rosa [81]

\frac{3x-2}{x^{2}-2x-3}  -\frac{1}{x-3}

factorising the first denominator

x²-2x-3 = x² -3x+x-3 = (x+1)(x-3)

(a) \frac{3x-2}{(x+1)(x-3)} - \frac{1}{x-3}

finding LCD

(b) LCD of (x-3)(x+1) and (x-3) is (x-3)(x+1)

(c)

\frac{3x-2}{(x-3)(x+1)} -\frac{x+1}{(x-3)(x+1)}

(d)

\frac{3x-2-(x+1)}{(x-3)(x+1)}

\frac{3x-2-x-1}{(x-3)(x+1)}

\frac{2x-3}{(x-3)(x+1)}

5 0
3 years ago
Read 2 more answers
I accidentally pressed A
pav-90 [236]

Answer:

D 46x²+ 67x -16

Step-by-step explanation:

adding like terms

R1(x) + R2(x) = 16x²+52x-27 + 30x² + 15x + 11

total = 46x²+ 67x -16

6 0
3 years ago
I have been struggling at this please help
Taya2010 [7]

Answer:

21

Step-by-step explanation:

I shall change the pictures to letters

a + a + b = 40 --(1)

b - c = 7 --(2)

c + a = 19 --(3)

a - c + b = ?

From (1):

2a + b = 40

b = 40 - 2a --(4)

From (2):

b = 7 + c --(5)

Sub (4) into (5):

40 - 2a = 7 + c

c = 33 - 2a --(6)

Sub (6) into (3):

33 - 2a + a = 19

a = 14

Sub a = 14 into (4) and (6):

b = 40 - 2(14) = 12

c = 33 - 2(14) = 5

therefore, a - c + b = 14 - 5 + 12 = 21

Topic: simultaneous equations

If you would like to venture further into mathematics, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

5 0
3 years ago
The dwarf seahorse hippocampus zosterae swims at a rate of 52.68 feet per hour.convert this speed to ines per minute
DaniilM [7]

<h3>52.68 feet per hour = 10.536 inches per minutes</h3>

<h3>Further explanation</h3>

Acceleration is rate of change of velocity.

\large {\boxed {a = \frac{v - u}{t} } }

\large {\boxed {d = \frac{v + u}{2}~t } }

<em>a = acceleration ( m/s² )</em>

<em>v = final velocity ( m/s )</em>

<em>u = initial velocity ( m/s )</em>

<em>t = time taken ( s )</em>

<em>d = distance ( m )</em>

Let us now tackle the problem !

1 ~ foot = 30.48 ~ cm

1 ~ inch = 2.54 ~ cm

1 ~ foot = 12 ~ inches

\boxed {52.68 ~ feet = 52.68 \times 12 ~ inches = 632.16 ~ inches}

1 ~ day = 24 ~ hours

\boxed {1 ~ hour = 60 ~ minutes}

If the dwarf seahorse hippocampus zosterae swims at a rate of 52.68 feet per hour , then :

52.68 ~ feet/h = \frac{52.68 ~ feet}{1 ~ hour}

52.68 ~ feet/h = \frac{52.68 \times 12 ~ inches}{60 ~ minutes}

52.68 ~ feet/h = \frac{632.16 ~ inches}{60 ~ minutes}

\large {\boxed {52.68 ~ feet/h = 10.536 ~ inches/min} }

<h3>Learn more</h3>
  • Velocity of Runner : brainly.com/question/3813437
  • Kinetic Energy : brainly.com/question/692781
  • Acceleration : brainly.com/question/2283922
  • The Speed of Car : brainly.com/question/568302

<h3>Answer details</h3>

Grade: High School

Subject: Physics

Chapter: Kinematics

Keywords: Velocity , Driver , Car , Deceleration , Acceleration , Obstacle , Speed , Time , Rate

3 0
4 years ago
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