2 years ago

Evaluate the expression 3 4/5x − 2 1/2 for x = −5.

Mathematics

1 answer:

Dafna11 [192]2 years ago

4 0

Answer:

Step-by-step explanation: subscribe to my channel plz trying to blow up channel- dav slayer

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How do you solve these two questions and what are the answers?

Sphinxa [80]

Answer:

a) -6/2

b) -9/2

Step-by-step explanation:

a) rearrange by making y the subject as y = mx+c

y = -6/2x-9/2

the gradient = -6/2

b) c is the y-intercept as it touch the y-axis, therefore -9/2 is where the line crosses the y-axis

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1 year ago

Any number divisible by 5 is divisible by 10 ?

Inessa05 [86]

Answer:

Yes , the number should be even and divisible by 5 and then it can be divisible by 10 as well

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2 years ago

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Solve by elimination 3x - 2y = 4 x+4y=34

Xelga [282]

Answer:

x= 6

y= 7

Step-by-step explanation:

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3 years ago

Please help 23 - 7 3/5

kompoz [17]

Answer:15 2/5

Step-by-step explanation:

23 - 7 = 16

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2 years ago

4. 9d - 5 = 4 What does d = 5. 6-3w=-27 what does w = 6. -4= q/8-19 what does q =

trapecia [35]

Answer:

4) d = 1

5) w = 11

6) q = 120

Step-by-step explanation:

4) $9d - 5 = 4$

Adding 5 on both the sides ,

$= > 9d - 5 + 5 = 4 + 5$

$= > 9d = 9$

Dividing both the sides by 9 ,

$= > \frac{9d}{9} = \frac{9}{9}$

$= > d = 1$

5) $6 - 3w = - 27$

Substracting 6 from both the sides ,

$6 - 3w - 6 = - 27 - 6$

$= > - 3w = - 33$

Dividing both the sides by -3 ,

$= > \frac{ - 3w}{ - 3} = \frac{ - 33}{ - 3}$

$= > w = 11$

6) $- 4 = \frac{q}{8} - 19$

Adding 19 on both the sides ,

$\frac{q}{8} - 19 + 19 = - 4 + 19$

$= > \frac{q}{8} = 15$

Multiplying both the sides by 8 ,

$= > \frac{q}{8} \times 8 = 15 \times 8$

$= > q = 120$

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2 years ago