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Diano4ka-milaya [45]
3 years ago
15

Plz need help its due today after class​

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
6 0
Im sure its to expand the brackets
these ‘( )’ cause im not sure what americans call brackets lol
zloy xaker [14]3 years ago
6 0

Answer:

WElp , Class is over now so.. Free Points .. YAY !! lolz

Step-by-step explanation:

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I dont understand this can someone help me
LiRa [457]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Solve the following pair of equations by elimination method: x+y=4, 2x+y=3​
allsm [11]

Answer:

x = 1

y = 5

Step-by-step explanation:

x + y = 4 __ (1)

2x + y = 3 __ (2)

equation (1) x 2, (2) x 1

2x + 2y = 8

2x + y = 3

0  + y = 5

y= 5 (ANS)

x + y = 4

x + 5 = 4

x = 5 - 4

x = 1 (ANS)

I HOPE MY ANSWER IS CORRECT IF NOT I APOLOGIZE.

5 0
2 years ago
Line a is perpendicular to line b. if the slope of line a is 1/8, what is the slope of line b
jenyasd209 [6]

Answer:

-8/1

Step-by-step explanation:

Perpendicular lines have opposite slopes., meaning the signs are opposite, and the numerator and denominator are flipped.

Here's another example:

If line a had a slope of 4/5, line b would have a slope of -5/4, if the lines are perpendicular.

8 0
2 years ago
1/4(1/3k+9)=6 step 1- 1/3k=15 step 2- 1/3k=15 step 3- k=5 find Olgas mistake step 1 step 2 steps 3 Olga did not make a mistake
shtirl [24]

Answer:

Step 3 contains error.

Step-by-step explanation:

The given equation is :

\dfrac{1}{4}(\dfrac{1}{3}k+9)=6

Step 1.

Cross multiplying,

(\dfrac{1}{3}k+9)=24

Step 2.

Subtract 9 from both sides

\dfrac{1}{3}k+9-9=24-9\\\\\dfrac{1}{3}k=15

Step 3.

Cross multiplying

k=15\times 3\\\\k=45

So, there is an error in step 3. The correct answer should be 45.

3 0
3 years ago
The expression 3(x - 9) is equivalent to....
MrMuchimi

Answer:

d

Step-by-step explanation:

3(x - 9)

3×x - 3×9

3(x) - 3(9)

3 0
3 years ago
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