3 years ago

PLEASE HELP!! Thank you!!!!

Mathematics

1 answer:

SVEN [57.7K]3 years ago

6 0

Answer:

The answer to your question is

Step-by-step explanation:

Data

4x - 8y = -16 ------------ (I)

x - 2y = - 8 ------------ (II)

a) Solve equation II for x

x = 2y - 8

Substitute x in equation I

4(2y - 8) - 8y = -16

8y - 32 - 8y = -16

8y - 8y = 32 - 16

0 = 16 The system has no solution because y was

cancelled.

b) When a system of equations do not have solution means that the lines are parallels and different.

You might be interested in

A copy machine makes 84 copies in 3 minutes and 30 seconds. How many copies does it make per minute

lyudmila [28]

Answer:

Step-by-step explanation:

30 secs = 0.5 min

thus 84 / 3.5 min = 168 / 7 = 24

5 0

3 years ago

It takes an ant farm 6 days to consume 3/8 of an apple. (Show all work) At that rate, in how many days will the ant farm cons

Lana71 [14]

Answer: 48 days

Step-by-step explanation:

Given

Ant takes 6 days to consume $\dfrac{3}{8}$ of an apple

Using unitary method

$6\ \text{days}\rightarrow \quad \frac{3}{8}\ \text{of an apple}\\\\1\ \text{apple takes}\rightarrow \quad \frac{8}{3}\times 6=16\ \text{days}\\\\3\ \text{apples take}\rightarrow\quad 16\times3=48\ \text{days}$

6 0

3 years ago

Eric bought a canoe for $333.75. The sales tax was 5.25%. What was his total cost?

yan [13]

Answer:

333.80

Step-by-step explanation:

3 0

3 years ago

Find the unit rate.<br> 10 minutes for 2 songs<br> =<br> minutes per song

sladkih [1.3K]

Hi ;-)

10 minutes for 2 songs = 5 minutes per song

10 : 2 = 5

7 0

3 years ago

Read 2 more answers

The results of a recent survey of the students at Rockdale Middle School show that 17 out of every 22 students enjoy the cafeter

aalyn [17]

Answer:

80.5%

Step-by-step explanation:

Because 17/22 converted to a percent is 72% and 56 is not right so 80.5% must be the right choice.

5 0

2 years ago