3x - 2y + 5z = 2
4x - 7y - z = 19
5x - 6y + 4z =13

Answers

Answer 1
(x=1) (y= -2) (z= -1)

Related Questions

convert 0.25 to percent

Answers

Answer

25%

Step-by-step explanation:

Answer:

25%

Step-by-step explanation:

We can make the number 1.00 as 100%. We have to figure out how many times 0.25 goes into 1.00. 0.25 goes into 1.00 4 times. Now, we can divide 100 by 4 to get 25%

Hope this Helps!!! :)

Let me know in the comments if the answer was perfect or if I should change anything!!!

The closing amount of the Dow Jones Industrial Average on the stock market for four days is shown in the table below.

Date
Closing amount (in points)
01/27
13,895.98
01/28
13,881.93
01/29
13,954.4
01/30
13,860.42

Which best represents the greatest amount of change that took place from one day to the next day over the four-day period?
a loss of 93.98 points
a loss of 72.47 points
a gain of 72.47 points
a gain of 93.98 points

Answers

Answer:

The first option

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

10 apples for $3.50. How much is the cost per apple? *

Answers

Answer:

$0.35

Step-by-step explanation:

3.50÷10=0.35

35 cents per apple
10x.35=3.50

The price of the original shirt is $45, it is reduced to $32.50. Calculate the percentage decrease. Show your workings.

Answers

Answer:

The percent decrease in the price of shirt is 27.78%

Step-by-step explanation:

The percent decrease is the decrease in the price of a product or good.

Given

Original Price = $45

Decreased price = $32.50

Percentage decrease is calculated by using the formula

[tex]Percentage\ decrease = \frac{decrease}{Original\ price} *100\\[/tex]

And the decrease is calculated as:

[tex]Decrease = Original\ price - Reduced\ price[/tex]

So,

[tex]Decrease = 45-32.50 = 12.5[/tex]

Putting the values in the formula for percent decrease

[tex]Percent\ decrease = \frac{12.50}{45} *100\\=0.2777..*100\\= 27.77..[/tex]

Rounding off to nearest hundredth: 27.78%

Hence

The percent decrease in the price of shirt is 27.78%

HELP THIS IS THE 5TH TIME I POSTED THIS BRUH

Answers

Answer:

it's blurry all i see is pixels...

i'll help if you send me a picture...

Step-by-step explanation:

I said I would give away all my points. So here take them. Here's the last 39.

Answers

Answer:

thx REEEEEEE HIT OR MISS I GUESS THEY NEVER MISS HUH??

Answer:

im srroy for u

Step-by-step explanation:

What is -1 2/5 - (-1/5)?​

Answers

Answer:

-1 1/5

Hope this helped!

Also I would really appreciate it if you made me the brainliest! :D

the simple interest on a certain sum of money for 2(1/2) years at 12% per annum is Rs.40




Answers

Step-by-step explanation:

[tex] si = p \times \frac{r}{100} \times t[/tex]

[tex]si = 40 \times \frac{12}{100} \times \frac{5}{2}[/tex]

[tex]si = \frac{40 \times 12 \times 5}{100 \times 2} [/tex]

[tex]si = \frac{4 \times 12 \times 5}{10 \times 2} [/tex]

[tex]si = \frac{4 \times 12 }{5\times 2} [/tex]

[tex]si = \frac{2 \times 12}{5} [/tex]

[tex]si = \frac{24}{5} [/tex]

[tex]si = 4.8[/tex]

Which point is a solution to the inequality shown in this graph?

Answers

Answer:

D

Step-by-step explanation:

It is on the line so it is a solution, hope this helps

Answer:

i think its c not sure tho

Step-by-step explanation:

Suppose that you have four bags of stones
and four extra stones. In total, you have 28
stones. Each bag has the same number of
stones. How many stones are in each bag?

Answers

Answer:

7

Step-by-step explanation:

28 divided by 4= 7

4 pt = __ c

28 qt = __ gal

Answers

Answer: 4 pt= 8c

             28 qt= 7 gal

Step-by-step explanation: To convert from pints to cups, multiply by 2. To convert from quarts to gallons, divide by 4.

Answer:

4pt = 8 c

28 qt = 7 gal

Step-by-step explanation:

There is 2 c each pt and 4 qt each gallon so by knowing this we get the answer.

elton is a candle maker each 15 cm long candle he makes burns evenly for 6 hours

if elton makes a 45 cm long candle how long would it burn?


PLSSSSS HELP ME WITH THIS

Answers

15cm = 6 hours

45cm = 18 hours

Answer : 18 hours
The answer is 18 hours.

15/45 = 3 , 6 • 3 = 18 hours

The number of pages that Alan Kevin Roneisha and ben Can’t read in a day as shown below Alan read 15% of his 56 page book Kevin read 12% of his 64 page book Roneisha Read 16% of his 42 page book been read 10% of his 72 page book who can read the greatest number of pages in a day

Answers

Alan reads the most amount of pages

Alan = 8.4 pages per day

Kevin = 7.68 pages per day

Roneisha: = 6.72 pages per day

Ben: = 7.2 pages per day

Comparing all of these Alan reads the most.

Hi people my question is amazing

Answers

Answer:

c, if wrong sorry

Step-by-step explanation:

Which one is greater 26% or 0.3

Answers

Answer:

0.3 is greater

Step-by-step explanation:

The only way to compare these is to get them into the same format. Then, we will see which is larger. The way to convert a decimal to a percent is to move the decimal 2 places to the right.

0.3 = 30%

30% > 26%

the sum of 3 and x is equal to 10

Answers

If the sum of 3 and z is equal to 10 then x equals 7.

Answer: x = 7

Step-by-step explanation:

3 + x = 10

-3        -3

  x = 7

What is the image of (-6, 7) after a reflection over the x-axis?

Answers

Answer:

on reflection on x axis

P(x,y) = P' (x, -y)

so

(-6, 7) = (-6, -7)

Step-by-step explanation:

draw like this .
................

Answers

Answer:

im sorry what ???

Step-by-step explanation:

i cant draw like that i only have 2 hands :(

-(5x –4) = 49 a.x = -9 b.x = -8 c.x = 9 d.x = 8 HELPPPPPPPP

Answers

Answer:

x = - 9

Step-by-step explanation:

Given

- (5x - 4) = 49 ← distribute the parenthesis by - 1

- 5x + 4 = 49 ( subtract 4 from both sides )

- 5x = 45 ( divide both sides by - 5 )

x = - 9

Can anyone help me with this! I’ve done most of it but I don’t know weather it’s correct or not!!!

Answers

Answer:

1)+infinity

Step-by-step explanation:

can someone please help me please and thank you. with both of them i need a math genius I'll mark you brainliest​

Answers

Answer:

The first one is $41,400. The second one is 3,600,000 acres.

Step-by-step explanation:

The first one is $41,400 and the second one hold up let me check

6(3x+4)-4(2x-6)-8x

explain step by step​

Answers

Answer:

The answer is 2x+48

Step-by-step explanation:

1: Distribute

6(3x+4)-4(2x-6)-8x

18x + 24 - 4(2x-6)-8x

2: Distribute

18x + 24 - 4(2x-6)-8x

18x + 24 - 8x + 24 - 8x

3: Add the numbers

18x + 24 - 8x + 24 - 8x

18x + 48 - 8x - 8x

4: Combine like terms

18x + 48 - 8x - 8x

2x+48

Solution:

2x+48

The curve with equation y = x^2 + ax + 3 has a stationary point when x = 4. Find a.

Answers

Answer:

Step-by-step explanation:

y=x^2+ax+3

y=(4)^2+a(4)+3

y=16+4a+3

y=19+4a

y-19=4a

y-19/4=a

a=y-4.75

3. Combine like terms:
14 + 3 + 2c -20c

Solve for x:
x - 12= 20

Answers

Answer:

-18c + 17

x = 32

Translate the phrase into a numerical expression. One hundred divided by the quantity three times five StartFraction 100 over (3) (5) EndFraction StartFraction (3) (5) over 100 EndFraction StartFraction (100) (3) over 5 EndFraction StartFraction (100) (5) over 3 EndFraction

Answers

Answer:

StartFraction 100 over (3) (5) EndFraction = 100/(3)(5)

Step-by-step explanation:

Translate the phrase into a numerical expression. One hundred divided by the quantity three times five

From the question above:

The quantity three times five = (3)(5)

Hence, the phrase: One hundred divided by the quantity three times five is expressed mathematically as:

100÷ (3)(5)

= 100/(3)(5)

= StartFraction 100 over (3) (5) EndFraction

Answer:

a

Step-by-step explanation:

CAN YOU HELP ME PLEASE

Answers

Answer:

A

Step-by-step explanation:

please help! will give brainliest and please answer seriously
the diameter of a circle is given. find the radius

Answers

Answer:

13. r = 7.5cm

14. r = 3.25in

15. r = 1.5 ft

16. r = 4m

Step-by-step explanation:

d/2 = r

Divide the diameter by 2 to get the radius

Answer:

Hey buddy, here is your answer. Hope it helps you .

Step-by-step explanation:

13. Radius= diameter/2

= 15/2

= 7.5cm

14. 6.5/2

= 3.25 in.

15. 3/2

=1.5 ft

16. 8/2

=4 m

will give brainliest

Answers

Answer:

It is proportional with A.

Step-by-step explanation:

Help with this problem

Answers

Answer:

AB = 4 BC = 2 AC= 2√5

Step-by-step explanation:

Hope this helps!

answerrr the question please xx

Answers

Answer:

2

Step-by-step explanation:

one vertically and one horizontally

The answer is 2
Sorry if wrong
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