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Inessa05 [86]
3 years ago
5

Use a graphing tool to solve the system. {13x+6y=−30x−2y=−4 Which ordered pair is the best estimate for the solution to the syst

em?

Mathematics
2 answers:
Gnoma [55]3 years ago
8 0
13x+6y = -30................y = -5 -13x/6
x−2y=−4...................... y = x/2 +2 <span>

If we graph both lines we can get the solution of the system (point of intersection)

The best estimate is (x,y) = (-2.625, 0.688)</span>

Kamila [148]3 years ago
5 0

Do not wory! I have the correct answer! "How do I have the correct answer" you ask. Because I did the quiz and got a 100%.


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Solve and will mark brainliest
Sergeu [11.5K]

There is a 60 minute gap between the two clocks.

These 60 minutes result of a 1 min advance in one for each hour and a 2 min loss in the other.

if we are going 2 mins back and 1 min in

We have a 3 min gap/hour

then to reach a 1 hour gap we would need to go for 2+1+2+1+2+1+2....(20 hours)

since each 3 represent an hour,

to get 60 min gap>60/3=20 hours

Take clock 1 for example, which read 12:00, in reality the time is (12:00-20 minutes)=11:40

or

Take clock 2 for example, which read 11:00, in reality the time is (11:00+20×2 minutes)=11:40

Now go back 20 hours from that;

11:40-20=00:40-9=15:40

There's ur answer 15:40 :)

7 0
2 years ago
22/7 divided by 11/44
Alecsey [184]
You swap the second number over.
then multiple the numbers instead.
22/7 x 44/11
22 x 44= 968
7 x 11 = 77
968/77 can be simplified to 12 14/77

Hope This Helps You
8 0
3 years ago
Read 2 more answers
Y = 3x + 13 <br> y = -2x - 22<br><br> substitution method show work <br><br> pls someone help quick
laiz [17]

Answer:

x = -7

Step-by-step explanation:

3x + 13 = -2x - 22

subtract 13 from both sides

3x = -2x - 35

Add 2x to both sides

5x = -35

Divide each side by 5

x = -7

5 0
3 years ago
Origin, one of the four characteristics of mapping rules, refers to _____. the use of a number that is not used again the use of
labwork [276]

Answer:

the use of a series of numbers with a unique origin indicated by the number zero.

Step-by-step explanation:

In Science, mapping experiment refers to an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).

This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.

Origin, one of the four characteristics of mapping rules, refers to the use of a series of numbers with a unique origin indicated by the number zero.

In Mathematics, the origin is generally chosen to start from zero on a graph that gives the relationship between two variables.

4 0
3 years ago
Round 34.4678 of to two decimals​
mina [271]

Answer:

34.47

Step-by-step explanation:

When you need to round it off to the second decimal, you must look at the 3rd decimal place.

In this case, it's 7. If it's a number greater than 5 or 5, you must round off to the next value and if it is less than 5 or 5.

Since it is 7 in the third decimal place, the answer would be 34.47

6 0
2 years ago
Read 2 more answers
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