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3 years ago

What’s is another solution of the equation x+y=7

Mathematics

1 answer:

astraxan [27]3 years ago

3 0

Here are a few solutions:

(0,7)

(1,6)

(2,5)

(3,4)

(4,3)

(5,2)

(6,1)

(7,0)

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3 years ago

Sam bought 86lbs of flour for his bakery. Every day he used the same amount of flour to make bakery items. After 10 days, Sam wa

kobusy [5.1K]

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4 0

3 years ago

Gary exercises 1. 75 hours on Mondays, Wednesdays, and Saturdays. How many weeks will it take Gary to exercise a total of 21 hou

zysi [14]

Gary will take to exercise a total of 21 hours in 4 weeks. And the equation will be 5.25x = 21.

<h3>What is the linear system?</h3>

A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.

Gary exercises 1.75 hours on Mondays, Wednesdays, and Saturdays.

So in a week, Gary exercises 5.25 hours.

She will take time to exercise 21 hours will be

Let she will take x week, then the equation will be

5.25x = 21

x = 4

More about the linear system link is given below.

brainly.com/question/20379472

7 0

3 years ago

Yasmin arrived home from play practice at 4:25 pm. The walk home took 15 minutes. Practice began 20 minutes after the final bell

Phoenix [80]

Answer:

The school ended at 3:20 pm.

Step-by-step explanation:

Given:

Time Yasmin arrived home =4:25 pm

Time to walk home = 15 mins;

Practice begins = 20 mins after final bell

Practice lasted for = half hour.

We need to find when did the school ended.

Solution:

First we will calculate the time for all the activities.

Time to walk home = 15 mins;

Practice begins = 20 mins after final bell

Practice lasted for = half hour.

Now we know that;

1 hour = 60 mins

half hour = $\frac{1}2}\times 60 = 30\ mins$

Practice lasted for = 30 mins.

Total Activity time = Time to walk home + Practice begins + Practice lasted for.

Total Activity time = $15 + 20 + 30 = 65\ mins$

Now we know that

60 mins = 1 hour

65 mins = 1 hour and 5 mins

Now we can say that;

Time at which school ended is equal to Time Yasmin arrived home minus Total Activity time.

So we will subtract 1 hour and 5 mins from 4:25 pm we get 3:20 pm.

Hence The school ended at 3:20 pm.

5 0

3 years ago

Read 2 more answers

Does the system have no solution?

kvv77 [185]

Answer:

$\mathrm{A)\:}-6$

Step-by-step explanation:

Notice that in the second equation, the coefficient of $y$ is $2$ times greater than in the first. Therefore, by making the coefficient of $x$ in the second equation $2$ times greater than in the first, it's impossible to only isolate one variable.

Therefore, when $a=-3\cdot 2=\fbox{-6}$ , there are no solutions to this system.

6 0

3 years ago