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Law Incorporation [45]
2 years ago
9

NEED HELP WHATS THE ANSWERS FOR THESE 2

Mathematics
1 answer:
Maurinko [17]2 years ago
7 0
I believe the first on is -1 and the second one is NO SOLUTION
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John can create 3 apps in 6 weeks while Ben can do the same job in 2 weeks. How many weeks would it take them to create 10 apps
BARSIC [14]

Answer:

5 weeks.

Step-by-step explanation:

John can create 3 apps in 6 weeks, so his rate is (3 apps / 6 weeks) =  1/2 app per week.

Ben can do same job i.e. 3 apps in 2 weeks, so his rate is (3 apps / 2 weeks) = 3/2 app per week.

Their combined rate is (1/2 + 3/2) = 4/2 = 2 apps per week.

It means they together can create 2 apps in 1 week.

So, they together can create 10 apps in 5 weeks.

3 0
3 years ago
Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks.
EleoNora [17]

Answer:

The system of equation are \left \{ {{15+1x} \atop {3+5x}} \right..

In <u>3</u> weeks, the friends will each have passed <u>18</u> scales.

Step-by-step explanation:

Let number of weeks be 'x'.

Given:

Number of scale Pablo has passed = 15 scales

Number of scale Kayla has passed = 3 scales

Number of scales passing per week by Pablo = 1 scale

Number of scales passing per week by Kayla = 5 scale

We need find the number of weeks when both have same scales.

First we will find the Total number of scales Pablo will passed after 'x' weeks.

Total number of scales Pablo will passed after 'x' weeks is equal to sum of Number of scale Pablo has passed and Number of scales passing per week by Pablo multiplied by number of weeks.

framing in equation form we get;

Total number of scales Pablo will passed after 'x' weeks = 15+1x

Now we will find Total number of scales Kayla will passed after 'x' weeks.

Total number of scales Kayla will passed after 'x' weeks is equal to sum of Number of scale Kayla has passed and Number of scales passing per week by Kayla multiplied by number of weeks.

framing in equation form we get;

Total number of scales Kayla will passed after 'x' weeks = 3+5x

Hence the system of equation are \left \{ {{15+1x} \atop {3+5x}} \right..

Now we need to find the number of weeks when both have passed equal scales.

Hence we can say that;

Total number of scales Pablo will passed after 'x' weeks = Total number of scales Kayla will passed after 'x' weeks

Substituting the value we get;

15+1x=3+5x

On Solving the equation we get;

Combining like terms first;

5x-x=15-3\\\\4x=12

Now by Division property dividing both side by 4 we  get;

\frac{4x}{4}=\frac{12}{4} \\\\x=3 \ weeks

Now we will find the total scales passed by each after 3 weeks;

Total number of scales Pablo will passed after 3 weeks = 15+x=15+3 = 18 \ scales

Total number of scales Kayla will passed after 3 weeks = 3+5x=3+5\times3 = 18 \ scales

Hence: In <u>3</u> weeks, the friends will each have passed <u>18</u> scales.

4 0
2 years ago
Plz Help fast!!
bogdanovich [222]
The answer is B

Hope this helps :)
4 0
3 years ago
Read 2 more answers
I need help asap please!
Sunny_sXe [5.5K]

Answer:

Check the attachment as solved.

brainliest please ;)

5 0
3 years ago
Write an equation with a slope of -1/2 in each form.<br> point-slope form<br> slope-intercept form.
Evgen [1.6K]

For the case of a line through

(

2

,

7

)

and

(

1

,

−

4

)

we have

slope

m

=

Δ

y

Δ

x

=

−

4

−

7

1

−

2

=

−

11

−

1

=

11

Using the point

(

2

,

7

)

we can write the equation of the line in point slope form as:

y

−

7

=

m

(

x

−

2

)

where the slope

m

=

11

.

That is:

y

−

7

=

11

(

x

−

2

)

To get point intercept form, first expand the right hand side so...

y

−

7

=

11

x

−

(

11

⋅

2

)

=

11

x

−

22

Then add

7

to both sides to get:

y

=

11

x

−

15

=

11

x

+

(

−

15

)

This is point intercept (

y

=

m

x

+

c

) form with slope

m

=

11

and intercept

c

=

−

15

.

6 0
2 years ago
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