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emmainna [20.7K]
4 years ago
13

Jan walks 4 miles each week for one month.how many miles does she walk altogether

Mathematics
2 answers:
AveGali [126]4 years ago
4 0
16 miles if its 4 weeks. its 12 miles if its 3 weeks. its 20 miles if its 5 weeks
solniwko [45]4 years ago
3 0
I think it's 8 miles in one month if you round it I don't know what the exact decimal would be.
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I need an answer soon, please! Whoever answers first will get Brainliest!!! Please no troll answers!
Colt1911 [192]

Answer:

x = 8, and y = 12

Step-by-step explanation:

There are 2 variables, so you need 2 equations to form a system of equations in two variables.

The upper left triangle has all angle measures given: 100, 2x + y, 5x + y. We know that the sum of the measures of the angles of a triangle is 180.

First equation:

100 + 2x + y + 5x + y = 180

Simplify:

7x + 2y = 80     (First equation)

Now we see that the upper and lower sides are parallel, so alternate interior angles are congruent. The angles measuring 2x + y and 5x - y are alternate interior angles and are congruent.

Second equation:

2x + y = 5x - y

Simplify:

3x - 2y = 0    (Second equation)

Now we use the first equation and the second equation as a system of simultaneous equations to solve for x and y.

7x + 2y = 80

3x - 2y = 0

Solve the second equation for 2x.

3x = 2y

Now replace 2y in the first equation with 3x.

7x + 3x = 80

10x = 80

x = 8

Replace x with 8 in the second equation.

3(8) - 2x = 0

24 = 2x

x = 12

Answer: x = 8, and y = 12

8 0
3 years ago
Read 2 more answers
77 decreased by twice of a number
nataly862011 [7]
Use a variable for the unknown number so it would be 77-2x also if you don't know a number and a variable together means to multiply them
8 0
3 years ago
I NEED THIS NOW PLEASE!!!
Lady_Fox [76]

Answer:

We can predict that the spinner will possible land on the green or blue 8 out of 12 times, or 66% of the time.

Step-by-step explanation:

First of all, we need to calculate the percentage of the spinner that is both green and blue.

There are a total of 12 sections on the spinner.

6 out of 12 of the sections are green. 6/12 = 0.5 or a 50% change

2 out of 12 of the secions are blue. 2/12 = 0.16 or a 16% change

3 out of 12 of the sections are pink. 3/12 = 0.25 or a 25% chance

1 out of 12 sections are yellow. 1/12 = 0.08 or a 8% chance

Athough I provided the percantages for each color, all we really need is the data for the green and blue.

0.5 + 0.16 = 0.66

12 x 0.66 = 7.92 or 8 when rounded to the nearest whole number

Therefore, we can predict that the spinner will possible land on the green or blue 8 out of 12 times, or 66% of the time.

Hope this helps! Have a blessed day! :)

6 0
2 years ago
Help me out with number 8 (geometry)
lara [203]

Answer:

x = 50

Step-by-step explanation:

5 0
3 years ago
There are 32 ounces of water in a glass. Someone drinks 55% of the water. How many ounces of water are left? Answer without unit
Tanzania [10]

Answer:

14.4

Step-by-step explanation:

If someone drinks 55%, that means 45% is left over.  You multiply 32 x 45 to find out what is left.

6 0
3 years ago
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