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Anna [14]
3 years ago
5

Simplify. -2.2 - 3.1

Mathematics
2 answers:
scoundrel [369]3 years ago
7 0

- 2.2 - 3.1 = - 5.3

simplified

zmey [24]3 years ago
3 0

The answer is -5.3. Hope this helps!! :-)

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stellarik [79]
Number of cubes increases by 3 for each term.

an= 3n+1
4 0
2 years ago
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13. The sum of the measures of angle Mand angle Ris 90°.
Sunny_sXe [5.5K]

Answer:

x=5

Step-by-step explanation:

If the sum of the measures of angle M and R is 90 degrees, and you know that angle R is 55 degrees, subtract angle R from the total angle. Then, solve for M

90 - 55 = 35

5x + 10 = 35

5x = 25

x = 5

8 0
3 years ago
Find the slope <br><br> 2/3 <br> -2/3 <br> 3/2 <br> -3/2
Ivenika [448]
It’s 3/2 you can look at the the point (0,1) and (2,4) you can use a method called rise over run you got up 3 over 2 units to get to the next point
8 0
3 years ago
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Renae likes to make pizza dough on the weekends. She has 8 1/3 cups of flour. She needs 5/6 of a cup for each pizza.How many piz
alina1380 [7]

Answer:

She can make 10 pizzas.

Step-by-step explanation:

8 1/3=25/3

(25/3)/(5/6)=(25/3)(6/5)=150/15=10

7 0
3 years ago
( simultaneous equations)
daser333 [38]

Answer:

See method below.

Step-by-step explanation:

m/n + n/3 = 2

2/m + n = 4    

First  eliminate the fractions by multiplying the first equation by 3n:-

3m + n^2 = 6n...........(1)

and the second equation by m:-

2 + mn = 4m..............(2)

Now we solve using substitution:-

From equation  (2):-

4m - mn = 2

m = 2 / (4 - n)

Now substitute for m in equation (1):-

6/ (4 - n) + n^2 = 6n

6 + n^2(4 - n) = 6n(4 - n)

6 + 4n^2 - n^3 = 24n - 6n^2

n^3 - 10n^2 + 24n - 6 = 0

This will not factor so we could solve this using graphical software.

To find the values of the variable m we substitute the found values of n into one of the original equations and solve for m.






6 0
3 years ago
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