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Mashcka [7]
3 years ago
10

How do solve:

Mathematics
2 answers:
snow_tiger [21]3 years ago
5 0

Answer:

-1

Step-by-step explanation:

-6(-2)= -6*-2= 12

4(-3)= 4*-3= -12

12/-12= -1

german3 years ago
5 0

Answer:

-1

Step-by-step explanation:

-6 times -2 is 12, and 4 times -3 is -12. Next, you divide -12 by 12 and get -1. Hope this helps.

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Tim rides 3.2 miles on his bike everyday How far does Tim ride in one week<br>​
kipiarov [429]

Answer:

22.4

Step-by-step explanation:

Just multiply 3.2 by 7 to get 22.4 miles a week. Easy.

8 0
2 years ago
How many odd integers are there between 101 and 999 have distinct digits?
guapka [62]
Every number will have only 3 digits. In the ones place, there are 5 choices. For every choice of digit made in the ones place, there are 8 possible choices for the hundreds place (you can choose from 1-9, omitting whatever is used in the ones place), and there are 8 possible choices for the tens place (you can choose from 0-9, omitting whatever has already been used elsewhere).

So there are 7\cdot8\cdot8=320 such numbers.
8 0
3 years ago
Norma bought 1 3/4 yards of cotton fabric and 3 3/8 yards of fleece fabric.
aalyn [17]
1 3/4 + 3 3/8 
get a common denominator by multiplying 1 3/4 by 2 to get a denominator of 8
1 3/4 becomes 1 6/8
1 6/8 + 3 3/8 = 5 1/8 yards
so the answer is 
C. 5 1 / 8 Yards
4 0
3 years ago
Read 2 more answers
98 POINTS!!!!!!!!!!!!!!!!!!
Tanzania [10]

Answer:

a = 13 and b = 12-5i

Step-by-step explanation:

We need a common denominator

3+2i         5-i

---------- + ---------

3-2i          2+3i

(3+2i) (2+3i)         (5-i)(3-2i)

------------------ + --------------------

(3-2i) (2+3i)          (2+3i) (3-2i)

Foil the numerators

6 +4i+9i+6i^2 +15-3i-10i+2i^2        

------------------ --------------------

         (2+3i) (3-2i)

Combine like terms

21 +8i^2          

------------------

(2+3i) (3-2i)

We know that i^2 = -1

21 +8(-1)        

------------------

(2+3i) (3-2i)

21 -8        

------------------

(2+3i) (3-2i)

13        

------------------

(2+3i) (3-2i)

Foil the denominator

13

---------------

6 +9i -4i -6i^2

Combine like terms

13

----------------

6+ 5i -6(-1)

13

----------

12 +5i

We know have

13

-------------

12 + 5i

Multiply by the conjugate

13               ( 12-5i)

------------- * -------------

12 + 5i         12 -5i

13 (12-5i)

--------------

144 +25

13(12-5i)

-------------

169

12-5i

------------

13

The parentheses are (12-5i)/13

We need the reciprocal to make the equation become 1

which is 13/ 12-5i

a = 13 and b = 12-5i

5 0
3 years ago
Read 2 more answers
What do the following two equations represent?
miv72 [106K]

Answer:

Intersecting but not perpendicular

Step-by-step explanation:

Assuming you forgot to add the = between y+5 and 2(1)

Since there is a opposite single variable in either equation the lines will intersect but not be perpendicular

3 0
2 years ago
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