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lakkis [162]
3 years ago
15

ABC

Mathematics
1 answer:
Savatey [412]3 years ago
6 0
I’m pretty sure the answer would be 11 because if 9×10xa(or whatever letter you use) equals 990 then a=11. Hope this helps!
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Dan rolls 2 fair dice and adds the results from each. Work out the probability of getting a total less than 3. Answer pls its my
Neporo4naja [7]

Answer:

There are 6 * 6 = 36 total outcomes from throwing 2 dice. Of those, there is only 1 that will give you a sum less than 3 (1 + 1) so the answer is 1 / 36.

5 0
3 years ago
Help and explain please !!!!!!!!!!!!!!
True [87]
A. Median. That is simply what it is called
5 0
3 years ago
Are there any solutions
Travka [436]

Answer: B Exactly one solution

Step-by-step explanation:

5x+8-7x=-4x+1

-2x+8=-4x+1

-2x+4x=-7

2x=-7

x=-7/2

8 0
2 years ago
Simplify 1/4y + 1 1/2 + 2 - 1 3/4y - 12​
faust18 [17]

Answer:

(-1 (3 y + 17))/2

Step-by-step explanation:

Simplify the following:

y/4 - (1 + 3/4) y - 12 + 1/2 + 1 + 2

Put 1 + 3/4 over the common denominator 4. 1 + 3/4 = 4/4 + 3/4:

y/4 - 4/4 + 3/4 y - 12 + 1/2 + 1 + 2

4/4 + 3/4 = (4 + 3)/4:

y/4 - (4 + 3)/4 y - 12 + 1/2 + 1 + 2

4 + 3 = 7:

y/4 - 7 y/4 - 12 + 1/2 + 1 + 2

Put each term in y/4 - (7 y)/4 - 12 + 1/2 + 1 + 2 over the common denominator 4: y/4 - (7 y)/4 - 12 + 1/2 + 1 + 2 = y/4 - (7 y)/4 - 48/4 + 2/4 + 4/4 + 8/4:

y/4 - (7 y)/4 - 48/4 + 2/4 + 4/4 + 8/4

y/4 - (7 y)/4 - 48/4 + 2/4 + 4/4 + 8/4 = (y - 7 y - 48 + 2 + 4 + 8)/4:

(y - 7 y - 48 + 2 + 4 + 8)/4

Grouping like terms, y - 7 y - 48 + 2 + 4 + 8 = (y - 7 y) + (4 + 2 + 8 - 48):

((y - 7 y) + (4 + 2 + 8 - 48))/4

y - 7 y = -6 y:

(-6 y + (4 + 2 + 8 - 48))/4

4 + 2 + 8 - 48 = -34:

(-34 - 6 y)/4

Factor -2 out of -6 y - 34:

(-2 (3 y + 17))/4

The gcd of -2 and 4 is 2, so (-2 (3 y + 17))/4 = ((2 (-1)) (3 y + 17))/(2×2) = 2/2×(-(3 y + 17))/2 = (-(3 y + 17))/2:

Answer: (-1 (3 y + 17))/2

3 0
2 years ago
• Desenați punctele necoliniare A,B,C
Alex73 [517]

Answer:

a

<em>a </em><em>is </em><em>the </em><em>correct </em><em>answer</em>

5 0
3 years ago
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