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ad-work [718]
4 years ago
11

Twice a number x,minus 19

Mathematics
1 answer:
Alex4 years ago
6 0

Answer:

2x - 19

Step-by-step explanation:

"Twice a number x" means the (missing) number is called x. Write "2x" which means multiply "x" by 2.

"Minus 19" is -19.

Together, the expression is 2x - 19.

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Charles is cooking enough lentils for lentil barley soup and lentil salad. The soup recipe calls for 3/4 cup of dried lentils. T
zvonat [6]

Answer:

18 scoops is the correct answer

Step-by-step explanation:

3/4 can also be written as 6/8 (multiply both 3 and 4 by 2)

and 1 1/2 is actually 3/2 which can be written as 12/8 (multiply both 3 and 2 by 4)

thus total lentils required is 6/8 + 12/8 = 18/8 cups.

with scoop size 1/8 cup you'll need 18 scoops .

8 0
3 years ago
Read 2 more answers
Please help!<br> A- answer as a percent rounded to nearest tenth<br> B- answer as a fraction
Licemer1 [7]

a)  the Probability p( red, red, red) is 0.83%.

b) the probability p(white, red, white) is 0.

<u>Step-by-step explanation:</u>

The total number of marbles = 3+6+1.

                                                =10.

a) to find the Probability p( red, red, red).

p( red, red, red)= \frac{3C_{3} }{10C_{3}}.

p( red, red, red)=\frac{3}{10}×\frac{2}{9}×\frac{1}{8}.

p(red,red,red)= 0.0083.

p(red,red,red)=0.83%

b)to find the probability p(white, red, white).

p(white, red, white) is 0.

Since there is only one white.

6 0
3 years ago
What is the domain of the function graphed below?
DaniilM [7]

Answer:

(-2,4] and [7,α)

Step-by-step explanation:

the domain is open at -2 but closed at 4 and also closed at 7 but open till infinity..

8 0
3 years ago
Please help quick it is almost due
ankoles [38]
D is correct
Give me brainliest!! ❤️
6 0
3 years ago
2-3x-5+9x=? Thank you to whoever gets the answer
Marrrta [24]

Answer:

6x - 3

Step-by-step explanation:

Step 1: Write out expression

2 - 3x - 5 + 9x

Step 2: Combine like terms (x)

2 - 5 + 6x

Step 3: Combine like terms (constants)

-3 + 6x

Step 4: Rewrite

6x - 3

4 0
3 years ago
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