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Kisachek [45]
3 years ago
8

="TexFormula1" title=" \frac{5}{6} + ( \frac{4}{9} ) - ( - 2)" alt=" \frac{5}{6} + ( \frac{4}{9} ) - ( - 2)" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Lady_Fox [76]3 years ago
6 0

get a common denominator of 18

5/6 * 3/3 +4/9 * 2/2 - -2*18/18

15/18 +8/18 + 36/18

23/18 + 36/18

59/18

change to a mixed number

18 goes into 59 3 times with 5 left over

3 and 5 /18

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Select the correct answer from each drop-down menu.
nasty-shy [4]

9514 1404 393

Answer:

  • 3(x^3)y -6x(y^2) +9
  • 3

Step-by-step explanation:

The above-listed answer choices are the only ones that are self-consistent.

The quotient choices all have a leading coefficient of 3, and the result of dividing by <some number> is a leading coefficient of 1. Obviously, the <some number> must be 3 (first choice on the second menu).

Looking only at the constant term, we see that after division by 3, we have 3. So the original quotient constant term must be 3×3 = 9 (first choice on the first menu). Note that we have chosen the correct answer simply by looking at coefficients, not even bothering with actual division of variables.

6 0
3 years ago
Read 2 more answers
Please help asap thx a bunch
Aloiza [94]

it would be high I think



3 0
3 years ago
Mal spends 7 hours in school each day. Her lunch period is 1 hour long, and she spends a
Alex787 [66]

Answer:

z = 5*(1/2)

z = 5/10

---

time switching classes:

w = 7/10

---

y - 6x - z - w = 0

6x = y - z - w

x = (y - z - w)/6

x = (76/10 - 5/10 - 7/10)/6

x = (76 - 5 - 7)/(10*6)

x = (64)/(10*6)

x = (2*2*2*2*2*2)/(2*5*2*3)

x = (2*2*2*2)/(5*3)

x = 16/15

x = 1.0666666666

---

check:

y = 7 + 3/5

y = 7.6

z = 1/2

z = 0.5

w = 7/10

w = 0.7

y - 6x - z - w = 0

6x = y - z - w

x = (y - z - w)/6

x = (7.6 - 0.5 - 0.7)/6

x = 1.0666666666

---

answer:

z = 5*(1/2)

z = 5/10

---

time switching classes:

w = 7/10

---

y - 6x - z - w = 0

6x = y - z - w

x = (y - z - w)/6

x = (76/10 - 5/10 - 7/10)/6

x = (76 - 5 - 7)/(10*6)

x = (64)/(10*6)

x = (2*2*2*2*2*2)/(2*5*2*3)

x = (2*2*2*2)/(5*3)

x = 16/15

x = 1.0666666666

---

check:

y = 7 + 3/5

y = 7.6

z = 1/2

z = 0.5

w = 7/10

w = 0.7

y - 6x - z - w = 0

6x = y - z - w

x = (y - z - w)/6

x = (7.6 - 0.5 - 0.7)/6

x = 1.0666666666

---

answer:

each class is 1.07 hours

Step-by-step explanation:

8 0
2 years ago
Do not use spaces in your answer. Solve for x. -5x + 12x - 8x = -24 x = ___ a0
const2013 [10]

Answer:

\Huge \boxed{x=24}

Step-by-step explanation:

-5x + 12x - 8x = -24

Combine all like terms.

(-5+ 12- 8)x = -24

-x=-24

Multiply both sides by -1.

x=24

7 0
3 years ago
Read 2 more answers
Johnathan plans on using 2" x 12" boards that cost $2.50 per foot. Assuming he can purchase the exact amount he needs, how much
Kitty [74]

Answer:

$35

Step-by-step explanation:

7 0
3 years ago
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