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gavmur [86]
3 years ago
7

−2 1/6 divided by 1 1/4 100 points

Mathematics
2 answers:
galina1969 [7]3 years ago
8 0

Answer:

  • -1 11/15

Step-by-step explanation:

<u>−2 1/6 divided by 1 1/4:</u>

  • -2 1/6 ÷ 1 1/4 =
  • - 13/6 ÷ 5/4 =
  • - 13/6 × 4/5 =
  • - 26/15 =
  • -1 11/15
Pie3 years ago
7 0

1) to divide that mixed number we'll need to turn it into an improper fraction:

- 2\frac{1}{6}  =  - ( \frac{6 \times 2 + 1}{6} ) =  -  \frac{13}{6}  \\ 1 \frac{1}{4}  =  \frac{4 \times 1 + 1}{4}  =  \frac{5}{4}

2) now let's divide it, reciprocating 1 1/4 and multiplying both fractions one by another:

-  \frac{13}{6}  \times  \frac{4}{5}  =  -  \frac{52}{30}  =  -  \frac{26}{15}

3) Hence the answer is -26/15

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2) 3=r+17<br> pls solve for r
Elan Coil [88]

Answer:

r = -14

Step-by-step explanation:

3 = r + 17

r + 17 = 3

r + 17 - 17 = 3 - 17

r = -14

6 0
3 years ago
Solve the equation 6(n −1) + 2 = n(4 + 2) + 4.
Flura [38]

Answer:

No solution.

Step-by-step explanation:

6(n −1) + 2 = n(4 + 2) + 4

6n - 6 + 2 = 6n + 4

-4 = 4  (inconsistency)

8 0
3 years ago
A store has two different sizes of ice cream the smaller container cost 3.87 for 48 ounces the larger container cost 6.42 which
elena-14-01-66 [18.8K]

Consider the complete question is "A store has two different sizes of ice cream on sale this week. The smaller container costs $3.87 for 48 ounces. The larger container costs $6.42 for 128 ounces. which ice cream costs less per ounce?"

Given:

The smaller container costs $3.87 for 48 ounces.

The larger container costs $6.42 for 128 ounces.

To find:

Which ice cream costs less per ounce?

Solution:

We know that

\text{Cost per ounce}=\dfrac{\text{Total cost}}{\text{Number of ounces}}

Using this formula, we get

Per ounce cost of small container =\dfrac{3.87}{48}

                                                         =0.080625

                                                         \approx 0.08

Per ounce cost of larger container =\dfrac{6.42}{128}

                                                         =0.05015625

                                                         \approx 0.05

Since, 0.08 > 0.05 therefore, the per ounce cost of larger container is less.

5 0
3 years ago
Find an equation of the circle that has center (-4,3) and passes through (6,-4).
kumpel [21]

Answer:

(x+4)^2+(y-3)^2=149

Step-by-step explanation:

The equation of a circle is (x-h)^2+(y-k)^2=r^2 where (h,k) is the center of the circle and r is the radius of the circle.

Given that (h,k)\rightarrow(-4,3) and it passes (6,-4), their distance between each other must the radius of the circle, so we can use the distance formula to find the radius:

d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}\\\\d=\sqrt{(-4-3)^2+(6-(-4))^2}\\\\d=\sqrt{(-7)^2+10^2}\\\\d=\sqrt{49+100}\\\\d=\sqrt{149}

Therefore, if the length of the radius is r=\sqrt{149} units, then r^2=149, making the final equation of the circle (x+4)^2+(y-3)^2=149

5 0
3 years ago
Which is greater 45 hg or 4.5 kg
Kamila [148]

they are the same. they are = (equal)
8 0
4 years ago
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