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Fantom [35]
4 years ago
7

Miss Penny inherits $910

Mathematics
1 answer:
IceJOKER [234]4 years ago
7 0

Step-by-step explanation:

For ratio questions, add up the both ratio to know the exact ratio, similar to percentage question.

5:8 total ratio is 13

Save ratio : 5/13

Spend ratio : 8/13

Saved money : 5/13 x 910 = 350

Spent money : 8/13 x 910 = 560

To double check answer, you can try add up the saved and spend money. If it gets to initial money 910, then its correct. Have fun learning ^-^

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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the
rodikova [14]

Answer:

√27

Step-by-step explanation:

The triangles of the pyramid are equilateral triangles with sides of 6''.

Dividing a triangle into two equal parts we get two congruent right triangles, with a hypotenuse of 6'', one leg of 3'', and the other leg is the slant height (s). From Pythagorean theorem:

3² + s² = 6²

s² = 6² - 3²

s = √27

8 0
4 years ago
Given: AB=BC,AM=MC BM ⊥AC , EF⊥BC Prove: EC/AB = FC/MA
kenny6666 [7]

Answer:

<em>9</em><em>0</em><em> </em><em>degree</em><em> </em><em>EFC</em><em>. </em><em>and</em><em>. </em><em>BMC</em>

<em>across</em><em> </em><em>fc</em><em>/</em><em>ma</em><em> </em>

<em>across</em><em> </em><em>ec</em><em>/</em><em>ab</em>

5 0
3 years ago
Braiist can someome pls explain i dont know
Greeley [361]

Answer:

G

Step-by-step explanation:

Using the rule of exponents

\frac{a^{m} }{a^{n} } = a^{m-n}

Consider the left side

\frac{n^{x} }{n^{y} } = n^{x-y}, then

n^{x-y} = n²

Since bases on both sides are equal, equate the exponents

x - y = 2 → G

5 0
3 years ago
CAN SOMEONE HELP PLEASE!!
grandymaker [24]
The predicted time remaining has decreased by 30 years, so the second one would be the answer
3 0
3 years ago
What is the equivalent factored form of 12x^4-42x^3-90x^2
Tanzania [10]
Factor the following:
12 x^4 - 42 x^3 - 90 x^2

Factor 6 x^2 out of 12 x^4 - 42 x^3 - 90 x^2:
6 x^2 (2 x^2 - 7 x - 15)

Factor the quadratic 2 x^2 - 7 x - 15. The coefficient of x^2 is 2 and the constant term is -15. The product of 2 and -15 is -30. The factors of -30 which sum to -7 are 3 and -10. So 2 x^2 - 7 x - 15 = 2 x^2 - 10 x + 3 x - 15 = x (2 x + 3) - 5 (2 x + 3):
6 x^2 x (2 x + 3) - 5 (2 x + 3)

Factor 2 x + 3 from x (2 x + 3) - 5 (2 x + 3):
Answer:  6 x^2 (2 x + 3) (x - 5)
4 0
4 years ago
Read 2 more answers
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