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Zinaida [17]
3 years ago
15

Mr.Arnold’s writing supplies consists of 10 markers,25 pencils and 15 pens. What is the ratio of the number of pencils in the cl

oset to the total number or writing supplies he has?
Mathematics
1 answer:
icang [17]3 years ago
6 0

Answer:

1/2

Step-by-step explanation:

Total = 10 markers + 25 pencils + 15 pens

Total = 50 writing supplies.

Ratio = pencils to total = 25/50 = 1/2

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What two numbers multiply to -50 and add up to -23
umka2103 [35]

Answer:

-25 and 2

Step-by-step explanation:

x + y = -23

xy = 50, so y = 50 /x

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x + 50/x =-23,  x^2 +23x - 50 = (x-2)(x+25)

so 2 and -25

4 0
3 years ago
Hey, I need help on this assignment
True [87]

Step-by-step explanation:

YO ≅ NZ

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3 0
3 years ago
Anna wants to factor the polynomial p(x)=5x^4+40x. She knows that the sum of cubes formula is a^3+b^3=(a+b)(a^2−ab+b^2).
Artemon [7]

Answer:

Part A:  Option 2, A: Anna’s answer is incorrect. She correctly factored out 5x, but incorrectly identified a and b, so her answer cannot be correct.

Part B:  Option 3, B: 5x(x+2)(x^2−2x+4)

Step-by-step explanation:

p(x) = 5x^4 + 40x

p(x) = 5x(x^3 + 8)

p(x) = 5x(x + 2)(x^2 - 2x + 4)

Part A:  Option 2, A: Anna’s answer is incorrect. She correctly factored out 5x, but incorrectly identified a and b, so her answer cannot be correct.

Part B:  Option 3, B: 5x(x+2)(x^2−2x+4)

7 0
3 years ago
Choose the equation below that represents the line passing through (1,-4) with a slope or 1/2
olganol [36]

Answer: C. y + 4 = 1/2(x - 1)

Step-by-step explanation:

point slope form is y - y1 = m(x - x1) where m is the slope and (x1, y1) is a point on the line.

6 0
3 years ago
An arithmetic sequence is defined by its 1st term a1 = 7 and the sum of the first 10 terms s10 = 25. Find the difference d of th
VARVARA [1.3K]

Step-by-step explanation:

difference is 1.8

hope it is correct

3 0
3 years ago
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