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sleet_krkn [62]
3 years ago
7

Diane got a prepaid debit card with $20 on it. For her first purchase with the card, she bought some bulk ribbon at a craft stor

e. The price of the ribbon was 22 cents per yard. If after that purchase there was $12.08 left on the card. how many yards of ribbon did Diane buy?​
Mathematics
1 answer:
elena-s [515]3 years ago
5 0

Answer:

36 yards of ribbon

Step-by-step explanation:

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Find the product using suitable identities.<br> a) <img src="https://tex.z-dn.net/?f=%28%5Cfrac%7Bx%7D%7B3%7D%20%20-%206%29%5E%7
Vesna [10]

Answer:

\frac{x^2}{9} - 4x + 36

Step-by-step explanation:

(\frac{x}{3} - 6)² = (\frac{x}{3} - 6)(\frac{x}{3} - 6)

Each term in the second factor is multiplied by each term in the firs t factor, that is

\frac{x}{3}(\frac{x}{3} - 6) - 6(\frac{x}{3} - 6)

Distribute both parenthesis

= \frac{x^2}{9} - 2x - 2x + 36 ← collect like terms

= \frac{x^2}{9} - 4x + 36

5 0
3 years ago
HELP IVE GOT 5 MINS!!
faust18 [17]

Answer:

< A = 148°

Step-by-step explanation:

<A = <B → 6x - 2° = 4x + 48° → 2x = 50° → x = 25°

<A = 6(25°) - 2° = 150° - 2° = 148°

8 0
3 years ago
Find the 9th term of the geometric sequence​
Lisa [10]

Answer:

The answer to your question is:

9th  term = \frac{1}{781250}

Step-by-step explanation:

The factor is 1/5, then:

\frac{1}{2} , \frac{1}{10} , \frac{1}{50} , \frac{1}{250} , \frac{1}{1250}

\frac{1}{6250} , \frac{1}{31250} , \frac{1}{156250}, \frac{1}{781250}

8 0
4 years ago
Read 2 more answers
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Alexandra [31]

b)

A - wins at both games

P(A)=0.3\cdot0.4=0.12

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A - wins at just one of the games

P(A)=0.3\cdot0.6+0.7\cdot0.4=0.18+0.28=0.46

3 0
3 years ago
(16x3 + 40x2 + 72) (2x + 6)
Volgvan
(16x^3+40x^2+72)(2x+6)=32x^4+96x^3+80x^3+240x^2+144x+432=32x^4+176x^3+240x^2+144x+432

In this case, you have to multiply each term of one parenthesis by each term in the second bracket. After receiving a number of factors need to be segregated and placed in the correct order.

8 0
3 years ago
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