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Kay [80]
4 years ago
6

Can someone plz help me with this math problem.

Mathematics
2 answers:
kherson [118]4 years ago
4 0
She can make 30 bows
natulia [17]4 years ago
4 0
You need to change 2/5 into a decimal which is 0.4. So then take that and you want to know how many bows can you make with 8 yards of ribbon, so divide 8 by 0.4, to get you answer which is 20 bows! I hope this helps! 
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T=√k(k-b)(k-m).... make b the subject of the formula​
Liono4ka [1.6K]

Answer:

b = -T²/k(k-m)  + k

Step-by-step explanation:

Given the equation T =√k(k-b)(k-m), we are to make b the subject of the formula​

Square both sides

T² = (√k(k-b)(k-m))²

T² = k(k-b)(k-m)

T²/k(k-m) = k-b

Rearrange

k - b = T²/k(k-m)

b - k = - T²/k(k-m)

Add j=k to both sides

b - k + k = - T²/k(k-m)  + k

b = -T²/k(k-m)  + k

This gives the required expression

5 0
3 years ago
Simplify the polynomial expressions by combining like terms, and then multiply the resulting binomial expressions to find their
Lesechka [4]
For this case we have the following expression:
 (8x - 9 - 2x) (15 + 5x - 5)

 The first thing we must do is to rewrite the expression as the product of two binomials.
 To do this, we add similar terms.
 We have then:
 (6x - 9) (5x + 10)

 Then, doing distributive property we have:
 30x ^ 2 + 60x - 45x - 90

 Adding similar terms:
 30x ^ 2 + 15x - 90
 Answer:
 
The simplified expression is:
 
30x ^ 2 + 15x - 90
7 0
4 years ago
I only have 20 min left it has a timer on me
Fofino [41]

Answer:

it is 3,540ml that is less than 10 L

Step-by-step explanation:


5 0
3 years ago
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Whitepunk [10]

If you do 1800 divided by 300, the answer is 6 hours
3 0
3 years ago
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Find the value of the variable 10 45
Ratling [72]

Answer:

35.

Step-by-step explanation:

3 0
3 years ago
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