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frosja888 [35]
2 years ago
6

Needs help with both

Mathematics
2 answers:
Arturiano [62]2 years ago
7 0

Answer:

The first answer is d) 20ft, 10ft

a_sh-v [17]2 years ago
5 0

Answer:

flip it please

Step-by-step explanation:

d for 1 and a for 2

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Fynjy0 [20]
42 degrees. Comment down if you need the explanation why
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Twice a number (z) added to 21 is equal to 9 times the number added to 7. What is the number?
pickupchik [31]

Answer:

The number is  2

Step-by-step explanation:

Twice a number (z) = 2*z = 2z

Twice a number (z) added to 21  = 2z + 21

9 times the number added to 7 = 9z + 7

9z + 7 = 2z + 21

Subtract 2z form both sides

9z - 2z + 7 = 21

       7z + 7 = 21

Subtract 7 from both sides

7z = 21 - 7

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Divide both sides by 7

z = 14/7

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5 0
2 years ago
8+ -5w = -37 pls i need help
prisoha [69]
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8 0
3 years ago
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Kitty [74]

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4 0
3 years ago
Ashley charges $6 for a bracelet and 12$ for a necklace. She earned $168. Use b for bracelets and n for necklaces, and write an
yarga [219]

Answer:

Step-by-step explanation:

let the number of bracelet be b

Let the number of necklace be n

If Ashley charges $6 for a bracelet , the total amount charged for b bracelets will be 6b

If she charge $12 for a necklace, the total amount for n necklace will be 12n

If she earned $168 in total, then:

6b + 12n = 168

Divide through by 6

b + 2n = 28

Hence the equation for this situation is b + 2n = 28

Next is to solve for b:

Make b the subject of the formula:

b + 2n = 28

subtract 2n from both sides

b + 2n - 2n = 28 - 2n

b = 28 -2n

Hence the function for b will  be b = 28-2n

8 0
2 years ago
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