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Alenkasestr [34]
3 years ago
6

Amalie has been saving money buy an electric guitar. A local store has just

Mathematics
1 answer:
lubasha [3.4K]3 years ago
8 0

Answer:

80 percent

Step-by-step explanation:

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Joelle has $15.75. She spent $6.38 at the store.
Alborosie
X + 6.38 = 15.75<span> would be the answer 
      x=9.37
for the first option, you are not adding 15.75 and x together. 
for the second option, it is correct, because in the problem, it is giving the operation, 15.75-6.38=x. when you turn it do inverse operation, you get </span><span>x + 6.38 = 15.75. 
for the third option, it doesn't make sense and it's not doing what the problem is asking for.
for the fourth option, you are not multiplying. you are subtracting </span>15.75 by<span> 6.38 to get x.</span>
4 0
3 years ago
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Please help me with these questions and show how u got them, i will mark you brainliest !
lianna [129]

Answer: 1) 25b   2) ac   3)ba

1) Since b is unknown, your answer will be 25b

2) Since both variables, a and c, are unknown, your answer will be ac

3) Since both are unknown here, it will be ba!

4 0
2 years ago
¿What is the density of a rock if it has a mass of 50 g and a volume of 10 mL?
yan [13]

D=m/v so d=50/10=5

The density is 5g/ml

It might be ml^3 (5g/ml^3) but I don’t remember

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3 years ago
Brianna has 4 pink bracelets. One third of all her bracelets are pink. How many braclets does Brianna have?
liq [111]
Brianna has 12 braclets
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3 years ago
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Find the sum.<br> 7x + 15x=
BaLLatris [955]

Answer:

7x + 15x= 21x

Step-by-step explanation:

7x + 15x

= (7 + 15)x

= 22x

4 0
3 years ago
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