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Doss [256]
3 years ago
9

1936 —The electric guitar debuts.

Mathematics
1 answer:
krok68 [10]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

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4- Find the coefficient of n in the quadratic sequence 3, 14<br> 5, 8, 12, --
tester [92]

Answer: 23

Step-by-step explanation:

7 0
3 years ago
Can someone help with this question? $32,000;7%decrease
Vitek1552 [10]
To find a decrease using a percentage you:

Original Amount - (Original Amount x Percentage)

So plug in:

32000 - (32000 x 7%) = 32000 - (32000 x 0.07) = 29760

The amount with a 7% decrease is $29,760. 
3 0
3 years ago
tatiana earns money by baby sitting her little cousin. when she babysits for 2 hours she earns 27. when she babysits for 7 hours
disa [49]

Answer:

13.50 per hour

Step-by-step explanation:

she makes 13.50 per hour, you know this ny dividing 27 by 2. If she makes 27 for 2 hours you just got to find half of 27 for 1 hour.

6 0
3 years ago
The ratio of boys to girls in art club is 2 to3. If there are 40 total students, how many more girls are there then boys
Lubov Fominskaja [6]

The ratio is 2:3 that is a total of 5 people

We now need to see how much groups of 5 we need to get to 40

5 × 8 = 40

So we have 8 groups of 5 that would make 40 students'

8 groups of 2:3 ⇒ 8 × (2:3)

                                   ⇅

                                 (8 × 2) (8 × 3) = 16:24

There are 16 boys and 24 girls.

Then when you subtract 24 - 16, you would get 8.

There are 8 more girls than boys in the art club.


5 0
4 years ago
4 times a number minus 8.5 is at most 11.5.
Galina-37 [17]

Hi there! :)

Answer:

4/7 times 35, minus 8.5 is no more than 11.5

The number is : 35

Step-by-step explanation:

Let's replace "a number" by the letter "x" because that's what we are looking for.

4/7 × x = 4/7x

4/7x MINUS 8.5 = 4/7x - 8.5

The expression "no more than" is represented by this sign: ≤

"No more than" can also be "less than or equal to".

The final inequality should look like this:

4/7x - 8.5 ≤ 11.5

Now all you need to do is solve the inequality by isolating "x":

4/7x - 8.5 ≤ 11.5

Add 8.5 to each side of the inequality → 11.5 + 8.5 = 20

4/7x ≤ 20

Divide each side of the inequality by "4/7" → 20 ÷ 4/7 = 35

x ≤ 35

There you go! I really hope this helped if there's anything just let me know! :)

7 0
3 years ago
Read 2 more answers
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