2 years ago

What the answer to 30-32

Mathematics

1 answer:

kifflom [539]2 years ago

3 0

30. C & D

31. She initially had $30... The cost of each song was $1.20

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A 5 ft piece of aluminum wire cost $21 what is the price per inch

kogti [31]

Answer:

<u>It would cost about $2.90</u>

Step-by-step explanation:

<em>You have to first see how much inches are in a foot and divide that by how much it costs.</em>

7 0

2 years ago

Read 2 more answers

Anybody know the answer?

Tcecarenko [31]

Method 1.

Use the formula of a distance between two points:

$A(x_A;\ y_A),\ B(x_B;\ y_B)\\\\d=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}$

We have

$A(-4,\ 5)\to x_A=-4,\ y_A=5\\B(2,\ -3)\to x_B=2,\ y_B=-3$

substitute

$|AB|=\sqrt{(-3-5)^2+(2-(-4))^2}=\sqrt{(-8)^2+6^2}=\sqrt{64+36}=\sqrt{100}=10$

Answer: 10

Method 2

Look at the picture.

Use the Pythagorean theorem:

$x^2=6^2+8^2\\\\x^2=36+64\\\\x^2=100\to x=\sqrt{100}\\\\x=10$

Answer: 10

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2 years ago

. A gym membership costs $50 per month plus $10 per visit with a trainer. A person has a fitness budget of $150 a month. What is

mixer [17]

Answer:

2 and a half times?

Step-by-step explanation:

if they always vistit with trainer it would be 60 divided by 150 and that gives you 2.5 but that wouldnt make much sense.

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2 years ago

Multiply 214 by 112 using the standard paper and pencil algorithm

Artyom0805 [142]

If you multiply 214 by 112 you would get the answer 23,968.Believe me i did the math.

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2 years ago

0.5×28 = please help me

yarga [219]

Answer: 14

Step-by-step explanation:

28 times 0.5. First do 28 times 5. Then do 28 times 0. When multiplying with zeros, any number times zero, is zero. Your answer is 14.

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2 years ago