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3 years ago

Find the distance between -3 and 4. A) -12 eliminate b) -7 c) -1 d) 7

Mathematics

1 answer:

n200080 [17]3 years ago

8 0

The formula of a distance between A and B = |B - A|.

We have -3 and 4. Substitute:

|4 - (-3)| = |4 + 3| = |7| = 7

<h3>Answer: d) 7</h3>

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From delta math:<br> Subtract -2x^2 + 3x - 9 from 8x^2 + 10x - 10

Leto [7]

Answer:

$10x^2 + 7x - 1$

Step-by-step explanation:

Step 1: Build the expression in numerical form.

$(8x^2 +10x - 10) - (-2x^2 + 3x - 9)$

Step 2: Distribute the negative sign.

$8x^2 +10x -10 + (-1)(-2x^2) + (-1)(3x) + (-1)(-9)$
$8x^2 + 10x - 10 + 2x^2 + (-3x) + 9$

Step 3: Combine like terms.

$(8x^2 +2x^2) + (10x -3x) + (-10+9)$
$10x^2 +7x -1$

Therefore, the answer is $10x^2 + 7x -1$ .

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2 years ago

A number increased by 24 is 112. what is the number

dexar [7]

I believe the correct number is 88.

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2 years ago

A circle has a diameter of 15 cm. Find the circumference. . Use 3.14 for π. Round your answer to the nearest tenth. PLEASE HELP!

8_murik_8 [283]

Answer:

47.1 cm

Step-by-step explanation:

<u>The formula for finding circumference is πd. So, plug in the given values and simplify the expression:</u>

d = 15

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15 × 3.14 = 47.1

<u>The circumference of a circle with a diameter of 15 cm and using 3.14 as a substitute for π will be </u><u>47.1 cm</u><u>.</u>

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Read 2 more answers

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Step-by-step explanation:

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2 years ago

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Answer:

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Step-by-step explanation:

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