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2 years ago

HELP

Mathematics

1 answer:

adelina 88 [10]2 years ago

8 0

Answer:

$(x-6)^2=8$

Step-by-step explanation:

$x^2-12x+32=4$

$x^2-12x+32+4=4+4$

$x^2-12x+36=8$

$(x-6)^2=8$

Basically, you need to add a number to both sides so that you can reduce the left side to a square. In this case, you add 4.

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What is probability of randomly selecting a marble and getting black or red? a bag contains 5 black marbles, 10 red marbles, and

seropon [69]

This is a mutually exclusive event because you can't choose both at the same turn you can only pick one or the other. so we add the event chances together,
5/35 + 10/35 = 15/35 or reduced 3/7

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3 years ago

Choose the correct classification of (3x^3 + 2x^2 - 5x)

Irina-Kira [14]

Answer:

Below.

Step-by-step explanation:

It is a polynomial of degree 3.

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3 years ago

In a genetic experiment involving flower color in phlox, a ratio of 3 blue-flowered plants to 1 whiteflowered plant was expected

aliya0001 [1]

Answer: The observed ratio is different from the expected ratio.

Step-by-step explanation:

Since we have given that

Expected ratio :

Ratio of blue flowered plants to white flowered plant = 3:1

Observed results:

Number of blue flowered plants = 35

Number of white flowered plants = 14

So, Ratio of blue flowered plants : white flowered plants

$35:14\\\\=5:2$

So, 5:2 ≠ 3:1

Hence, the observed ratio is different from the expected ratio.

3 0

3 years ago

Please could someone help!

melisa1 [442]

Answer:

<h2> $32.16 \: grams$ </h2>

solution,

$mass = volume \times density \\ \: \: \: \: \: \: \: \: = 2.4 \: \frac{g}{ {cm}^{3} } \times 13.4 \: {cm}^{3} \\ \: \: \: \: \: \: \: \: = 2.4 \times 13.4 \: \: grams \\ \: \: \: \: \: \: \: \: \: \: = 32.16 \: \: grams$

Hope this helps...

Good luck on your assignment..

8 0

3 years ago

Ramon bikes every afternoon. He travels 4 1/4 miles in 1/4 hour. At what rate dies Ramon ride his bike in miles per hour

Colt1911 [192]

1/4 hour = 4 1/4 miles

Change to improper fraction:
1/4 hour = 17/4 miles

Multiply by 4 on both sides:
1 hour = 17 miles

Answer: Ramon rides his bike at 17 miles/hour.

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4 years ago