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3 years ago

80 kilometers divided by 0.5 hours

Mathematics

1 answer:

Fiesta28 [93]3 years ago

7 0

Answer:

160 kilometers / hour

Step-by-step explanation:

Just do 80 kilometers / 0.5 hours

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Leonora is factoring a trinomial. The factors of the trinomial are shown on the model. Which trinomial did she factor? x2 + 4x –

max2010maxim [7]

The correct answer is x2 – 4x – 12

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3 years ago

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3х - 5 = -11 what is x

Gennadij [26K]

Answer:

-2

Step-by-step explanation:

Add 5 to both sides to get

3x-5+5=-11+5

and simplify to get

3x = -6

x = -2

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3 years ago

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100 points!! Please solve question 50 in detail

SCORPION-xisa [38]

Answer:

2.62

Step-by-step explanation:

$log_{b} \frac{b^{2}x^{\frac{5}{2} }}{\sqrt{y}}$

First, write the square root as exponent.

$log_{b} \frac{b^{2}x^{\frac{5}{2} }}{y^{\frac{1}{2}}}$

Move the denominator to the numerator and negate the exponent.

$log_{b}(b^{2}x^{\frac{5}{2}}y^{-\frac{1}{2}})$

Use log product property.

$log_{b}(b^{2}) + log_{b}(x^{\frac{5}{2}}) + log_{b}(y^{-\frac{1}{2}})$

Use log exponent property.

$2 log_{b}(b) + {\frac{5}{2}}log_{b}(x) - {\frac{1}{2}}log_{b}(y)$

Substitute values.

$2(1) + \frac{5}{2}(0.36) - \frac{1}{2}(0.56) \\2.62$

4 0

3 years ago

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Please help and also include an explanation so I know how you got the answer.

Nastasia [14]

Answer:

x = 15

Step-by-step explanation:

We know that 4x° + 8x° make a straight angle of 180°.

4x° + 8x° = 180°

12x° = 180°

12x = 180

x = 180/12 = 15

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2 years ago

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*If 3 + 4(2x - 1) = 23, then 2x - 2 equals: * 2 4 6 8

Anarel [89]

Answer:

Step-by-step explanation:

3 + 4(2x - 1) = 23

4(2x - 1) = 20

8x - 4 = 20

8x = 24

x = 3

---------

2(3) - 2

6 - 2

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3 years ago