3 years ago

Three vehicles recorded their information about their trips.

Mathematics

1 answer:

nlexa [21]3 years ago

3 0

Ummm I think it is 2 hours and 3 miles for the van for the truck I don’t know and I don’t know

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Kelsi has 48 books 2/6 of those books are fantasy and sci-fi .3/8 of those books are sci-fi . How many of kelsi’s books are sCI-

Akimi4 [234]

Answer:

We know that 2/6 * 48 = 16 books are fantasy and sci-fi. Of those, 16 * 3/8 = 6 books are sci-fi.

4 0

3 years ago

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If -1 is one of the roots of the equation 3x² - 2k - 2x - 1 = 0, find the value of k.

snow_tiger [21]

Answer:

k = 2

Step-by-step explanation:

Given that x = - 1 is a root of the equation, then it satisfies the equation.

Substitute x = - 1 into the equation and solve for k, that is

3(- 1)² - 2k - 2(- 1) - 1 = 0

3 - 2k + 2 - 1 = 0

- 2k + 4 = 0 ( subtract 4 from both sides )

- 2k = - 4 ( divide both sides by - 2 )

k = 2

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4 years ago

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The ecology club has volunteered to clean up 4.8 kilometers of highway. The members are organized into 16 teams. Each team will

mamaluj [8]

0.3 km

you would do 4.8 divided by 16

8 0

3 years ago

Help me please please

Elina [12.6K]

Answer: 7

Step-by-step explanation:

m∠ABC = 40°. Since BD is an angle bisector (divides the angle into two congruent angles), then m∠ABD = 20° and m∠CBD = 20°

ABD = 20 and ABD = 3x - 1

⇒ 20 = 3x - 1

⇒ 21 = 3x

⇒ 7 = x

Check:

CBD = 20 and CBD = 34 - 2x

⇒ 20 = 34 - 2x

⇒ -14 = -2x

⇒ 7 = x $\checkmark$

8 0

3 years ago

ASAP ANSWER PLEASE :)

Elan Coil [88]

Answer:

158 in2

Step-by-step explanation:

15+15 = 30

24 + 24= 48

40 + 40 = 80

= 158

4 0

3 years ago