3 years ago

Help and fast

Mathematics

2 answers:

katovenus [111]3 years ago

5 0

Answer:

3 cm base ; 6 cm height

Step-by-step explanation:

i got it right

kolbaska11 [484]3 years ago

3 0

Answer:

3 cm base, 6 cm height

Step-by-step explanation:

base is already labeled and the height is as well

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Dan buys candy that costs$5 per pound. He will spend at least $35 on candy. What are the possible numbers of pounds he will buy?

valina [46]

Answer:

7 and up

Step-by-step explanation:

35 / 5 = 7

Dan buys at least 7 bags

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3 years ago

Show all work to solve by factoring 3x^2 − x − 2 = 0.

shtirl [24]

Answer:

The solutions are x=1 and x=-2/3

Step-by-step explanation:

we have

$3x^{2}-x-2=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$3x^{2}-x=2$

Factor the leading coefficient

$3(x^{2}-(1/3)x)=2$

Complete the square. Remember to balance the equation by adding the same constants to each side

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$3(x^{2}-(1/3)x+(1/36))=25/12$

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$3(x-(1/6))^{2}=25/12$

$(x-(1/6))^{2}=25/36$

square root both sides

$(x-(1/6))=(+/-)(5/6)$

$x=(1/6)(+/-)(5/6)$

$x=(1/6)(+)(5/6)=1$

$x=(1/6)(-)(5/6)=-2/3$

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3 years ago

The diagram shows a regular pentagon with centre 0. Work out the size of angle x.

kherson [118]

Step-by-step explanation:

1. Use exterior angles (each adds up to 360) to find interior angles

2. Add this together

3.Take it away from 360

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azamat

Answer:

Step-by-step explanation:

3r= 10 +5s

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