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3 years ago

Please help, I need it due today and urgently! Please give a small explanation and an answer

Mathematics

1 answer:

Lana71 [14]3 years ago

8 0

Answer:

0=0 1=1 <u> 6<8</u>

Since 6 < 8 0.16 < 0.18

so, the hummingbird weighs more than a nickel

Step-by-step explanation:

6 is less than 8 so therefore .16 is less than .18. The nickel weighs .18 and .16 is less than that.

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Twice the difference between a number and 4 is twenty. Find the number.

kogti [31]

Answer:

D 14

Step-by-step explanation:

Let x be the number

2(x-4) = 20

Divide each side by 2

2/2(x-4) = 20/2

x-4 = 10

Add 4 to each side

x-4+4 = 10+4

x = 14

7 0

3 years ago

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2x - 2y = 2 and 7 = -x

Elina [12.6K]

Answer:

y = -6

Step-by-step explanation:

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4 years ago

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A van traveling at a speed of 32.0 mi/h needs a minimum of 42.0 ft to stop. If the same van is traveling 67.0 mi/h, determine it

makkiz [27]

Answer:

Δx= 184.12 ft

Step-by-step explanation:

The equation you need to use is velocity as a function of displacement.

$v^2= u^2 +2a(\delta x)$

v = the speed at which the car is travelling,

and

v_o is the original speed (in this case zero).

The change in x (displacement) is how far the car travels. You will be solving for a (acceleration).

$32^2= 0^2+ 2a\times42$

solving we get

a= 12.19

now put this acceleration value into the second case when v= 67mi/h

$67^2= 0^2 + 2\times12.19(change in x)$

⇒Δx= 184.12 ft

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3 years ago

A triangle has angle measures of 95° and 65° What is the measure of the third angle <br>

Svetradugi [14.3K]

The third angle is 20°. This is because you add the two angles you have already (95+65) and then you subtract that from 180. In simplier words: If you know 2 angles then you can subtract their sum from 180° to find the measure of the 3rd angle.

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3 years ago

Helpppppp need it very badly

IrinaK [193]

Answer:

he gave him 4 books.

Step-by-step explanation:

10-6=4

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3 years ago