3 years ago

I need help with question #21, please.

Mathematics

1 answer:

snow_lady [41]3 years ago

5 0

Yes because 3+1=4 and there are 4 digits

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(1.3x + 2.4) + (-6.1x – 3.2)

melisa1 [442]

Step-by-step explanation:

In simplify form: 1.3x+2.4-6.1-3.2 = -4.8x-0.8

or factor the expression: =-4/5×(6x+1) Alternate form: -0.8(6x+1). I hope this helps.

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2 years ago

You visit the Grand Canyon and drop a penny off the edge of a cliff. The distance the penny will fall is 16 feet the first secon

fiasKO [112]

The penny will fall 112 feet the fourth second, 144 feet the fifth second, and 176 feet the sixth second. Therefore, the penny will be a total of 576 feet from the cliff at six seconds.

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2 years ago

Help me i’m stressed

Aleks04 [339]

Answer:

Step-by-step explanation:

${(6x + 11)}^{o} = {(10x - 9)}^{o} \\ 11 + 9 = 10x - 6x \\ 20 = 4x \\ \frac{20}{4} = \frac{4x}{4} \\ 5 = x \\$

x = 5°,

m∠1 = (6x + 11)°

${(6x + 11)}^{o} \\ 6(5) + 11 \\ 30 + 11 \\ {41}^{o} \\$

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2 years ago

The endpoints of GH¯¯¯¯¯¯¯¯ are G(9,−6) and H(−1,8). Find the coordinates of the midpoint M. The coordinates of the midpoint M a

jok3333 [9.3K]

Answer:

( 4, 1 )

Step-by-step explanation:

midpoint formula: (x1 + x2/ 2, y1 + y2/ 2)

(9-1/ 2, -6+8/ 2) -> (4,1)

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2 years ago

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles.

EastWind [94]

Green: 3/12
Black: 1/4

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