3 years ago

−5(1−5k)−4(2k+5), I got this problem on khan academy and can't figure it out

Mathematics

1 answer:

ikadub [295]3 years ago

3 0

Your answer would be 1.13 repeating or no solution.

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Find the magnitude of angle A if cos A = 0.5

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That’s the answer enjoy

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3 years ago

Your family picked apples over the weekend. 1/8 of the apples picked were golden delicious and 1/4 were McIntosh. The remaining

SVEN [57.7K]

Answer:

5/8

Step-by-step explanation:

1/4=2/8

2/8+1/8=3/8

8/8-3/8=5/8

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3 years ago

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3 years ago

I need help ASAP :/ I need the explanation

PtichkaEL [24]

Is 17x-2 supposed to be angle T? This is a bad question; demand better from your teachers.

Let's assume 17x-2 = angle T. S is a right angle because it's subtended by a diameter, Thales' Theorem. R is half 116 degrees, so 58 degrees. T is complementary, T=90-58=32 degrees.

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4 years ago

Which number sentence does the following number line represent?

siniylev [52]

Answer:

Last option: $3+(-7)=-4$

Step-by-step explanation:

The number line can help us to make additions and subtractions.

To add a positive number we need to move the point to the right and to add a negative number we need to move the point to the left.

You can observe in the figure that the point on the number line is moved from 3 to -4, then it is moved 7 places to the left. Therefore, you can express it in the following form:

$3+(-7)$

This is:

$3+(-7)=3-7=-4$

Then the number line represents this number sentence:

$3+(-7)=-4$

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3 years ago