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Paraphin [41]
3 years ago
14

What is the value of the expression? 2(-5.25)

Mathematics
1 answer:
Alexus [3.1K]3 years ago
6 0

Answer:

-10.5

Step-by-step explanation:

2 x (-5.25) = -10.5

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Simplify 81^5=3^w and find w
Allisa [31]

Answer:

w = 20

Step-by-step explanation:

<u>Step 1:  Find common bases</u>

81^5 = 3^w

81 → 3 * 3 * 3 * 3 → 3^4

Therefore, 81 = 3^4

81^5 → 3^(^4^)^*^5 → 3^2^0

So... 3^2^0 = 3^w

Since same base now, we can evaluate the exponents by themselves.

20 = w

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Name the angles that are complements to SWT
zlopas [31]
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Given that the measure of angle SWT is 50 degrees, thus, the measure of the complementary angles will be 90 - 50 = 40 degrees.

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Recall that the angle on a straight line is equal to 180 degrees, thus the sum of the measures of angles USP, WST and TSV is 180 degrees.
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Therefore, the complementary angles to angle SWT are angle USP and angle TSV.
7 0
4 years ago
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A line passes through the points (−1, −2) and (−2, −6) .
Strike441 [17]
To complete this equation, it is vital to know the slope. To find the slope using points, you subtract the first x from the second, and the first y from the second. This gives you a slope of 4. Then, you must follow point-slope form and choose one of the order pairs to use. You then write y then the negative of your number. Since the number is already negative, you turn it into a positive. On the other side of the "=" sign, you write your slope, 4 distributing to x. Then you write the negative of your x value. Since it is already negative, it turns into a positive. This gives you a final answer of y+1=4(x+2). I realize that this doesn't line up with your fill-in-the-blank answer, so I am sorry if it doesn't work.
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3 years ago
Someone please help me with these. I forgot how to do these. Need within a hour
Pavlova-9 [17]

Answer: same

Step-by-step explanation:

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