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4 years ago

How do you solve the problem for this equation? 3+5x=3

Mathematics

2 answers:

sukhopar [10]4 years ago

6 0

Answer:

Step-by-step explanation:

3+5x=3

Subtract three from both sides

5x=0

0/5 is 0

So x=0

Mazyrski [523]4 years ago

4 0

Answer:

x=0

Step-by-step explanation:

3+5(0)=3

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Find a + b, 9a + 7b, |a|, and |a − b|. a = 9i − 8j + 7k, b = 7i − 9k

Evgesh-ka [11]

A+b=9i-8j+7k+(7i-9k)
=9i-8j+7k+7i-9k
=16i-8j-2k
9a+7b=9(9i-8j+7k)+7(7i-9k)
=81i-72j+63k+49i-63k
=130i-72j
|a|=| 9i-8j+7k |
|a-b|=|9i-8j+7k-(7i-9k)|
=|9i-8j+7k-7i+9k|
=|2i-8j+16k|
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7 0

4 years ago

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I will give brainliest pls help

ahrayia [7]

Answer:

$Slope= -1$

Step-by-step explanation:

Step 1: Find the slope

$Slope\ Formula: \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Plug in the numbers and solve.

$Slope= \frac{-6-(-5)}{6-5}$

$Slope= \frac{-1}{1}$

$Slope= -1$

Answer: $Slope= -1$

3 0

3 years ago

What is 20:50 (Equivalent Ratios)

Arturiano [62]

Answer: 20 : 50 (m1 = 1) 40 : 100 (m2 = 2) 60 : 150 (m3 = 3) 80 : 200 (m4 = 4) 100 : 250 (m5 = 5) . Bababoi

Hope I helped

Step-by-step explanation:

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3 years ago

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A consumer affairs investigator records the repair cost for 44 randomly selected TVs. A sample mean of $54.41$ 54.41 and standar

anzhelika [568]

Answer:

($47.245; $61.575)

Step-by-step explanation:

Mean sample repair cost (X) = $54.41

Standard deviation (s) = $28.89

Sample size (n) =44

Z-score for a 90% confidence interval (z) = 1.645

The confidence interval, assuming a normal distribution, is given by:

$X \pm z\frac{s}{\sqrt{n}}$

Applying the given data, the lower (L) and upper (U) bounds of the interval are:

$L=54.41-1.645*\frac{28.89}{\sqrt{44}} \\L=\$47.245\\U=54.41+1.645*\frac{28.89}{\sqrt{44}} \\U=\$61.575$

The confidence interval is I = ($47.245; $61.575)

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4 years ago

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Sofia is helping set up for a wedding. There are 80 chairs that need to be arranged in a room, and 60% of those chairs are still

Genrish500 [490]

Answer:

Step-by-step explanation:

10% of 80 is 8 and 20% is 16 so lets do 40% which is 32 60% 32+16=48 8x10=80

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3 years ago