3 years ago

PLEASE HELP ME

Mathematics

1 answer:

aliina [53]3 years ago

4 0

Answer: i think that it is 479.36

Step-by-step explanation:

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Two classroom have a total of 45 people in them. the first class is a math class with 5 more students than the science class. Ho

german

Answer:

$x=25$

Step-by-step explanation:

Set an equation:

$x + x -5 = 45$

Combine like terms:

$2x - 5 = 45$

Add 5 to both sides:

$2x = 50$

Divide both sides by 2:

$\frac{2x}{2} = \frac{50}{2}$

$x = 25$

6 0

3 years ago

there are several vehicles in a parking lot. some of them are motorcycles and some are cars there are 11 vehicles in the lot and

AURORKA [14]

Answer:

10 cars and one motorcycle

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Let (a) be a rational number and (b) an irrational number. Which of these statements would be true? Check all that apply

arlik [135]

C E F XHCHCJGJGJFHCHCHXHCHCCHHCBCBCBC

3 0

3 years ago

Pls help if u can!!

irinina [24]

21Step-by-step explanation:

5 0

3 years ago

On average 83.1% of welds performed by a particular welder are defective. if, in one day, the welder creates three welds. what i

Nuetrik [128]

Let p be 0.831 denote the percentage of defective welds and q be 0.169 denote the percentage of non-defective welds.

Using the binomial distribution, we want all three to be defective.
$P(X = 3) = \binom{3}{3}(p)^{3}{q}^{3 - 3}$
$P(X = 3) = \binom{3}{3}(0.831)^{3}(1)$
$P(X = 3) = (0.831)^{3} \approx 0.573856191$

4 0

3 years ago