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3 years ago

What does $1.99 $1.99; × 10 =

Mathematics

1 answer:

AlladinOne [14]3 years ago

8 0

Answer:

I'm going to assume that the question was $1.99 × 10 because $1.99 $1.99; × 10 is not possible, so if that was the question, the answer would simply be false. The answer I got for $1.99 × 10 was 19.9

Answer: 19.9

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What is the property to equation <br><br> 3+2=2+3

hoa [83]

Answer:

Commutative property w.r.t '+'

Step-by-step explanation:

3+2 =3+2

As both side contain two variable and both are adding and their answer is also same.

5=5

so this is commutative property with respect to addition.

7 0

3 years ago

A random sample of 64 bags of white cheddar popcorn weighed, on average, 5.23 ounces with a standard deviation of 0.24 ounce.

emmasim [6.3K]

Answer:

We conclude that cheddar popcorn weighed less than 5.5 ounces.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ =5.5 ounces

Sample mean, $\bar{x}$ = 5.23 ounces

Sample size, n = 64

Alpha, α = 0.05

Sample standard deviation, σ = 0.24 ounce.

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 5.5\text{ ounces}\\H_A: \mu < 5.5\text{ ounces}$

We use One-tailed z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{5.23 - 5.5}{\frac{0.24}{\sqrt{64}} } = -9$

Now, $z_{critical} \text{ at 0.05 level of significance } =-1.645$

Since,

$z_{stat} < z_{critical}$

We reject the null hypothesis and accept the alternate hypothesis. Thus, we conclude that cheddar popcorn weighed less than 5.5 ounces.

3 0

3 years ago

Please help me answer number 4! And if you can, please explain!

Leno4ka [110]

If Nathan does 9 minutes of push ups for 3 days, that's 9 divided by 3, which is 3. (9/3=3) So nathan does 3 minutes of push ups each day, so just multiply each day by 3 to find the correlation between the two.

The Table should look like this:

# of days # of Minutes
1 3
2 6
3 9
4 12
5 15
6 18
7 21

5 0

3 years ago

2 Charlie makes $34 an hour and will get a 20% raise starting next week. Choose True or False

Alex_Xolod [135]

Answer:

Step-by-step explanation:

1 False

2 True

3 False

4 false

lol that was ezy

8 0

3 years ago

Read 2 more answers

if 7 dancers were at a dance and 46 more came in and h left and there was 13 dancers left how many was h

TEA [102]

<span>If 7 dancers were at a dance and 46 more came in and h left and there was 13 dancers left how many was h
</span>- h is 70.

5 0

3 years ago