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nordsb [41]
3 years ago
12

Fill in the blank spaces

Mathematics
2 answers:
lianna [129]3 years ago
7 0

Answer:

1-b-8

2-b-15

Step-by-step explanation:

andrew-mc [135]3 years ago
4 0
1) b. 8
2) b. 15

Do you need an explanation?
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Plz help me with this question ASAP!!<br><br> Thank you so much brother<br><br> Plz answer fast
sasho [114]

Answer:

give more than 5 points and maybe you'll get help

7 0
2 years ago
Multiply (-2/3) (5/4)<br><br> Quick help!
ki77a [65]

Answer: -\frac{5}{6}

Step-by-step explanation:

When you multiply fractions, you multiply straight across and simplify.

-\frac{2}{3}*\frac{5}{4}           [multiply]

-\frac{10}{12}               [simplify]

-\frac{5}{6}

Now, we know that the product is -\frac{5}{6}.

8 0
3 years ago
Suppose you have a living room that needs new carpet and it measures 16 feet for length and 13 feet for width. Knowing that the
zlopas [31]
The cost of the carpet prior to taxes is $1,212.64 
3 0
3 years ago
the times of all 15 year olds who run a certain race are approximately normally distributed with a given mean
Butoxors [25]

The percentage of the runners who have times less than 14.4 sec is  0.15%

The times of all 15-year old who run a certain race are approximately normally distributed with a given mean of 18 sec and a standard deviation of 1.2 sec.

We know that,

where,

X = raw score = 14.4

μ = mean = 18

σ = standard deviation = 1.2

Putting the values,

Finding the probability from the z score table, we get

P(z < -3) = 0.00135 = 0.135%

Disclaimer: The question is incomplete. Please read below to find the missing content.

Question: The times of all 15-year-olds who run a certain race are approximately normally distributed with a given mean of 026-1 = 18 seconds and a standard deviation of 026-2. = 1.2 sec. What percentage of the runners have times less than 14.4 seconds?

0.15%

0.15%

0.30%

0.60%

2.50%

Learn more about percentages here brainly.com/question/809966

#SPJ4

8 0
1 year ago
How do i find f(-1)?
jonny [76]
F(-1) is the inverses of an equation so plug in y for x.
4 0
2 years ago
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