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3 years ago

9 is 1/10 of what number

Mathematics

2 answers:

Oxana [17]3 years ago

7 0

9 is 1/10 of 90 because if you add 1 zero it is 90

sergejj [24]3 years ago

3 0

9 is 1/10 of 90 because if you multiply 9 and 10 you get 90

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Solve for x trignometry

BigorU [14]

9514 1404 393

Answer:

23.44

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation ...

Tan = Opposite/Adjacent

tan(38°) = x/30

x = 30·tan(38°) ≈ 23.4386

x ≈ 23.44

3 0

3 years ago

Find the inverse function. f(x) = Vx - 1+4

seraphim [82]

Answer:

f^-1(v)=v/x-3/x

Step-by-step explanation:

4 0

2 years ago

I need the answer to a parts I-iii and the answer to b

fomenos

Answer:

i) Mean = 72

ii) Median = 72

iii) Mode = 72

69, 70, 71, 72, 72, 72, 73, 74, 75

Step-by-step explanation:

a. To find mean, median and mode

It is given that all the 9 students get 72 marks.

Therefore the data set be,

72, 72, 72, 72, 72, 72, 72, 72 72

i) mean = (sum of data)/(total number of data)

= (9 * 72)/9 = 9

ii) Median - Central data in the data set when arranging ascending or descending order

72, 72, 72, 72, 72, 72, 72, 72 72

Median = 72

iii) Mode - Most repeating data in the data set

Here mode = 72

b). To find a data set

69, 70, 71, 72, 72, 72, 73, 74, 75

Here Mean, mode and median are all 72

3 0

3 years ago

85% of the students in Yvan’s school walk to school. If 816 students walk to school, how many students are in the school?

storchak [24]

<h2>Hello There today we will solve your problem</h2>

$\huge\red{\mid{\underline{\overline{\textbf{QUESTION}}}\mid}}$

85% of the students in Yvan’s school walk to school. If 816 students walk to school, how many students are in the school?

Response-

Since we are using percents we can make an equation out of this question

$\frac{85}{100}=\frac{816}{x}$

$\frac{85}{100}$ is the way we write percents in math as a fraction

and $\frac{816}{x}$ is the part and whole you gave us

$\frac{85}{100}=\frac{816}{x}$ cross multiply

$85x=81600\\divide\\x=960$ students are in the school

$\huge\blue{\mid{\fbox{\tt{ANSWER}}\mid}}$

$960$ students at Y'vans school

6 0

2 years ago

What is the answer to x+3/5=1/6

salantis [7]

Answer:

x= -13/30

Step-by-step explanation:

For this you have to get rid of the 3/5 first.

By doing this you do it on both sides.

Which will get you -3/5 on the left side.

X = 1/6

-3/5 on the right side

x = -13/30

6 0

3 years ago