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2 years ago

6

6 less than the product of 3 and a number. As an algebraic expression

1 answer:

zhenek [66]2 years ago

5 0

Answer:

3n -6

Step-by-step explanation:

Let the number be n :

Product of 3 and n = 3n

6 less will be 3n- 6

Hope this helped and have a good day

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Find the value of x of this question

mel-nik [20]

<h3><u>Let's</u><u> </u><u>understand</u><u> </u><u>the concept</u><u>:</u><u>-</u></h3>

Here angle B is 90°
So $\triangle ABC$ and $\triangle ABD$ Are right angled triangle
So we use Pythagoras thereon for solution

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>

First in triangle ABC

perpendicular=p=8cm

Hypontenuse =h =10cm

We need to find base=b

According to Pythagoras thereon

${\boxed{\sf b^2=h^2-p^2}}$

Substitutethe values

$\longrightarrow$ $\sf b^2=10^2-p^2$

$\longrightarrow$ $\sf b={\sqrt {10^2-8^2}}$

$\longrightarrow$ $\sf b={\sqrt{100-64}}$

$\longrightarrow$ $\bf b={\sqrt {36}}$

$\longrightarrow$ $\sf b=6$

$\therefore$ $\overline{BC}=6cm$

BD=BC+CD

$\longrightarrow$ $BD=9+6$

$\longrightarrow$ $BD=15cm$

Now in $\triangle ABD$

Perpendicular=p=8cm

Base =b=15cm

We need to find Hypontenuse =AD(x)

According to Pythagoras thereon

${\boxed {\sf h^2=p^2+b^2}}$

Substitute the values

$\longrightarrow$ $\sf h^2=8^2+15^2$

$\longrightarrow$ $\sf h={\sqrt {8^2+15^2}}$

$\longrightarrow$ $\sf h={\sqrt {64+225}}$

$\longrightarrow$ $\sf h={\sqrt {289}}$

$\longrightarrow$ $\sf h=17cm$

$\therefore$ ${\underline{\boxed{\bf x=17cm}}}$

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3 years ago

A cell phone company charges by the minute (and partial minute) for a phone call. Arionna’s plan includes 300 minutes in the $20

den301095 [7]

24.25l
24l    /
23.75l   /
23.50l /
23.25l/
20l--------------------
300, 301, 302, 303, 304, 306
can't really draw on here but hopefully you get The idea

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3 years ago

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andreev551 [17]

Answer:

The answer is true

Step-by-step explanation:

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3 years ago

Find the 97th term of the arithmetic sequence 17, 26, 35, ...

vagabundo [1.1K]

Answer:

881

Step-by-step explanation:

Arithmetic sequences can be written as:

$a_n = a_1 + (n-1)d\\a_1 \: is \: 17\\a_n = 17 + (n-1)d\\$

The second term is 26,

$26 = 17 + (2-1)d\\9 = 1d\\d = 9\\a_n = 17 + (n-1)*9\\a_n = 17 + 9n - 9\\a_n = 8 + 9n$

So, the $97^t^h$ term is

$a_9_7 = 8 + 9(97)\\a_9_7 = 8 + 873\\a_9_7 = 881$

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3 years ago

Jordan used 8 centimeters of tape to wrap 2 presents. How much tape will Jordan need in all

Luda [366]

Answer:

32

Step-by-step explanation:

8×4=32 since you wrap two presents with 8

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3 years ago