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saveliy_v [14]
3 years ago
7

Hey:) can you please help me posted picture of question

Mathematics
2 answers:
irina1246 [14]3 years ago
7 0
Use F.O.I.L (first, outer, inner, last)
(x-3)(x-7)
x^2*-7x*-3x*21
simplify
x^2-10x+21
juin [17]3 years ago
4 0
Answer:
x² - 10x + 21

Explanation:
To answer this question, we will simply multiply each term from the first bracket by each term from the second and then combine like terms to get the final expression.

This can be done as follows:
(x - 3)(x - 7)
x(x) + x(-7) -3(x) -3(-7)
x² - 7x - 3x + 21
x² - 10x + 21

Hope this helps :)
You might be interested in
how many 5 letter combinations can be created from the letters in the world “friendly” assume that the order of the letters does
Artyom0805 [142]

Answer:

Number of combinations = 56

Step-by-step explanation:

Points to remember

nCₐ = n!/(r!(n - r)!)

The given word is "FRIENDLY"

F R I E N D L Y is a 8 letter word.

<u>To find the number of combinations</u>

5 letters can be selected from 8 letter = 8C₅

8C₅ = 8!/(8 - 5)!5!

 = 8!/3!5!

 = (8 * 7 * 6* 5!)/(1 * 2 * 3 * 5!)

 = 8 * 7

 =  56

5 letter combinations can be created from the letters in the world “friendly = 56

4 0
3 years ago
If 3x+5=11 what is the value of x-2
Alina [70]

Answer:

0

Step-by-step explanation:

x = 2

2 x 3 = 6 + 5 = 11

2 - 2 = 0

7 0
3 years ago
Someone please help me what is (m - 5) divided by 4 where 5 = 17
Softa [21]
If you mean where m=17 then the answer is 3 because 17-5 is 12 and 12/4 is 3.
3 0
2 years ago
PLEASE HELP ME!!!!!!!!!
mihalych1998 [28]

Answer:

A) 24

Step-by-step explanation:

Total weight - loaded weight = space remaining in the trailer: 1050kg - 82kg = 968kg

space remaining ÷ the number of transport: 968 ÷ 40 = 24.2 OR 24

Hope it helps you

3 0
2 years ago
Find the missing side or angle.
bonufazy [111]

Answer:

c = 6.1

Step-by-step explanation:

Given that: B = 18° , C = 152°,  and b = 4.

The missing side, c, can be determined by applying the sine rule which states that:

\frac{b}{Sin B} = \frac{c}{Sin C}

\frac{4}{Sin 18^{o} } = \frac{c}{Sin 152^{o} }

c = \frac{4* Sin 152^{o} }{Sin 18^{o} }

 = \frac{1.8779}{0.3090}

 = 6.0773

c = 6.1

Therefore,  the value of the missing side, c, is 6.1

3 0
3 years ago
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