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solong [7]
3 years ago
9

-8(5b + 2) -7(b - 5)

Mathematics
2 answers:
Zanzabum3 years ago
7 0

Answer:

-47b + 19

Step-by-step explanation:

skad [1K]3 years ago
4 0
-40b-16-7b+35
-47b-16+35
-47b+19
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What is the value of 3^5 times 3^3 divided by 3^4
sesenic [268]

Answer:

3^4

Step-by-step explanation:

One of the laws of exponents is that when you are multiplying exponents with the same base, then you add their powers. So,

3^5 x 3^3 = 3^8

Another law is when dividing exponents with the same base, you can subtract the powers. So,

3^8/3^4 = 3^4

Hope this helps!

3 0
3 years ago
Read 2 more answers
WHAT IS THE VALUE OF 2 IN 80,250 PLEASE HELP ME
labwork [276]

Hey there!

80,250 \\ \\ \\ \\ 8 = 80,000 = (Ten) Thousand \\  0 = 0 = Thousands \\ \\  2= 200 = Hundreds \\ 50 = 50 = Tens \\ 0 = 0 = Ones

So, therefore... the value 2 in this number would be Hundreds

Answer: Hundreds

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

5 0
3 years ago
What is the area of Δ STR?
Rufina [12.5K]
Answer:  The area of the triangle is:  " 30 ft.² " .
_____________________________________________________
Explanation:
→ A = " 30 ft.² " .
_____________________________________________________
Area of a triangle, "A" = 1/2 * (base length) * (perpendicular height) ; 

that is: 

" A = (1/2) * b * h " ; 

→ A = (1/2) * (6 ft) * (10 ft) ;  ←  Plug in the given values from the "diagram" ; 
 
        = (3 ft) * (10 ft) ; 
______________________________________________________
→ A = " 30 ft.² " .
______________________________________________________ 
6 0
4 years ago
Factor the polynomial 4x^2-12x^2+7x-21 completely
sergejj [24]

Answer:

4x^2-12x^2+7x-21\\\mathrm{Add\:similar\:elements:}\:4x^2-12x^2=-8x^2\\=-8x^2+7x-21

Step-by-step explanation:

6 0
3 years ago
What is the value of c in the following equation: 29.4 + c = 62
baherus [9]

Answer:

D) 32.6

Step-by-step explanation:

This question is asked to find the value of "c", a variable.

We can rewrite the equation like this: 62 = 29.4 + c.

So, something + 29.4 = 62.

62 - 29.4 = 32.6.

Hope this helps!

6 0
3 years ago
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