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pav-90 [236]
3 years ago
12

Hi!!

Mathematics
1 answer:
VashaNatasha [74]3 years ago
7 0

Answer:

24 + 5b -b²

Step-by-step explanation:

i am not sure what is meant by propert/ identity but

8 x 3 = 24

8 x b = 8b

(-b) x 3 = (-3b)

(-b) x b = (-b)²

24 + 8b + (-3b) + (-b)²

24 + 5b - b²

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nancy started the year with $425 in the bank and is saving $25 a week. Seamus started the year with $875 and is spending $15 a w
Goryan [66]

They will have same amount in 45 weeks.

Step-by-step explanation:

Given,

Starting amount of Nancy = $425

Per week saving = $25

Let,

x represent the number of weeks.

N(x) = 25x+425

Starting amount of Seamus = $875

Per week saving = $15

S(x) = 15x+875

For same amount;

N(x) = S(x)

25x+425=15x=875\\25x-15x=875-425\\10x=450

Dividing both sides by 10

\frac{10x}{10}=\frac{450}{10}\\x=45

They will have same amount in 45 weeks.

Keywords: function, division

Learn more about functions at:

  • brainly.com/question/9738996
  • brainly.com/question/9729310

#LearnwithBrainly

3 0
3 years ago
Graph the piecewise function given below. i need help please
yawa3891 [41]

Answer:

this may help you.look it once

8 0
3 years ago
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Simplify:<br> 6x-7-11x+x<br><br> show all work if possible
Lady_Fox [76]
Just  matter of combining like terms
6x - 7 - 11x + x =
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3 0
4 years ago
<img src="https://tex.z-dn.net/?f=.3x%5E2%2Bx%3D.1x" id="TexFormula1" title=".3x^2+x=.1x" alt=".3x^2+x=.1x" align="absmiddle" cl
ra1l [238]

Answer: i think the answer is 0, -3

Step-by-step explanation:

5 0
3 years ago
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Please I really need help I will mark you as brainliest!
inna [77]

Answer:

∠ XYZ ≈ 72.9°

Step-by-step explanation:

Using the tangent ratio in the right triangle

tanXYZ = \frac{opposite}{adjacent} = \frac{XZ}{XY} = \frac{13}{4} , thus

XYZ = tan^{-1} (\frac{13}{4} ) ≈ 72.9°  to 1 dec. place )

4 0
3 years ago
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