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3 years ago

Eight times a number equals 35 more than the number. Find the number

Mathematics

2 answers:

Free_Kalibri [48]3 years ago

5 0

No theirs not because 5x8=40 and 8x4=32

ipn [44]3 years ago

4 0

8n = 35 + n

8n - n = 35
7n = 35
n = 35/7
n = 5

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olga nikolaevna [1]

The discount is 30%

Step-by-step explanation:

Given

Price of tape = $60

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In order to find the percentage, we will use the percentage formula

$Percentage = \frac{discount}{Price}*100\\= \frac{18}{60} *100\\=0.3 * 100\\= 30\%$

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3 years ago

Consider in the figure below.

yawa3891 [41]

Here BD is perpendicular bisector

UB=BV=74

$\\ \tt\hookrightarrow UV=74+74=148$

Apply Pythagorean theorem

$\\ \tt\hookrightarrow BD^2=UD^2-UB^2=UD^2-VD^2$

UD=VD=78=TD

$\\ \tt\hookrightarrow TC^2=TD^2-CD^2$

$\\ \tt\hookrightarrow TC^2=78^2-30^2$

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$\\ \tt\hookrightarrow TC=72$

6 0

2 years ago

Read 2 more answers

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Marianna [84]

9514 1404 393

Answer:

10x -5 +5h

Step-by-step explanation:

Use the function definition with the given arguments.

$\dfrac{f(x+h)-f(x)}{h}=\dfrac{(5(x+h)^2-5(x+h))-(5x^2-5x)}{h}\\\\=\dfrac{(5(x^2+2hx+h^2)-5(x+h))-(5x^2-5x)}{h}\\\\=\dfrac{5x^2+10hx+5h^2-5x-5h-5x^2+5x}{h}=\dfrac{10hx-5h+5h^2}{h}\\\\=\boxed{10x-5+5h}$

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