3 years ago

What is the answer to this equaction-8c+8=5c+2

Mathematics

1 answer:

Lyrx [107]3 years ago

4 0

Answer: c=-2

Step-by-step explanation:

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The sum of 4 consecutive odd numbers is 1040. Find the numbers.

Gennadij [26K]

Answer:

257+259+261+263 = 1040

Step-by-step explanation:

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3 years ago

How do I solve this?

Ivenika [448]

$\overline{XS}\cong\overline{YT}\Rightarrow 3m+7=4.2m+5\ \ \ |-7\\\\3m=4.2m-2\ \ \ \ |-4.2m\\\\-1.2m=-2\ \ \ \ |:(-1.2)\\\\m=\dfrac{2}{1.2}\\\\m=\dfrac{20}{12}\\\\m=\dfrac{5}{3}\to m=1\dfrac{2}{3}$

$\overline{YS}\cong\overline{XT}\Rightarrow3\dfrac{1}{2}r+2=2r+5\ \ \ \ |-2\\\\3\dfrac{1}{2}r=2r+3\ \ \ \ |-2r\\\\1\dfrac{1}{2}r=3\ \ \ |\cdot2\\\\3r=6\ \ \ \ |:3\\\\r=2$

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3 years ago

Use the x-intercept method to find all real solutions of the equation.<br> x^3-6x^2+3x+10=0

dedylja [7]

Answer:

x=-1 or 5 or 2

Step-by-step explanation:

x³-6x²+3x+10=0

(x+1)(x-5)(x-2)=0

x+1=0 ⇒ x=-1

x-5=0 ⇒x=5

x-2=0 ⇒ x=2

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3 years ago

What is the value of n when 7n – 18 = 5n + 6?

kirill [66]

Answer:

n=12

Step-by-step explanation:

7n-18 =5n+6

+18 to both sides

7n=5n+24

-5n from both sides

2n=24

divide by 2

n=12

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3 years ago

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Explain how are fractions, decimals, and percent related

erik [133]

Answer:

the relationship between fractions, decimals and percents is that they are just different numerical expressions of the same value.

Step-by-step explanation:

For example, 50% = $\frac{50}{100}$ = 0.50

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4 years ago