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Georgia [21]
3 years ago
15

The difference of two numbers is 45. Their sum is 55. What are the two numbers?The difference of two numbers is 45. Their sum is

55. What are the two numbers?
Mathematics
1 answer:
Montano1993 [528]3 years ago
8 0

Answer:

50, 5

Step-by-step explanation:

X=number 1

x-45=number 2

x+(x-45)=55

2x=100

x=50 number 1

x-45 is number 2

50-45=5 number 2

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Convert the angle 4.5 radians to degrees, rounding to the nearest 10th
olganol [36]

Answer:

2544.8

Step-by-step explanation:

To find 4.5 radians in degress, multiply 4.5 radians by 180°π radians

4.5 x 180°π≈4.5*565.5=2544.75≈2544.8

6 0
3 years ago
Write the phrase as an algebraic equation: A number m decreased by 9 is 12.​
finlep [7]

Answer:

9 - m = 12

Step-by-step explanation:

9 - m = 12

mark as brailnlest:)

6 0
3 years ago
How do you do both parts?
AnnZ [28]

Step-by-step explanation:

f(x) = 1 / (5 + x)

Divide top and bottom by 5.

f(x) = ⅕ / (1 + ⅕x)

f(x) = ⅕ / (1 − (-⅕x))

Write as a geometric series.

f(x) = ∑ₙ₌₀°° ⅕ (-⅕x)ⁿ

f(x) = ∑ₙ₌₀°° ⅕ (-1)ⁿ (⅕)ⁿ xⁿ

f(x) = ∑ₙ₌₀°° (-1)ⁿ (⅕)ⁿ⁺¹ xⁿ

Use ratio test:

lim(n→∞)│aₙ₊₁ / aₙ│< 1

lim(n→∞)│[(-1)ⁿ⁺¹ (⅕)ⁿ⁺² xⁿ⁺¹] / [(-1)ⁿ (⅕)ⁿ⁺¹ xⁿ]│< 1

lim(n→∞)│-1 (⅕) x│< 1

│x/5│< 1

│x│< 5

-5 < x < 5

If x = -5, ∑ₙ₌₀°° ⅕ (-1)ⁿ (⅕)ⁿ (-5)ⁿ = ∑ₙ₌₀°° ⅕ (1)ⁿ, which diverges.

If x = 5, ∑ₙ₌₀°° ⅕ (-1)ⁿ (⅕)ⁿ (5)ⁿ = ∑ₙ₌₀°° ⅕ (-1)ⁿ, which diverges.

The interval of convergence is therefore (-5, 5).

4 0
3 years ago
1) A grocer sold 5 kg of wheat flour at Rs 30 per kg and gained 20%. If he had sold
natita [175]

Answer:

given,

selling price (sp)=rs 5 ×30

=rs 150

now, gain %=20%

cost price (cp)=

\frac{sp \times 100}{100 + gain\%}

= \frac{150 \times 100}{100 + 20}

therefore cp= rs125

now,

again in 2nd case

sp= rs 27×5

therefore sp=rs 135

and cp= rs125

now, sp>cp so,

gain\% = \frac{sp - cp}{cp}  \times 100\%

or, gain=

=  \frac{135 - 125}{125}  \times 100\%

therefore gain %= 8%.... is answer

<em>hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em>.</em>

6 0
3 years ago
(17^4)^6 <br><br> urgent please help?
qaws [65]
The answer would be 3.3944867e+29 but seeing how you didn’t give more detailing I’m not sure if it’s specifically the answer you need.
5 0
3 years ago
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