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Anna11 [10]
3 years ago
13

Manny receives 6 dollars each week for allowance. He also had 45 dollars saved from birthday gifts. If he currently has 111 doll

ars, write an equation to represent how many weeks Manny has been saving money.
A. 6 + 45 = 111w

B. 6w = 111 + 45

C. 6w − 45 = 111

D. 6w + 45 = 111

E. none of the above

Which one?
Mathematics
2 answers:
Mashutka [201]3 years ago
8 0

Answer:

I'm pretty sure its D

Step-by-step explanation:

w is represented by week of saving he gets 6 dollars every week so 6w

he gets 45 dollars from his presents so he adds the 45 to the equation leaving him 111 dollars

so the equation is 6w+45=111

puteri [66]3 years ago
6 0

Answer:

The answer is E.

Step-by-step explanation:

I am assuming that W is weeks, but however if you do the math on each one it doesn't equal 111, or it doesn't make sense. The first one doesn't make sense because why would 6 dollars and 45 dollars equal 111 weeks. The next one isn't a proper equation for this problem. The 3rd one is the exact opposite of the 4th one but neither of them add up to 111. So it has to be E.

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Answer:

area of the sector = 360π cm²

Step-by-step explanation:

To calculate the area of the sector, we will follow the steps below;

First write down the formula for calculating the area of a sector.

If angle Ф is measured in degree, then

area of sector = Ф/360   × πr²

but if angle Ф is measured in radians, then

area of sector = 1/2 × r² × Ф

In this case the angle is measured in radiance, hence we will use the second formula

From the question given, radius = 15 cm  and angle Ф = 8π/5

area of sector = 1/2 × r² × Ф  

                         =1/2 × 15² ×  8π/5

                         =1/2 ×225 × 8π/5

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area of the sector = 360π cm²

8 0
4 years ago
Find the sum of the following geometric sequences. d) 3 terms a= 16 r=3/4​
kodGreya [7K]

Answer:

S₃ = 37

Step-by-step explanation:

given a₁ = 16 and r = \frac{3}{4} , then

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Jlenok [28]

Answer:

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Step-by-step explanation:

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Blababa [14]

Answer:

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Step-by-step explanation:

Step 1: Add the numerator fractions.

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Here we have to find LCD, the LCD of 5 and 10 is 10

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Therefore,  2/5 + 3/10 = ---------------  = ------------------

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The reciprocal of -7/9 is -9/7

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The answer is  -\frac{9}{10}

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