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Rudik [331]
3 years ago
6

Madeline sold $167 worth of items at a garage sale and then received her $232 paycheck. Estimate how much money she now has by r

ounding to the nearest ten first and then adding the rounded numbers.
Mathematics
1 answer:
Lina20 [59]3 years ago
6 0
The answer is 60 dollars
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Solve for x. 8x2−3=2
gavmur [86]

8x^2 -3 = 2

add 3 to each side

8x^2 = 5

divide by 8

x^2 =5/8

take the square root of each side

x = +- sqrt (5/8)

7 0
3 years ago
∠A=5x−18. ∠B=3x+42∘ solve for x and then find the measure of ∠A
KatRina [158]

Answer:

x = 30 ∠A = 132 degrees

Step-by-step explanation:

Set the equations equal to each other to solve for x

5x - 18 = 3x + 42

-3x        - 3x               Subtract 3x from both sides

2x - 18 = 42

    + 18  + 18              Add 18 to both sides

2x = 60                     Divide both sides by 2

x = 30

Now plug this into the equation for angle A

∠A = 5(30) − 18        Multiply

∠A = 150 - 18           Subtract

∠A = 132 degrees

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6 0
3 years ago
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How can I learn to do standard notation and scientific notation?
jonny [76]
Just watch videos on youtube.
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3 years ago
Help me with number 1 please
viva [34]
17 25 and 1/2 34. 42 and 1/2
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3 years ago
Adam and Brianna plan to install a new tile floor in a classroom. Adam works at a constant rate of 50 tiles per hour, and Briann
natima [27]

Answer:

t≅13.33h

Step-by-step explanation:

Adam (A) works at constant rate of 50tiles/h

Briana (B) works at constant rate of 55tiles/h, this means that A=50 tiles per hour and B=55 tiles per hour, then A+B = 105tiles/h together, but the floor consists of 1400tiles, so if 105 tiles are installed in one hour, then 1400 tiles in how long they will be installed?

t = 1400tiles*h/105tiles≅ 13.33 h

7 0
3 years ago
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