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Natasha2012 [34]
3 years ago
12

84,552 rounded to the nearest 1000 and 100 and 10

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
7 0

Answer:

85,000; 84,600; 84,550

Step-by-step explanation:

84,552 is closer to 85,000

84,552 is closer to 84,600

84,552 is closer to 84,550

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Pran ran 29 miles less than Robin last week. Pran ran 19 miles. How many<br> miles did Robin run?
9966 [12]
Pran= 19
Robin= 29+19

29+19= 48
5 0
3 years ago
A line passes through (-5, -3) and is parallel to -3x - 7y = 10. The equation of the line in slope-intercept form is _____
Dmitry [639]

Answer:

-3x - 7y = 36

Step-by-step explanation:

The given line -3x - 7y = 10 has an infinite number of parallel lines, all of the form -3x - 7y = C.

If we want the equation of a line parallel to -3x - 7y = 10 that passes through (-5, -3), we substitute -5 for x in -3x - 7y = 10 and substitute -3 for y in -3x - 7y = 10:

-3(-5) - 7(-3) = C, or

15  + 21 = C, or C = 36

Then the desired equation is -3x - 7y = 36.

4 0
3 years ago
An airplane has a total of 414 packets of crackers, pretzels, and peanuts available for passengers.
zhenek [66]
There is no question in Part A, but i do what i can.

Part A.
We know that:

n - number of <span>packets of crackers
p -</span> <span>number of packets of pretzels

p = 2n+9

s - </span><span>number of packets of peanuts

s = 3p = 3(2n+9) = 6n+27

So:

n+p+s=414\\\\n+(2n+9)+(6n+27)=414\\\\9n+36=414\quad|-36\\\\9n=378\quad|:9\\\\\boxed{n=42}\\\\\\&#10;p=2n+9=2\cdot42+9=\boxed{93}\\\\s=6n+27=6\cdot42+27=\boxed{279}

There are 42 </span><span>packets of crackers, 93 </span><span>packets of pretzels and 279 packets of peanuts.

Part B.

x - number of rows with exactly 2 </span><span>passengers
y </span>- number of rows with exactly 3 <span>passengers

and:

\boxed{\begin{cases}x+y=48\\2x+3y=132\end{cases}}\\\\\\&#10;\begin{cases}x+y=48\quad|\cdot2\\2x+3y=132\end{cases}\\\\\\&#10;\begin{cases}2x+2y=96\\2x+3y=132\end{cases}\\\\--------(-)\\\\2x-2x+2y-3y=96-132\\\\-y=-36\\\\\boxed{y=36}\\\\\\x+y=48\\\\x+36=48\\\\x=48-36\\\\\boxed{x=12}

There are </span><span>12 rows with exactly 2 passengers and 36 rows with exactly 3 passengers.</span>
3 0
4 years ago
What is the formula to find the volume of the solid ?
tester [92]

Answer:

Step-by-step explanation:

This solid figure is a cone,

Volume=(πr²H)/3 cubic units

r ----> radius

H -------> height

6 0
3 years ago
NEED HELP ASAP 70 POINTS
Nataliya [291]

Answer:

1) Option A) is correct

The given rational exponent expression is not simplified correctly as a radical expression is

x^{\frac{7}{4}}=\sqrt[7]{x^4}

2)Option A) is correct

That is (729x^3y^{-18})^{\frac{1}{6}}=\frac{3\sqrt{x}}{y^3}

Step-by-step explanation:

1) Given that x^{\frac{7}{4}}=(\sqrt{x^7})^\frac{1}{4}

x^{\frac{7}{4}}=\sqrt[4]{x^7} is the correct answer but in the given problem they gave the RHS as wrong.

Therefore the given rational exponent expression is not simplified correctly as a radical expression is

x^{\frac{7}{4}}=\sqrt[7]{x^4}

2)Given that the rational exponent expression is (729x^3y^{-18})^{\frac{1}{6}}

To find it as a radical expression:

(729x^3y^{-18})^{\frac{1}{6}}=(729)^{\frac{1}{6}}(x^3)^{\frac{1}{6}}((y^{-18})^{\frac{1}{6}})

=3(x^{\frac{3}{6}})(y^{\frac{-18}{6}})

=3(x^{\frac{1}{2}})(y^{-3})

=\frac{3\sqrt{x}}{y^3}

Therefore (729x^3y^{-18})^{\frac{1}{6}}=\frac{3\sqrt{x}}{y^3}

Therefore Option A) is correct

That is (729x^3y^{-18})^{\frac{1}{6}}=\frac{3\sqrt{x}}{y^3}

3 0
3 years ago
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