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3 years ago

13_,644=130,000

Mathematics

1 answer:

MrMuchimi3 years ago

7 0

Answer:

The possible digits 0, 1, 2 , 3 or 4 .

Step-by-step explanation:

The possible digits that could go in the thousands place to make 13_,644 ≈ 130,000 this statement correct are: 0 1, 2,3 or 4.

<u>For example:</u> 132,644 may rounded off to 130,000

Round the number to the nearest thousand make the numbers whose last three digit through 644 into the next lower numbers that ends in 000.

Using number line for this possibility as shown in the below diagram:

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In attempting to solve the system of equations and , John graphed the two equations on his graphing calculator. Because he saw o

asambeis [7]

Answer:

The correct answer is NO.

Step-by-step explanation:

John is graphing two lines with equations say ax + by + c = 0 and dx + ey +f =0 on his graphing calculator.

For John to get a unique solution the coefficients should follow the following condition $\frac{a}{d} \neq \frac{b}{e}$ . So when he plots the lines he get an intersecting pair of lines.

For John to get no solution the coefficients should follow the following condition $\frac{a}{d} = \frac{b}{e} \neq \frac{c}{f}$ . When we plot in this case we get two parallel lines.

For John to get an infinite many solution the coefficients should follow the following condition $\frac{a}{d} = \frac{b}{e} = \frac{c}{f}$ . And when we plot the lines in this case we get one line superimposed on the other.

Since after graphing, John sees only one line, the lines must have superimposed on one another giving John an infinite number of solutions.

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3 years ago

A hot air balloon is dropping from a height above the ground at a steady rate of 8 feet per second. It starts from a height of 7

pickupchik [31]

I believe the equation would be 765 -8t = 421. Then you would solve for t and get 43 seconds. I hope this helps!! :)

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3 years ago

Which two expressions have the same value?

Wewaii [24]

Answer:

One and two

Step-by-step explanation:

The answer is one and two since you would first multipy anyway using pemdas

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3 years ago

Read 2 more answers

Maya had $27. She spent all the money on buying 3 burgers for $x each and 2 sandwiches for $y each. If Maya would have bought 2

defon

Answer:

Option C

The student's conclusion is correct because the solution to the system of equations $3x+2y=27$ and $2x+y=16$ is $(5,6)$

Step-by-step explanation:

Let

x------> the cost of each burger

y-----> the cost of each sandwich

we know that

$3x+2y=27$ -----> equation A

$2x+y=(27-11)$

$2x+y=16$ ----> equation B

Solve the system of equations

Multiply the equation B by $-2$

$-2(2x+y)=-2*16$ -----> $-4x-2y=-32$ ------> equation C

Adds equation A and equation C

$3x+2y=27 \\-4x-2y=-32\\ ----------\\ 3x-4x=27-32\\ -x=-5\\x=5$

Substitute the value of x in the equation B

$2(5)+y=16$

$10+y=16$

$y=6$

The solution of the system of equations is the point $(5,6)$

The price of each burger is $\$5$

The price of each sandwich is $\$6$

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3 years ago

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Please help me with this question, thanks.

arlik [135]

Answer:

2.48×10^13 miles

Step-by-step explanation:

There are about (365.25 days)(86400 seconds/day) = 31,557,600 seconds in one year. There are 1609.344 meters in one mile. So, the conversion can be written as ...

(4.22 ly) (3×10^8 m/s) (3.15576×10^7 s/yr) / (1.609344×10^3 m/mi)

= 4.22×3×3.15576/1.609344×10^(8+7-3) mi

≈ 24.8×10^12 mi

4.22 light years is about 2.48×10^13 miles

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3 years ago