3 years ago

Find the distance between (-4,3) and (-1,-5)

Mathematics

1 answer:

xxTIMURxx [149]3 years ago

3 0

Answer:

its 400

Step-by-step explanation:

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Derek has a bird that weighs 4 pounds. Use the double line diagram below to help you determine approximately how many kilograms

STatiana [176]

The bird weighs 1.81437kg

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3 years ago

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What is the function, domain, and range??<br> {(1,-2), (-2,0), (-1,2), (1,3)}

scoundrel [369]

Answer:

the relation is NOT a function

domain: { 1,-2,1}

range: { -2, 0, 2, 3}

Step-by-step explanation:

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3 years ago

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For which values of k does the system of linear equations have zero, one, or an infinite number of solutions? [Note: not all thr

viktelen [127]

Answer:

The system has an infinite solution at k = 6, otherwise for any value of k, it has zero solution.

Step-by-step explanation:

Consider the system of linear equations:

$3x_{1} -x_{2}=2\;\;\;\;\;\;(1)\\ 9x_{1} -3x_{2}=k\;\;\;\;\;(2)$

The system of linear equations can have zero, one, or an infinite number of solutions:

simplify equation (1):

$x_{2}=3x_{1} -2$

substitute in equation (2), we get

$9x_{1} -3(3x_{1}-2)=k\\9x_{1} -9x_{1}+6=k\\0+6=k$

we cannot find the value of $x_{1}$ and $x_{2}$ .

so, there is no solution.

Multiply the equation (1) with 3 and put k is 6,

$3(3x_{1} -x_{2})=3\times2\\9x_{1} -3x_{2})=6$

it means both equations are overlapped. Then, the solution has infinite solutions.

Hence, the system has an infinite solutions at k is 6 otherwise for any value of k it has no solution.

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3 years ago

Convert 59 degrees in Fahrenheit to Celsius temperature using the formula . 27°C 15°C 12°C 8°C

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– 36 – m = 8(4 + 2m)

valentina_108 [34]

Answer:

m = -4

Step-by-step explanation:

- 36 - m = 8(4+2m)

- 36 - m = 32+16m (to remove m from the left side, we need to add m to both sides)

- 36 = 32+17m (subtract 32 from both sides)

- 68 = 17m (divide by 17 on both sides)

-4 = m

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3 years ago

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