3 years ago

Which expression can be used to check the answer to 56 divided by (negative 14) = n?

Mathematics

1 answer:

allochka39001 [22]3 years ago

3 0

D because n= -14 and were dividing 56

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Olin [163]

Answer:

See the files.

Step-by-step explanation

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2 years ago

Determine whether 4 is a solution of the equation 9x+7=40. Is 4 a solution?

Allisa [31]

Plug in 4 for x

9(4) + 7 = 40

36 + 7 = 40

43 ≠ 40

No, 4 is not a solution

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5 0

3 years ago

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Find the value of x. A. 4.3 B. 2.7 C. 11.6 D. 13.9

kakasveta [241]

Answer:

Explanation:

Pythagorean theorem: a² + b² = c²
Solve for hypotenuse (side x) using: c = √a² + b²

12.8² + 5.3² = 191.93

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3 years ago

Solve 4e^2x-3=12 please help

Anestetic [448]

$4*e^{2x} -3 = 12$

Step 1:

Here we have -3 in subtraction on the left side, so when we take it to the right we apply opposite operation of subtraction that is addition.

$4*e^{2x} = 12+3$

$4*e^{2x} = 15$

Step 2:

Next we have 4 in multiplication on left side, so dividing right side by 4,

$e^{2x} = 15/4$

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Step 3:

taking log on both sides

$ln ( e^{2x}) = ln(3.75)$

${2x} =ln 3.75$

Step 4:

Dividing right side by 2,

x= ln (3.75) /2 = 0.66088

Answer : x = 0.66088..

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3 years ago

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OLEGan [10]

The lowest common denominator of 1/3 and 2/9 = 9

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3 years ago