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FinnZ [79.3K]
3 years ago
12

14 cm

Mathematics
2 answers:
Tanya [424]3 years ago
4 0

Answer:

b140

Step-by-step explanation:

14*10=140 that's all

VashaNatasha [74]3 years ago
3 0

Answer:

the answer is B

Step-by-step explanation:

because 14*10 is 140

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Law
sergey [27]

Answer:

15.48

Step-by-step explanation:

52%-16= 15.48

5 0
2 years ago
(x+2)·2x + (x-1)^2= 2 ?
lisov135 [29]

Answer:

x = 1/3, x = -1.

Step-by-step explanation:

2x(x + 2) + (x - 1)² = 2

Distribute the 2x into x + 2.

2x² + 4x + (x - 1)² = 2

Square (x - 1).

2x² + 4x + x² - x - x + 1 = 2

Combine terms.

2x² + x² + 4x - 2x + 1 = 2

Combine terms again.

3x² + 2x + 1 = 2

Subtract 2 from both sides.

3x² + 2x - 1 = 0

Factor.

(3x - 1)(x + 1) = 0.

Finding the x-values here is the same thing as finding the 0s, so set both of the expressions to 0.

3x - 1 = 0

Add 1 to both sides.

3x = 1

Divide by 3.

x = 1/3.

x + 1 = 0

Subtract 1 from both sides.

x = -1.

5 0
3 years ago
Read 2 more answers
W+3=w+6 please show step by step
Stels [109]

w +  3 = w + 6 \\ w - w + 3 = w - w + 6 \\ 3 = 6
Since 3 does not equal 6, therfore the answer is no solution.
8 0
3 years ago
What is the slope of the line that passes through the points (-7, -4)(−7,−4) and (-11, -2) ?(−11,−2)? Write your answer in simpl
dsp73

Answer:

-1/2

Step-by-step explanation:

x_{1}=-7 \ ; \ y_{1}=-4\\\\x_{2}=-11 \ ; \ y_{2} = -2\\\\\\Slope=\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\\\=\dfrac{-2-[-4]}{-11-[-7]}\\\\\\=\dfrac{-2+4}{-11+7}\\\\\\=\dfrac{2}{-4}\\\\\\=\dfrac{-1}{2}

8 0
2 years ago
What is 3 to the third power divided by 3 to negative 4th power
skad [1K]

Answer:

Dividing negative exponents is almost the same as multiplying them, except you're doing the opposite: subtracting where you would have added and dividing where you would have multiplied. If the bases are the same, subtract the exponents. Remember to flip the exponent and make it positive, if needed.

Step-by-step explanation:

8 0
3 years ago
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