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djverab [1.8K]
2 years ago
15

Simplify the expression: 2d+11x4

Mathematics
2 answers:
Lubov Fominskaja [6]2 years ago
6 0

Answer:

2d+44

Step-by-step explanation:

Multiply:

11x4=44

Final Equation:

2d+44

meriva2 years ago
3 0

Answer:

2d+44

Step-by-step explanation:

Multiply all numbers without variables:

11x4=44

Add equations:

2d+44

Hence, the correct answer is 2d+44

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ELEN [110]

Answer:

(- 3, 37) and (- \frac{5}{2}, \frac{63}{2} )

Step-by-step explanation:

Given the 2 equations

2x² - y + 19 = 0 → (1)

y + 11x = 4 → (2) ← subtract 11x from both sides

y = 4 - 11x → (3)

Substitute y = 4 - 11x into (1)

2x² - (4 - 11x) + 19 = 0

2x² - 4 + 11x + 19 = 0

2x² + 11x + 15 = 0 ← in standard form

(2x + 5)(x + 3) = 0 ← in factored form

Equate each factor to zero and solve for x

2x + 5 = 0 ⇒ 2x = - 5 ⇒ x = - \frac{5}{2}

x + 3 = 0 ⇒ x = - 3

Substitute these values into (3) for corresponding values of y

x = - \frac{5}{2} : y = 4 + \frac{55}{2} = \frac{63}{2} ⇒ (- \frac{5}{2}, \frac{63}{2} )

x = - 3 : y = 4 + 33 = 37 ⇒ (- 3, 37 )

4 0
3 years ago
Solve the Inequality for x<br> x/2+3/2&lt;5/2
charle [14.2K]

Answer:

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Step-by-step explanation:

I didnt feel like typing it out but the explanation is in the picture hope this helps :)

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2 years ago
Melia put the $30 her Grandmother gave her for her tenth birthday into her piggy bank. Each week after
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3 years ago
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creativ13 [48]
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7 0
3 years ago
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