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4 years ago

5

3.5−2.46=1.16

1 answer:

Ahat [919]4 years ago

6 0

3.5
−2.46
1.16 error aligning the decimal point.

Do this instead
3.50
- 2.46
1.04

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Subtract (–x – 2) – (4x + 3).

Alekssandra [29.7K]

The first set of parentheses is unnecessary, so just drop it.
The second set of parentheses has a negative sign to its left.
To simplify the second set of parentheses, change every sign inside the parentheses. Then combine like terms.

<span>(–x – 2) – (4x + 3) =

= - x - 2 - 4x - 3

= -x - 4x - 2 - 3

= -5x - 5
</span>

7 0

4 years ago

A worde that place before a nawe<br>or pronden in a sentence

bulgar [2K]

Answer:

Prepositions

Step-by-step explanation:

Prepositions are usually used in front of nouns or pronouns and they show the relationship between the noun or pronoun and other words in a sentence

6 0

3 years ago

In the xy-plane, the graph of function f(x) has zeros at −5, −2, and 2. Write the polynomial function.

Alona [7]

Answer:

$f(x) = x^3 +5x^2-4x-20$

Step-by-step explanation:

Given

$Zeros: -5,-2,2$

Required

The polynomial function

If a function has a, b and c as its zeros, the function is:

$f(x) = (x - a)(x - b)(x - c)$

So, we have:

$Zeros: -5,-2,2$

$f(x) = (x - (-5))(x - (-2))(x - 2)$

Open the inner brackets

$f(x) = (x +5)(x +2)(x - 2)$

Expand the difference of two squares

$f(x) = (x +5)(x^2 - 4)$

Expand

$f(x) = x^3 +5x^2-4x-20$

4 0

3 years ago

For the remaining portion of the living room not covered by the new flooring, Michelle wants to paint the concrete. After carefu

solong [7]

Answer:

$x^2 + 6 = 31$

Step-by-step explanation:

Given

$Painted = 6ft^2$

$Total = 31ft^2$

Dimension of unpainted area:

$Length = Width = x$ --- Square

Required

Determine an expression to solve for x

First, calculate the area of the unpainted space;

$Area = Length *Width$

$Area = x*x$

$Area = x^2$

The unpainted area, added to the painted area, equals the total area.

So, we have:

$Area + Painted = Total$

$x^2 + 6 = 31$

Hence, the expression is: $x^2 + 6 = 31$

5 0

3 years ago

Collect like terms<br> —7x2 – 2xcº

dsp73

-7x^2-2x^2 = -9x^2 yea yea yea

4 0

3 years ago