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Anuta_ua [19.1K]
3 years ago
5

Determine which of the following expressions requires combining like terms before it is considered to be in its simplest form. S

elect all situations that apply. 4x + 3y - 7x a2 + a2 - b 5y - x a2 + a2b -5w2 + y - 4w2 - 8y (8pq)
Mathematics
2 answers:
vovikov84 [41]3 years ago
4 0

Answer:

4x + 3y - 7xa2 + a2 - b

Step-by-step explanation:

its rite

polet [3.4K]3 years ago
3 0
4x + 3y - 7xa2 + a2 - b
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Find the area, a rectangle with a length of 4 cm and a width of 2.5 cm
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10

Step-by-step explanation:

4x2.5=10CM2

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Profits of $165,000 were made last year. This represents 11% of total revenue, what was the total revenue
KengaRu [80]
$1,500,000 is the total revenue
3 0
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Homework help, no need to explain answer
Ainat [17]

Answer:

Square each side

Subtract 1  from each side

Divide by 3

Step-by-step explanation:

sqrt(3x+1) = 4

Square each side

(sqrt(3x+1))^2 = 4^2

3x+1 = 16

Subtract 1  from each side

3x+1-1 = 16-1

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Divide by 3

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x = 5

8 0
3 years ago
3-5(3a+6) in standard form
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Answer:

3 - 15a - 30 \\  - 15a - 27

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6 0
3 years ago
Write the equation of the line that passes through the point (5, -6.5) and is perpendicular to the following equation:
Maslowich
Explanation:
first find the slope m of the line passing through the

the 2 given points
to calculate the slope m use the
gradient formula
∙
x
m
=
y
2
−
y
1
x
2
−
x
1
let
(
x
1
,
y
1
)
=
(
1
,
3
)
and
(
x
2
,
y
2
)
=
(
−
5
,
6
)
m
=
6
−
3
−
5
−
1
=
3
−
6
=
−
1
2
given a line with slope m then the slope of a line

perpendicular to it is
∙
x
m
perpendicular
=
−
1
m
hence
m
perpendicular
=
−
1
−
1
2
=
2
the equation of a line in
slope-intercept form
is.
∙
x
y
=
m
x
+
b
where m is the slope and b the y-intercept
here
m
=
2
y
=
2
x
+
b
←
is the partial equation
to find b substitute
(
−
2
,
7
)
into the partial equation
7
=
−
4
+
b
⇒
b
=
7
+
4
=
11
y
=
2
x
+
11
←
is the required equation
4 0
3 years ago
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