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Sladkaya [172]
3 years ago
11

Formula for triangle are

Mathematics
1 answer:
Greeley [361]3 years ago
6 0

The formula for a triangle:

Base times height divided by 2

Equation Form:

b×h÷2

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A rectangle's base remains 0.5 cm while its height changes at a rate of 1.5 cm/min.
Zarrin [17]

The area of the rectangle is changing at

0.75 sq.cm/min

Let

x

and

y

be the base and height of the rectangle.

x

=

0.5

cm is constant :. dx/dt=0#. Area of the rectangle

is

A

=

x

⋅

y

. Differentiating both sides we get

d

A

d

t

=

d

x

d

t

⋅

y

+

d

y

d

t

⋅

x

;

y

=

1.5

,

d

y

d

t

=

1.5

cm /min.

∴

d

A

d

t

=

0

⋅

1.5

+

1.5

⋅

0.5

=

0.75

sq.cm/min.

The area of the rectangle is changing at

0.75

sq.cm/min

3 0
2 years ago
9ax+9b-6=21 <br><br> based on the equation above what is the value of ax+b
klemol [59]
We have 9ax+9b-6=21.

We add 6 to both sides. 9ax+9b=27.

Now, to solve for ax+b, we factor out and divide by a 9 to get

9(ax+b)=27  \\ ax+b=3.
6 0
3 years ago
PLEASE HELP ILL GIVE BRAINLIESTTTT
Yakvenalex [24]

Answer:

f(-3) = -2

f( 1 ) = - 1

If f(x) = -2, then x = 3

If f(x) = 2, then x = -5

Step-by-step explanation:

Looking at the graph, we can easily determine the value of the given functions.

f(-3) = -2 (This function basically asks, if x = -3, what is the value of y? In the graph, it shows that the value of y is -2).

f( 1 ) = - 1  (Similarly, this function  asks, if x = 1, what is the value of y? In the graph, it shows that the value of y is -1).

If f(x) = -2, then x = ?  ←← For this particular question, you're given the value of y = -2. All you need to do is look at the graph to see what is the value of x  given that y = -2. Even though it is not clearly labeled on the graph, it shows the value of x = 3 (it is right where the end arrow is located).

Therefore, If f(x) = -2, then x = 3.

If f(x) = 2, then x = ?  ←← Similar to the previous question, you're given the value of y = 2.  In the graph, one of the given points has the coordinates of (-5, 2). This gives you the value of x = -5.

Therefore, If f(x) = 2, then x = -5.

Please mark my answers as the Brainliest if you find my explanations helpful :)

3 0
2 years ago
A students pay $23 an hour at a new job is is $6 more than twice the amount the student earned per hour at an intership
oksano4ka [1.4K]
23= 2x+6
17= 2x
x= 9.5
8 0
3 years ago
Read 2 more answers
Which calculation will give the total surface area of the solid figure?
KengaRu [80]

Answer:

Step-by-step explanation:

6.

3 0
3 years ago
Read 2 more answers
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