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bezimeni [28]
3 years ago
9

Can someone help with 6,7,8,9?

Mathematics
1 answer:
beks73 [17]3 years ago
5 0

Answer:

What are the 4 questions, because the file does not work?

Step-by-step explanation:

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The altitude of a triangle is increasing at a rate of 1 cm/min while the area of the triangle is increasing at a rate of 2 cm2/m
Mnenie [13.5K]

Answer:

The base is reducing at a rate of 3.4cm per min.

Step-by-step explanation:

Let The Height of the Triangle, h

Area of the triangle = A

Area of a Triangle, A= \frac{1}{2}bh

When A=190 cm^2, h=10cm

190= \frac{1}{2}*b*10\\b=38cm

\frac{dA}{dt}=\frac{1}{2}h\frac{db}{dt}+ \frac{1}{2}b\frac{dh}{dt}\\\frac{dh}{dt}=1 cm/min, \frac{dA}{dt}=2cm^2/min,

2=\frac{1}{2}*10*\frac{db}{dt}+ \frac{1}{2}*38*1\\2=5\frac{db}{dt}+19\\2-19=5\frac{db}{dt}\\-17=5\frac{db}{dt}\\\frac{db}{dt}=-\frac{17}{5} =-3.4 cm/min

The base is reducing at a rate of 3.4cm per min.

8 0
3 years ago
Please help I need a answer on this question
mestny [16]
Your answer would be D.....

Why well because rising bike is green which is more time and more hrs, playing video games would be purple and green would be t.v so yeah

3 0
2 years ago
Las+salchichas+vienen+en+paquetes+de+6+y+los+panes+para+panchos+se+envasan+en+paquetes+de+8+unidades+¿Es+cierto+que+si+se+prepar
vovikov84 [41]

Answer:

Es cierto se usan 16 paquetes de salchichas y 12 paquetes de panes para pancho.

Step-by-step explanation:

Lo que debemos hacer en este caso es dividir la cantidad total de panchos primero por la cantidad de unidades de salchichas que vienen en su paquete y segundo por la cantidad de unidades de panes para panchos que vienen en su paquete, si el resultado nos da un numero entero podemos decir que usa una cantidad completa de paquetes de salchichas y de panes:

96/6 = 16

96/8 = 12

Es decir que para 96 panchos se usan 16 paquetes de salchichas y 12 paquetes de panes para pancho, por lo tanto es cierto.

8 0
3 years ago
(-10p+9=12) I need somebody to solve this and show me the work of this equation.
Misha Larkins [42]
-10p+9=12
-9 -9
-10p=3
—— —
-10 -10
P=3/-10 or -0.3
8 0
3 years ago
Read 2 more answers
A committee consisting of4 faculty members and 5 students is to be formed. Every committee position has the same duties and voti
tigry1 [53]

Answer:

More than 1 committee can be formed, *1 and a half<em>*</em>

5 0
2 years ago
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