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icang [17]
2 years ago
9

I will mark brainlist

Mathematics
2 answers:
Talja [164]2 years ago
7 0
Right (don’t mind this lol)
blagie [28]2 years ago
3 0

Answer:

A Obtuse, B Acute, C Right        I think its right

Step-by-step explanation:

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F(x)= 2x + 4 <br> g(x) 3x^2 - 1 <br><br> find f(x) • g(x)<br><br> show work pls:) appreciate it
Irina-Kira [14]

Answer:

I hope this will help you

7 0
3 years ago
この問題を最も簡単に解決する. 不適切な回答はありません.
Dafna1 [17]

japones ^^

look you have to multiply

8 cm x 6cm

20cm x 6 cm

and the answer that comes out of the multiplication is the correct one

4 0
3 years ago
Please help I’m stuck on this question!!
tatyana61 [14]

Answer:

says of the week

Step-by-step explanation:

x side or bottom of graph is independent variable

y side of left part of the graph is dependent variable

7 0
3 years ago
A trough is 8 feet long and has perpendicular cross section in the shape of an isosceles triangle (point down) with base 1 foot
murzikaleks [220]

Answer:

Dh/dt  = 0.082 ft/min

Step-by-step explanation:

As a perpendicular cross section of the trough is in the shape of an isosceles triangle the trough has a circular cone shape wit base of  1 feet and height     h = 2 feet.

The volume of a circular cone is:

V(c)  = 1/3 * π*r²*h

Then differentiating on both sides of the equation we get:

DV(c)/dt   = 1/3* π*r² * Dh/dt   (1)

We know that DV(c) / dt   is  1 ft³ / 5 min      or     1/5  ft³/min

and  we are were asked how fast is the water rising when the water is 1/2 foot deep. We need to know what is the value of r at that moment

By proportion we know

r/h  ( at the top of the cone  0,5/ 2)   is equal to  r/0.5  when water is 1/2 foot deep

Then      r/h   =   0,5/2   =  r/0.5

r  =  (0,5)*( 0.5) / 2        ⇒   r  =  0,125 ft

Then in equation (1) we got

(1/5) / 1/3* π*r² =  Dh/dt

Dh/dt  = 1/ 5*0.01635

Dh/dt  = 0.082 ft/min

4 0
3 years ago
A rectangle has an area of 75.2m
Degger [83]

Answer:

94.8

Step-by-step explanation:

Aera is : length *width

75.2 = 0.8 * x then x =94

Perimeter is : length + width =94 +0.8

3 0
2 years ago
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