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EleoNora [17]
2 years ago
5

Please help and I’ll mark brain list!

Mathematics
2 answers:
lara31 [8.8K]2 years ago
8 0

Answer:

<h2>Y = 6</h2>

Step-by-step explanation:

<h2>5y + 1 = 31</h2><h3>         -1        -1</h3><h2>   \frac{5y}{5y} = \frac{30}{5y}</h2><h2>   Y = 6</h2>
marta [7]2 years ago
5 0

Answer:

y = 6

Step-by-step explanation:

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Multiples of 9 less than 80
german
Multiples of nine: 9<span>,18,27,36,45,54,63,and 72</span>
6 0
3 years ago
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
Consider functions
aniked [119]

b is the correct answer

Step-by-step explanation:

see the step in the picture

6 0
2 years ago
Trish is solving the zeros of the quadratic function f(x)=2x^2-3x+3
Nana76 [90]

Answer: no, the function has no real number zeros.

Step-by-step explanation:

6 0
3 years ago
Solve for g.<br> −3+5+6g=11−3g
Nataly_w [17]

Answer:

g = 1

Step-by-step explanation:

-3 + 5 + 6g = 11 - 3g

2 + 6g = 11 - 3g

Add 3g to both sides.

2 + 9g = 11

Subtract 2 from both sides

9g = 9

g = 1

5 0
3 years ago
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