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Sergeu [11.5K]
3 years ago
12

I need help on 3 and 4 plz due by tomorrow

Mathematics
1 answer:
Fofino [41]3 years ago
7 0
1. Around $30
2. He has $3.95 remaining.
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I NEED HELP ON THIS CONSTRUCTED RESPONSE! :(
Vikentia [17]

Answer:

<em>x < 2</em>

Step-by-step explanation:

-12x - 0.4 > 0.2(36.5x + 80) - 55

-12x - 0.4 > 7.3x + 16 - 55

-19.3x > -38.6

x < 2

4 0
3 years ago
I cut an 8.64 meter length of string into 6 equal parts. How long was each part of<br> string? *
Art [367]

Answer:

1.44m

Step-by-step explanation:

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4 0
3 years ago
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PLEASE HELP NEED THIS TO PASS
yaroslaw [1]

The solutions to f(x) = 64 is x = 7 and x = –7.

Solution:

Given data:

$f(x)=x^{2}+15 – – – – (1)

f(x)=64 – – – – (2)

To find the solutions to f(x) = 64.

Equate equation (1) and (2), we get

x^2+15=64

Subtract 15 from both sides of the equation.

x^2+15-15=64-15

x^2=49

x^2=7^2

Taking square root on both sides of the equation, we get

x = ±7

The solutions to f(x) = 64 is x = 7 and x = –7.

5 0
3 years ago
Prove:1/sin²A-1/tan²A=1​
Anit [1.1K]

Step-by-step explanation:

1/sin^2A -cos^2A/sin^2 A. ~tan = sin/cos

(1-cos^2)/sin^2A. ~ take lcm

sin^2A/sin^ A. ~ 1-cos^2A = sin^2A

1

for more free ans check bio

7 0
3 years ago
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Monarch butterflies flap their wings about 12 times a second in
Inessa [10]
Remember: 60 seconds in a minute, 60 minutes in one hour.
So if butterflies flap 12 times per second, multiply that number by 60 to get how many times the butterfly flaps their wings in a minute. then, multiply that number by 60 again to get the flaps of number per minute.
12x60=720x60=43,200
8 0
3 years ago
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