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CaHeK987 [17]
3 years ago
15

Hhhhhhhhheeeeeeeeeelllllllllllllllppppppppppp

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
6 0

Answer: D

Step-by-step explanation:A. 40-40=0

B. 30-30=0

C.-20+20=0

D.20+20=40

Mashcka [7]3 years ago
4 0

Answer:

c

Step-by-step explanation:

CAN I GET BRAINLESEST

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The distance between Daytona Beach and Tallahassee is about 143,000 m. How many kilometers is this?
worty [1.4K]

Answer:

There are 212.89 miles from Tallahassee to Daytona Beach in southeast direction and 251 miles (403.95 kilometers) .

4 0
2 years ago
Under his cell phone plan, Ian pays a flat cost of $59.50 per month and $5 per gigabyte. He wants to keep his bill under $80 per
inessss [21]
You would start by saying his budget is $80 so you start with 80= he pays an initial fee of $59.50 every month plus $5 per gigabyte so you would set it up like
80=59.50+5x
X being how many gigabytes he uses then you solve 80-59.50 is 20.5 divided by 5 gives you 4.1 but you round down cause you don’t want to pass the limit so therefor the most gigabytes he can use is 4
3 0
3 years ago
Can you help me please ​
igor_vitrenko [27]

Answer:

<h2>240.34</h2>

Step-by-step explanation:

ΔA = 90° - 31°

= 59°

sin A = perpendicular ÷ base

sin 59° = 400 ft ÷ y

1.6643 = 400 ft ÷ y

y = 400 ÷ 1.6643

y = 240.34 ft

<h2>MARK ME AS BRAINLIST</h2>

7 0
2 years ago
Solve the system of equations by substitution. What is the solution for x? (1 point)
Cerrena [4.2K]
                 2x + y = 1
          2x - 2x + y = 1 - 2x
                         y = 1 - 2x
                         y = -2x + 1
               4x + 2y = -1
    4x + 2(-2x + 1) = -1
4x + 2(-2x) + 2(1) = -1
          4x - 4x + 2 = -1
                         2 ≠ -1

The solution of the problem can't be a solution because they are both parallel lines, which means they have no solution.
8 0
2 years ago
Read 2 more answers
Simplify this 9+ -4=
ddd [48]

Answer:

13

Step-by-step explanation:

<h3>13 the answer. that correct or what</h3>
5 0
2 years ago
Read 2 more answers
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