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svlad2 [7]
3 years ago
15

Hello! I'm in the 7th grade and I'm having trouble with math this year... Will someone please help me with this? :)

Mathematics
1 answer:
IrinaVladis [17]3 years ago
4 0

Answer: 66

Step-by-step explanation: 30 x 2 = 60... 30 / 5 = 6... 60 + 6 = 66 :D

i'm in seventh too hehe

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Is (3, 0) a solution to the equation y = 5x + 3? *<br> 1 point
Sav [38]

Answer:

no

Step-by-step explanation:

Substitute x = 3 into the equation and if the result is 0 then it is a solution

y = 5(3) + 3 = 15 + 3 = 18 ≠ 0

Then (3, 0 ) is not a solution to the equation

7 0
2 years ago
A bag contains only red marbles and white marbles. tanya reached into the bag without looking, got 40 marbles, and found that 24
Bad White [126]
Just divide the numbers in half until you cant anymore. the simplified probability would be 3/5
4 0
3 years ago
Read 2 more answers
P is directly proportional to (q+2)2.<br>When q = 1, p= 1.<br>Find p when q = 10.​
denpristay [2]

Answer:

p = 16

Step-by-step explanation:

Given p is directly proportional to (q + 2)² then the equation relating them is

p = k(q + 2)² ← k is the constant of proportion

To find k use the condition when q = 1, p = 1

1 = k(1 + 2)² = k × 3² = 9k ( divide both sides by 9 )

\frac{1}{9} = k

p = \frac{1}{9} (q + 2)² ← equation of proportion

When q = 10 , then

p = \frac{1}{9} × (10 + 2)² = \frac{1}{9} × 12² = \frac{1}{9} × 144 = 16

3 0
3 years ago
2x - 1/2 <br><br><br><br><br><br> Płēâšė hęł hęłp mè ï ńèèd thîš før hōmèwörk
Lynna [10]
Answer for x

2x-1/2=
2x=1/2 multiply both sides with 2
4x=1
x=1/4
7 0
3 years ago
Please help !!!
Brilliant_brown [7]

9514 1404 393

Answer:

  about 3.25 feet

Step-by-step explanation:

The relevant trig relationship is ...

  Sin = Opposite/Hypotenuse

  sin(24°) = height/(8 ft)

  height = (8 ft)sin(24°) ≈ 3.254 ft

The slide is about 3.25 feet high.

7 0
3 years ago
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