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Iteru [2.4K]
3 years ago
10

Pls help its due in half an hour

Mathematics
2 answers:
umka2103 [35]3 years ago
6 0

Answer:

Common denominator 20

\frac{3}{ \: 4 \:} \: and \:  \frac{2}{5}

because 4 and 5 can both go into 20 without any remainder

Common denominator 18

\frac{3}{6} and \:  \frac{2}{9}

because 6 and 9 can both go into 18 without any remainder

Common denominator 8

\frac{1}{2}  \: and \:  \frac{7}{8}

because 2 and 8 can both go into 8 without any remainder

Hope this was helpful!

xxMikexx [17]3 years ago
3 0
Oh wow mine is due in half an hour too
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If ON = MN, find MN.<br> A 4<br> B. 5<br> C. 4 square root 2<br> D. 4 square root 30
elena-14-01-66 [18.8K]

Answer:

c

Step-by-step explanation:

ON=MN, so triangle onm is a right isosclese triangle, so ON=NM=4 square root 2

4 0
4 years ago
Read 2 more answers
F(x) =2x^2+4x+5<br> Find: f(a)
MA_775_DIABLO [31]

Answer:

F(a) =2a^2+4a+5

Step-by-step explanation:

just put x= a

5 0
4 years ago
Write three equations whose solution is x=3.5
My name is Ann [436]

Answer:

  • 1. 2x + 23 = 30
  • 2. 3x + 19.5 = 30
  • 3. (10x - 20)/ 5 = 3

Explanation:

Work backward:

1. 2x + 23 = 30

Start:

  • x = 3.5

Multiply the equation by 2:

  • 2x = 2 (3.5)
  • 2x = 7

Subtract 30 from both sides

  • 2x - 30 = 7 - 30
  • 2x - 30 = -23

Add 23 and 30 to both sides:

  • 2x + 23 = 30

2. 3x + 19.5 = 30

Start:

  • x = 3.5

Add 6.5 to both sides:

  • x + 6.5 = 10

Multiply by 3:

  • 3(x + 6.5) = 30

Distributive property:

  • 3x + 19.5 = 30

3. (10x - 20)/ 5 = 3

Start:

  • x=3.5

Multiply by 10:

  • 10x = 35

Subtract 20:

  • 10x - 20 = 15

Divide by 5:

  • (10x - 20)/ 5 = 15/5

  • (10x - 20) / 5 = 3
3 0
4 years ago
Please help me on this
Eduardwww [97]
To multiply a fraction, you simply multiply across the top and across the bottom.

-3 *-4 = 12
5 * 7 = 35

Final Answer: 12/35
5 0
3 years ago
A kite string is 35m long. The angle the string makes with the ground is 50o
kipiarov [429]

Answer:

22.50m

Step-by-step explanation:

With the ground, the horizontal ground distance is the adjacent side, so by SOHCAHTOA, the ratio used is cosine, i.e.

Ground distance

= hypotenuse * cos(50°)

= 35 cos(50°)

= 35*0.64279

= 22.50m

7 0
3 years ago
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