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Lelechka [254]
3 years ago
13

The javelin is a lightweight spear. The size of the javelin for the javelin throw is 800 grams. What is the weight in ounces? In

pounds and ounces?
1 ounce=28.3 grams
1 pound= 16 ounces
Mathematics
1 answer:
tamaranim1 [39]3 years ago
7 0

Answer:

28.2 ounces

1 pound and 12.2 ounces

Step-by-step explanation:

First, lets find how many ounces:

800 / 28.3 = 28.2 ounces

Now, lets find how many pounds:

28.2 ounces - 16 ounces = 12.2 ounces

So we got 1 pound with 12.2 ounces left over.

Our answer: 1 pound and 12.2 ounces

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m_a_m_a [10]
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3 years ago
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Vitek1552 [10]

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Solution:

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Step-by-step explanation:

I hope that this is what you are looking for

Have a nice day/night

3 0
3 years ago
Solve the simultaneous equation 2p - 3q = 4, 3p + 2q = 9. <br>b. if 223= 87 find x<br>​
wolverine [178]

Answer:

Step-by-step explanation:

Given the simultaneous equation 2p - 3q = 4 and 3p + 2q = 9, to get the value of p and q we will use elimination method.

2p - 3q = 4 ...................... 1 * 3

3p + 2q = 9 ..................... 2 * 2

Multiplying equation 1 by 3 and 3 by 2:

6p - 9q = 12

6p + 4q = 18

Subtracting both equation

-9q-4q = 12-18

-13q = -6

q = -6/-13

q = 6/13

Substituting q = 6/13 into equation 2

2p - 3(6/13) = 4

2p - 18/13 = 4

2p = 4+18/13

2p = (52+18)/13

2p = 70/13

p = 70/26

p = 35/13

<em>Hence p = 35/13 and q = 6/13</em>

<em></em>

<em>b) </em>If if 223ₓ = 87 find x

Using the number base system and converting 223ₓ  to base 2 will give us;

223ₓ = 2*x² + 2*x¹ + 3*x⁰

223ₓ  = 2x²+2x+3

​

Substituting back into the equation, 2x²+2x+3 = 87

2x²+2x+3-87 = 0

2x²+2x-84 = 0

x²+x-42 = 0

On factorizing:

(x²+6x)-(7x-42) = 0

x(x+6)-7(x+6) = 0

(x+6)(x-7) = 0

x+6 = 0 and x-7 = 0

x = -6 and 7

<em>Hence the value of x is 7 (neglecting the negative value)</em>

5 0
3 years ago
The histogram shows the weekly attendance of participants in a school's study skills program. What was the highest weekly attend
worty [1.4K]

That would be on the 5th week. There were 18 students that attended (D.)

Hope this helped!

8 0
3 years ago
1/ 99 to 4 significant figures​
musickatia [10]

Answer:

  0.01010

Step-by-step explanation:

The decimal equivalent is ...

  \dfrac{1}{99}=0.\overline{01}

Rounded to 4 significant figures, it is ...

  0.01010

4 0
2 years ago
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