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antoniya [11.8K]
3 years ago
15

Examine the work shown. Explain the error and find the

Mathematics
2 answers:
taurus [48]3 years ago
8 0

Answer:6.8

or x = 102/15

step by step explanation:

30x=204

204/30

m_a_m_a [10]3 years ago
8 0
Can you provide a picture? but from what I’m seeing it looks like the first step is wrong .
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What is the best estimate of 5 1/3 x 1 4/5 x 6 7/8 x 3 2/5 ? <br> 144 <br> 180 <br> 210 <br> 336
Strike441 [17]
For an estimate, the closest is 210
8 0
3 years ago
a 9ft ladder is placed 4.5 feet from the base of a wall. How high up will the ladder reach? Round to the nearest hundredth.
spin [16.1K]

Answer:

\huge\boxed{7.79 \ \text{feet}}

Step-by-step explanation:

We know that we have a 9 foot long ladder resting upon a wall, with an unknown height, but the ladder is 4.5 feet away from the wall.

This can be represented as a triangle, where x is the unknown side.

    |\

    |  \

x   |    \      9

    |      \

    |        \                  

    |_____\

    4.5

We can use The Pythagorean Theorem to find the value of x. The theorem states that a^2+b^2=c^2, where a and b are the lengths of the legs and c is the length of the hypotenuse.

However, we already know the hypotenuse and one leg. Therefore we can substitute inside the equation to find the missing value.

a^2 + 4.5^2 = 9^2\\\\a^2 + 20.25 = 81\\\\a^2 = 60.75\\\\a \approx 7.79

Hope this helped!

7 0
3 years ago
Brainliest will be awarded please answer the below question fast u will get points too.
pshichka [43]

Answer:

Step-by-step explanation:

For a number to be divisible by 4 you just need to worry about the 10s and 1s place.  You also want to know that the 1s cylce every 20, or in other words:

4 8 12 16 20

24 28 32 36 40 and so on.  So the only numbers that x can be there are 1, 3, 5, 7, 9.  Does that make sense?  and can you manage  the rest?

4 0
3 years ago
3. I am collecting baseball cards. My goal before I turn 18 is to have 500 cards. When I tumed 10,
vladimir2022 [97]

Based on the scenario given, the equation to describe the situation will be: c + 125 + 89 = 500 and 286 cards need to be collected.

Number of cards given by grandfather = 125 cards

Number of cards that will be given by father = 89 cards

Therefore, based on the information given, the equation to describe the situation will be:

c + 125 + 89 = 500

Therefore, we can then use the equation to calculate the number of cards that need to be collected. This will be:

c + 125 + 89 = 500

c + 214 = 500

c = 500 - 214

c = 286

Therefore, the person needs to collect 286 cards.

Read related link on:

brainly.com/question/24910157

7 0
2 years ago
A triangle with side lengths of 5, 5, and 8 is:
Volgvan
Your answer is c, an obtuse triangle because if the two side lengths are the same length along with a longer side, it become obtuse
let me know if you have any other questions
:)
6 0
3 years ago
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