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Orlov [11]
3 years ago
7

Is 4 m < > or equal to 400 dm

Mathematics
2 answers:
spin [16.1K]3 years ago
8 0
4m is less than 400 decimeters
lys-0071 [83]3 years ago
4 0
It is less than
4 meters equal 40 decimeters
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Joan has 294 black marbles. Joan has 42 times more black marbles than Dan. How many black marbles does Joan has?
lara [203]
Joan has 294 marbles
dan has 7 marbles
5 0
3 years ago
If x varies directly with y and x = 3.5 when y = 14, find x when y = 18.
maks197457 [2]

Answer:

x = 4.5

Step-by-step explanation:

there's definitely other ways to solve this, but I used a proportion.

\frac{3.5}{x} = \frac{14}{18}

Then you can make this equation:

14x = 3.5 * 18

I solved for it and got 4.5 .

5 0
3 years ago
Write down the first even multiple of 7
Fiesta28 [93]

Answer:

14

Step-by-step explanation:

multiples are the list of number that can be multiplied by a certain number.

list the multiples

make a chart

1 × 7 = 7 (odd)

2 × 7 = 14 (even)

the first even multiple is 14 (2×7)

6 0
3 years ago
Tins eats 8 crackers for a snack each day at school.on Friday,she drops 3 and only eats 5. multy​
Pie

Answer:

If she only ate 5 she'll need to get 3 more to keep up her streak of eating 8 cracker.

Step-by-step explanation:

8-3=5 is an equation you'd use.

6 0
3 years ago
Read 2 more answers
X and y are positive integers. explain why incorrect to claim that
dedylja [7]

You can find counterexamples to disprove this claim. We have positive integers that are perfect square numbers; when we take the square root of those numbers, we get an integer.

For example, the square root of 1 is 1, which is an integer. So if y = 1, then the denominator becomes an integer and thus we get a quotient of two integers (since x is also defined to be an integer), the definition of a rational number.

Example: x = 2, y = 1 ends up with \frac{2}{\sqrt{1}} = \frac{2}{1} which is rational. This goes against the claim that x/\sqrt{y} is always irrational for positive integers x and y.

Any integer y that is a perfect square will work to disprove this claim, e.g. y = 1, y = 4, y= 9, y = 16. So it is not always irrational.

4 0
3 years ago
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