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Anika [276]
3 years ago
11

Heather collects shells. The picture shows the 18 shells that she found on her family beach vacation. She wants to use all of

Mathematics
1 answer:
IRISSAK [1]3 years ago
6 0
Answer:
D) 9 postcards with 2 shells each.

Explanation:
9 x 2 = 18
Therefore, 9 postcards with 2 shells each is the correct answer.

Please give brainliest.
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If Kaden has 12 balls and izaih has 8 and Kaden gives 8 balls to his new friends, how many balls do Kaden have left?
viktelen [127]
Kaden 12
izaih 8
kaden gives 8 
12-8 
answer 4
7 0
3 years ago
tomas wrote an equation 4/5x-8=. Finish the equation so that the equation will have no solution. Explain how you know.
Pepsi [2]

Answer:

Right part: \dfrac{4}{5}x+a, where a\neq -8.

Step-by-step explanation:

Linear equation have no solution if it is impossible for the equation to be true no matter what value we assign to the variable x.

The left part of the equation Tomas wrote is

\dfrac{4}{5}x-8.

The right part of the equation should be of the form

\dfrac{4}{5}x+a,

where a\neq -8.

In this case, the equation will take look

\dfrac{4}{5}x-8=\dfrac{4}{5}x+a,\\ \\-8=a.

Since a\neq -8, this equality is always false.

Remark: 1) If a=8, the equation \dfrac{4}{5}x-8=\dfrac{4}{5}x+a is equivalent to the equation

\dfrac{4}{5}x-8=\dfrac{4}{5}x-8,\\ \\0=0

and the lest equation has infinitely many solutions.

2) When coefficient at x differs from \dfrac{4}{5}, the equation has unique solution.

6 0
3 years ago
If you are examining a function over an interval ( a , b ) , for a and b finite, is it possible not to have an absolute maximum
uysha [10]

Yes, it is not possible to have an absolute maximum or absolute minimum.

Here,

We are examining a function over an interval ( a , b ) , for a and b finite,

We have to find,  is it possible not to have an absolute maximum or absolute minimum.

What theorem indicates the existence of absolute maxima or absolute minima of a function?

If f is continuous on a closed interval [a, b] (that is: on a closed and bounded interval), then, the Extreme Value Theorem indicates the existence of an absolute maximum or minimum value of f on the interval [a, b].

Now,

The function is define over an interval (a, b).

Hence, the function is define on open interval.

So, it is not possible to have an absolute maximum or absolute minimum.

Learn more about the existence of maxima and minima visit:

brainly.com/question/6787214

#SPJ4

3 0
2 years ago
Half-life for McGill-23 is 145 years. What is the k value?​
Paraphin [41]

Answer:

72.5

122

Step-by-step explanation:

Half-life for McGill-23 is 145 years. What is the k value?​

half of 145 = 72.5

145 - 23 = 122

Hope I did the right thing

Hope this helps ❤️

7 0
3 years ago
Can someone helpp me with this i will give brainlest :)
marta [7]

Answer:

Step-by-step explanation:

1slice=280 and 6 slices so 280x6 so 0x6=0 then 80x6=6+6x4=48x10=480
then 200x6= 6x2=12x100=1200

add all 0+480+1200=1680

sry i'm not used to showing work i usually do it all in my head

8 0
1 year ago
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