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lbvjy [14]
4 years ago
13

Can you help me please !

Mathematics
1 answer:
Bezzdna [24]4 years ago
4 0

Answer:

Square root of 7 minus 2 equals x.

Step-by-step explanation:

X is irrational soooo

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"a coin purse contains coins with values of 1 cent, 5 cents, 10 cents, 25 cents, and 50 cents. using each coin at least once, wh
cestrela7 [59]

Answer:

  11 coins for $1.99

Step-by-step explanation:

The maximum total less than $2 is $1.99. It takes 11 coins to make that total. It would take 1 fewer if the nickel were not required.

Starting with the minimum required coins, which total $0.91, we need to add $1.08 using a minimum number of coins. To minimize the added coins, we start with the largest we can use without going over the total: 2×50¢ + 1×5¢ + 3×1¢. These 6 coins added to the required 5 coins give the desired total using 11 coins.

  11 coins: $1.99 . . . . (3×50¢ +1×25¢ +1×10¢ +2×5¢ +4×1¢)

$1.99 is the highest possible total less than $2.00, and it takes a minimum of 11 coins to make that total.

4 0
3 years ago
What is the answer to<br> 2 1/2 - 25
Alik [6]

2 1/2 - 25 is -24. You just turn the mixed number into an improper fraction and subtract that and 50/2. Hope this helps

3 0
4 years ago
Let v1 = -4
just olya [345]

We're told (and we can confirm) that v_3=2v_1-3v_2, so v_3 is a linear combination of the other two vectors.

This means <em>H</em> is sufficiently spanned by \{v_1,v_2\}; no need for the third vector.

But this also means we can write either v_1 as a linear combination of \{v_2,v_3\}, and v_2 as a lin. com. of \{v_1,v_3\}. So any set of these three vectors taken two at a time will span the subspace <em>H</em>. Hence all of b, c, and d are acceptable.

5 0
3 years ago
ella spends 2/3 hour practicing the piano each day she also spends 1/2 hour jogging. What is the least common denominator of the
Mnenie [13.5K]
The least common denominator would be 6.

2*3= 6

3*2= 6

If you need more help on this subject, private message me!

Brainliest answer is always appreciated!
5 0
4 years ago
What is the slope of a line that is perpendicular to the graphed line?
Lemur [1.5K]

Answer:

2

Step-by-step explanation:

To find the slope of the graphed line, you take two points. I have chosen (0, 4) and (8, 0)

The formula of a slope is (y value of second point -y value of first point) divided by (x value of second point -x value of first point):

\frac{0-4}{8-0} =-\frac{1}{2}

------------------------------------------------------------------------

The slope for a perpendicular line is 2.

6 0
3 years ago
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