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Ulleksa [173]
3 years ago
9

I need the answer to this asap, plzz

Mathematics
1 answer:
ira [324]3 years ago
3 0

Answer:

\mathrm{D.\:}\sqrt{126}

Step-by-step explanation:

All three triangles in the figure are similar. Therefore, we can set up the following proportion:

\frac{18}{m}=\frac{m}{7}

Cross-multiply to solve:

m^2=18\cdot 7 = 126, \\\\m=\fbox{$\sqrt{126}$}.

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Terry uses 3 cups of pumpkin seeds to decorate the tops of 12 loaves of bread. She puts an equal amount of seeds on each loaf. H
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The answer is she puts 4 seeds on each loaf. To get the answer (amount of seeds per loaf), you have to divide 12 by 3, which is obviously 4. Good luck! hope you get a good grade on your homework! :)
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4 years ago
Find the zeros of 7=x^2-8x-3 by completing the square
enot [183]

Using the completing the square method, for the equation, we have the zeros as <u>x = √26 + 4 and x = 4 - √26</u>

<h3>How can the zeros be found using completing the square method?</h3>

The given equation is presented as follows

7 = \mathbf{ {x}^{2}  - 8x - 3}

Which, by completing the square, gives;

{x}^{2}  - 8x - 3 - 7 = 0

{x}^{2}  - 8x - 10 = 0

{x}^{2}  - 8x  +   {\left(\frac{8}{2} \right) }^{2} - 10  -  {\left(\frac{8}{2} \right) }^{2} = 0

\mathbf{{(x - 4)}^{2} }   =26

The zeros of the equation;

7 =  {x}^{2}  - 8x - 3

are;

\underline{x = \pm \sqrt{26}  + 4}

Learn more about completing the square here:

brainly.com/question/10449635

#SPJ1

4 0
2 years ago
A shirt that normally sells for $28 is on sale at a 10% discount. What is the sale price of the shirt?
sdas [7]
The shirt would then be $25.20
8 0
4 years ago
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A basketball player guesses her team will score 57 points during the game. The player's team actually scores 63 points. What is
Sergeeva-Olga [200]

I might be wrong, but i believe the answer is 9.5

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What is p (of four sevens in a row in a two dice toss)?
ivolga24 [154]

Answer:

P = 0.0008   (non rounded answer is 0.000771605)

Step-by-step explanation:

You first need to determine how many different ways you can roll a 7 using 2 dice.  You options are...

First Die    Second Die

  1                     6

  2                    5

  3                    4

  4                    3

  5                    2

  6                    1

There are six different ways to roll a 7.  If you do the same for all possible numbers, you will see that there are 36 total options when rolling two dice.  The first die has six options, and the second die also has 6 options.  6x6 = 36.  (This is the fundamental counting principal you have have leared in statistics)

So the chances of rolling a 7 one time with two dice is 1/6.  Since repeated rolling of dice is an independent event (any roll has no effect on the next roll), you multiply the probabilities of each event.

So the probability of rolling a 7 four times in a row is

(1/6)(1/6)(1/6)(1/6), which simplifies to 1/6^4, or 1/1296,

Probability is written in decimal form, and usually rounded to 4 decimal places.

1/1296 =   0.000771605,  or  0.0008 rounded to 4 decimals

4 0
3 years ago
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