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tatyana61 [14]
3 years ago
15

Select the correct answer from the drop-down menu.

Mathematics
2 answers:
raketka [301]3 years ago
8 0

Answer:

x^2-10x+25=0

Step-by-step explanation:

Did the test its correct.

elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

c. x² - 10x + 25 = 0

Hope this helps!

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Evaluate. Write your answer as a whole number or as a simplified fraction.<br> 12-².4³ =<br> Submit
Delicious77 [7]

12^{-2} \times 4^3\\\\=(4 \times 3)^{-2} \times 4^3\\\\=4^{-2} \times 4^3 \times 3^{-2}\\\\=4^{-2+3} \times 3^{-2}\\\\=4^1 \times \dfrac1{3^2}\\\\=\dfrac 49

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2 years ago
It takes Dimitri 9 minutes to make a simple bracelet and 20 minutes to make a deluxe bracelet. He has been making bracelets for
frosja888 [35]
Last one 7 and 3
9(7)+20(3)>120
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Says 123 minutes is longer than 120 that's why it is that answer
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3 years ago
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Help please with algebra problem
Strike441 [17]
Number of weekend minutes used: x
Number of weekday minutes used: y

This month Nick was billed for 643 minutes:
(1) x+y=643

The charge for these minutes was $35.44
Telephone company charges $0.04 per minute for weekend calls (x)
and $0.08 per minute for calls made on weekdays (y)
(2) 0.04x+0.08y=35.44

We have a system of 2 equations and 2 unkowns:
(1) x+y=643
(2) 0.04x+0.08y=35.44

Using the method of substitution
Isolating x from the first equation:
(1) x+y-y=643-y
(3) x=643-y

Replacing x by 643-y in the second equation
(2) 0.04x+0.08y=35.44
0.04(643-y)+0.08y=35.44
25.72-0.04y+0.08y=35.44
0.04y+25.72=35.44

Solving for y:
0.04y+25.72-25.72=35.44-25.72
0.04y=9.72

Dividing both sides of the equation by 0.04:
0.04y/0.04=9.72/0.04
y=243

Replacing y by 243 in the equation (3)
(3) x=643-y
x=643-243
x=400


Answers:
The number of weekends minutes used was 400
The number of weekdays minutes used was 243
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3 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
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Answer:

all work is shown and pictured

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She will need 12 cups of pineapple juice.
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