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dybincka [34]
3 years ago
7

I don’t know how to make a rule:(

Mathematics
1 answer:
Yuri [45]3 years ago
8 0

Answer:

*assuming you know the concept of proportionality*

since L is directly proportional to T, an increase in L will result in an increase in T

so the solution of the first part is increases

in part 2, y is inversely proportional to x

which means that an increase in y will result in a decrease in x and vice-versa

So the answer of the second part is decreases

in part 3, since x is directly proportional to y, an increase in x will result in an increase in y

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Is ΔABC~ ΔDEF? If so, identify the similarity postulate or theorem that applies.
Natali [406]
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6 0
4 years ago
Read 2 more answers
Help with #7. Can someone show me step by step how to do please
aleksley [76]

Answer:


Step-by-step explanation:

9y + 12 = 4y - 10

Sub. 4y from both sides

5y + 12 = 10

Sub. 12 from both sides

5y = -2

Divide 5from both sides

y = -2/5

Substitute -2/5 into 4y - 10


3 0
3 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
Please help out guys.
Kobotan [32]

Answer:

39

Step-by-step explanation:

-\left(\left(-1\right)^2-4\right)^3-4\left(-3\right)

=-\left(-3\right)^3-4\left(-3\right)

=-\left(-27\right)-4\left(-3\right)

=-\left(-27\right)-\left(-12\right)

=39

7 0
3 years ago
Easy:
Ugo [173]

Answer:

l x w do the the math

Step-by-step explanation:

there

4 0
3 years ago
Read 2 more answers
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