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strojnjashka [21]

3 years ago

13

On the coordinate plane, the x-axis and y-axis are to each other.

2 answers:

andriy [413]3 years ago

8 0

Answer:

True

Step-by-step explanation:

Technically:

The y-axis is the one that stands up vertically and the x-axis is the one that lays down horizontally.

Hope this helps.

pishuonlain [190]3 years ago

7 0

Answer:

yes that's perfectly true

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A -42+(-17)<br> b 8-(-9)<br> c 8(-9)<br> D<br> E<br> F<br> G

Diano4ka-milaya [45]

Answer:

.A -42+(-17)

Step-by-step explanation:

7 0

3 years ago

What is the square of 0.81?

uysha [10]

Answer:

0.6561

Step-by-step explanation:

i think i could be wrong if am right brainliest

7 0

2 years ago

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For the cost function c equals 0.1 q squared plus 2.1 q plus 8, how fast does c change with respect to q when q equals 11? Det

Soloha48 [4]

Answer:

Rate of change of c with respect to q is 4.3

Percentage rate of change c with respect to q is 9.95%

Step-by-step explanation:

Cost function is given as, $c=0.1\:q^{2}+2.1\:q+8$

Given that c changes with respect to q that is, $\dfrac{dc}{dq}$ . So differentiating given function,

$\dfrac{dc}{dq}=\dfrac{d}{dq}\left (0.1\:q^{2}+2.1\:q+8 \right)$

Applying sum rule of derivative,

$\dfrac{dc}{dq}=\dfrac{d}{dq}\left(0.1\:q^{2}\right)+\dfrac{d}{dq}\left(2.1\:q\right)+\dfrac{d}{dq}\left(8\right)$

Applying power rule and constant rule of derivative,

$\dfrac{dc}{dt}=0.1\left(2\:q^{2-1}\right)+2.1\left(1\right)+0$

$\dfrac{dc}{dt}=0.1\left(2\:q\right)+2.1$

$\dfrac{dc}{dt}=0.2\left(q\right)+2.1$

Substituting the value of $q=11$ ,

$\dfrac{dc}{dt}=0.2\left(11\right)+21.$

$\dfrac{dc}{dt}=2.2+2.1$

$\dfrac{dc}{dt}=4.3$

Rate of change of c with respect to q is 4.3

Formula for percentage rate of change is given as,

$Percentage\:rate\:of\:change=\dfrac{Q'\left(x\right)}{Q\left(x\right)}\times 100$

Rewriting in terms of cost C,

$Percentage\:rate\:of\:change=\dfrac{C'\left(q\right)}{C\left(q\right)}\times 100$

Calculating value of $C\left(q \right)$

$C\left(q\right)=0.1\:q^{2}+2.1\:q+8$

Substituting the value of $q=11$ ,

$C\left(q\right)=0.1\left(11\right)^{2}+2.1\left(11\right)+8$

$C\left(q\right)=0.1\left(121\right)+23.1+8$

$C\left(q\right)=12.1+23.1+8$

$C\left(q\right)=43.2$

Now using the formula for percentage,

$Percentage\:rate\:of\:change=\dfrac{4.3}{43.2}\times 100$

$Percentage\:rate\:of\:change=0.0995\times 100$

$Percentage\:rate\:of\:change=9.95%$

Percentage rate of change of c with respect to q is 9.95%

7 0

3 years ago

Instructions: Solve the following literal<br> equation.<br> Solve 4x – 2y = 18 for y.<br> y =

krok68 [10]

Answer:

$y = - 9 + 2x$

Step-by-step explanation:

Objective: Use the rules of Algebra to isolate y.

$4x - 2y = 18$

$- 2y = 18 - 4x$

$y = \frac{18 - 4x}{ - 2}$

$y = - 9 + 2x$

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3 years ago

What comes next in the pattern?

hichkok12 [17]

Answer:

A

Step-by-step explanation:

because its counting by 5

5 0

2 years ago

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