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3 years ago

HELP FOR 15 POINTS!The table shows the number of minutes in different numbers of days.

Mathematics

2 answers:

GalinKa [24]3 years ago

6 0

B is the right answer m=1440d

Vitek1552 [10]3 years ago

5 0

Answer:

Take the number of days and divide by the total minutes. Each day had a constant of 1440 minutes

Step-by-step explanation:

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How do you find the linear regression equation?

konstantin123 [22]

You can a linear equation when the line go between the margin and when it have a straight line

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3 years ago

4st^2-s^2 were s=5 and t=7

barxatty [35]

➣ Assignment: $\bold{Solve \ Equation: \ \left(4\left(5\cdot \:7^2\right)\right)-5^2}$

↔↔↔↔↔↔↔↔

➣ Answer: $\boxed{\bold{955}}$

↔↔↔↔↔↔↔↔

Explanation: ↓↓↓↓↓

↔↔↔↔↔↔↔↔

➤ [ Step One ] Follow PEMDAS Order Of Operations

$\bold{4\left(5\cdot \:7^2\right): \ 980}$

➤ [ Step Two ] Rewrite Equation

$\bold{4\left(5\cdot \:7^2\right)}$

➤ [ Step Three ] Calculate Within Parenthesis

$\bold{4\left(5\cdot \:7^2\right): \ 245}$

➤ [ Step Four ] Rewrite Equation

$\bold{4\cdot \:245}$

➤ [ Step Five ] Multiply

$\bold{4\cdot \:245: \ 980}$

➤ [ Step Six ] Rewrite Equation

$\bold{980-5^2}$

➤ [ Step Seven ] Calculate Exponents

$\bold{5^2: \ 25}$

➤ [ Step Eight ] Rewrite Equation

$\bold{980-25}$

➤ [ Step Nine ] Solve

$\bold{955}$

↔↔↔↔↔↔↔↔

$\bold{\rightarrow Mordancy \leftarrow}$

4 0

3 years ago

The age of a car and the value of the car<br> O Positive Correlation<br> O Negative correlation

alex41 [277]

ANSWER:

Positive Correlation

EXPLANATION:

5 0

2 years ago

2x^2 + 9x + 4 = 0 <br> PLEASE HELP! I WILL MARK AS BRAINLIEST

Karo-lina-s [1.5K]

(2x+1)(x+4)

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4 0

3 years ago

Read 2 more answers

Solve 2cos^2x+5cosx+2=0

Nuetrik [128]

$2cos^2x+5cosx+2=0\\
x\in\\
\Delta=b^2-4ac\\
\Delta=9\\
\sqrt{\Delta}=3\\
cosx=1\\
or\\
cosx=-6\\
-6\notin\\$

Then using trygonometric table or a graph we read that:
$cosx=1\Leftrightarrow(x)=0$

Period of cosinus function = 2π
So the last answer is $x=0+2k\pi\\$

6 0

3 years ago