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3 years ago

I need the right answer to this question

Mathematics

2 answers:

andreev551 [17]3 years ago

6 0

If you have 7=7 then 1=1, 2=2, 3=3 and so on! Hope I helped! :)

fredd [130]3 years ago

3 0

It means that any number is the solution since 7 will always equal 7 and 2 will always equal 2 and so on

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Dave buys a basketball for $20 plus an 8% tax. Mel bought a football for $28 plus an 8% tax. Enter the difference that Dave and

Neko [114]

Answer:

Dave:

$20 + 8% of 20 = $21.6

Dave payed a total of $21.6 for the basketball.

Mel

$28 + 8% of 28 = $30.2

Mel payed a total of $30.2 for the football.

$30.2 - $21.6 = $8.6

The difference is $8.6.

3 0

3 years ago

D. 5y = х – 30 What’s the slope intercept form

LiRa [457]

Answer:

y = $\frac{1}{5}$ x - 6

Step-by-step explanation:

Slope intercept form is y = mx + b

To get to this form, y needs to be isolated.

So, divide each side by 5, as this will get y by itself.

5y = х – 30

y = $\frac{1}{5}$ x - 6 is the equation in slope intercept form

8 0

3 years ago

Rewrite using standard notation: 0.003

ivanzaharov [21]

It would be .3 i think if you are talking about scientific notation :)

4 0

3 years ago

Read 2 more answers

Bonita is testing prototype model rocket engines. To be considered a successful launch, the rocket must reach a height of at lea

chubhunter [2.5K]

Let

x--------> the horizontal distance in feet

y--------> the vertical height in feet

we know that

The constraints are

1) $y\geq 3x$

2) $24\ ft\leq y \leq 33\ ft$

3) $x\leq10 \ ft$

Let's verify each case to determine the solution to the problem.

case A) point $(0,33)$

Substitute the values of x and y in each of the constraints

constraint 1

$33\geq 3*0$

$33\geq 0$ ---------> is true

constraints 2

$24\ ft\leq 33 \leq 33\ ft$ -------> is true

constraints 3

$0\leq10 \ ft$ --------> is true

therefore

the ordered pair $(0,33)$ meet all the constraints for a successful launch

case B) point $(4,36)$

Substitute the values of x and y in each of the constraints

constraint 1

$36\geq 3*4$

$36\geq 12$ ---------> is true

constraints 2

$24\ ft\leq 36 \leq 33\ ft$ -------> is not true

constraints 3

$4\leq10 \ ft$ --------> is true

therefore

the ordered pair $(4,36)$ does not meet all restrictions for a successful launch

case C) point $(4.8,30.5)$

Substitute the values of x and y in each of the constraints

constraint 1

$30.5\geq 3*4.8$

$30.5\geq 14.4$ ---------> is true

constraints 2

$24\ ft\leq 30.5 \leq 33\ ft$ -------> is true

constraints 3

$4.8\leq10 \ ft$ --------> is true

therefore

the ordered pair $(4.8,30.5)$ meet all the constraints for a successful launch

case D) point $(9,26)$

Substitute the values of x and y in each of the constraints

constraint 1

$26\geq 3*9$

$26\geq 27$ ---------> is not true

constraints 2

$24\ ft\leq 26 \leq 33\ ft$ -------> is true

constraints 3

$9\leq10 \ ft$ --------> is true

therefore

the ordered pair $(9,26)$ does not meet all restrictions for a successful launch

case E) point $(2,22)$

Substitute the values of x and y in each of the constraints

constraint 1

$22 \geq 3*2$

$22\geq 6$ ---------> is true

constraints 2

$24\ ft\leq 22 \leq 33\ ft$ -------> is not true

constraints 3

$2\leq10 \ ft$ --------> is true

therefore

the ordered pair $(2,22)$ does not meet all restrictions for a successful launch

the answer is

$(0,33)$

$(4.8,30.5)$

6 0

3 years ago

Read 2 more answers

Identify the number of solutions. 54x + 2x2 – 7x4 + 5 = 0

viktelen [127]

Use mathaway trust me

3 0

2 years ago