If the dimensions of a figure are doubled, then the perimeter of the figure is

Answers

Answer 1

Answer: Hello,

Let's say there are n sides
$P(1)=a_(1)+a_(2)+a_(3)+....+a_(n)$

$P(2)=2*a_(1)+2*a_(2)+2*a_(3)+....+2*a_(n)\n=2*(a_(1)+a_(2)+a_(3)+....+a_(n))=2*P(1)$ (Put 2 in commun factor)
Perimeter is doubled.

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Blux17help! Miguel drove for 8 hours at a constant rate. He drove a total of 424 miles. Donna also drove at a constant rate. The table shows the number of miles she had driven in different numbers of hours. How do the unit rates compare? Miguel has a (blank) unit rate of change than Donna because(blank) is greater than(blank)

Factoring: All Techniques CombinedFactor Each

4) $x^(6) + 2 x^(4) - 16 x^(2) - 32$

Answers

$x^(6) + 2 x^(4) - 16 x^(2) - 32 =x^4(x^2+2)-16(x^2+2)=(x^2+2)(x^4-16)=\n \n=(x^2+2)(x^4-4^2)=(x^2+2)(x^2-4)(x^2+4) =\n \n=(x^2+2)(x^2+4)(x+2)(x-2) \n \n \na^2-b^2 =(a-b)(a+b)$

PLEASE HELP!! I WILL MARK THE FIRST CORRECT ANSWER BRAINLIEST!!))What is the volume of this cylinder?
Use až 3.14 and round your answer to the nearest hundredth.
11 cm
----
15 cm
cubic centimeters

Answers

Answer:

570 cm³

Step-by-step explanation:

V=πr²h

V= 3.14*11²*15

V= 5699.1

Round answer:

V= 570 cm³

Answer:

Step-by-step explanation:

V=πr2h=π·112·15≈5701.99067

5701.99 is your final answer

Have a nice day:)

Thuy drives 270 miles in 6 hours. How many miles does Thuy drive in 13 hours? 455 miles 585 miles 624 miles 715 miles

Answers

One way you can solve this is with proportions/ratios with multiplication
$(270miles)/(6hours) = (X miles)/(13hours)$

Cross Multiply
$(270 miles)(13 hours)=(X miles)(6 hours)$
$3510=6X$
$(3510)/(6) = (6X)/(6)$
$585 miles=X$

The answer is 585 miles

he drives 270 miles in 6 hours and 6x2= 12 so we are going to divide 270 in 6.
270%6= 45.
Now we multiply: 270x2=540
and we add 45 that equals an hour of driving.
540+45= 585
Now we got 13 hours of driving
Thuy drives 585 miles in 13 hours.

What is 7/10-14/100 in simplest form

Answers

$(7)/(10)-(14)/(100)=0.7-0.14=0.70-0.14=0.56$

first you have to make the fractions have the same denominator. so change 7/10 to 70/100. so that would be 70 minus 14. so the answer is 56/100. which can be simplified into 14/25.

What is the value of the expression below when c - 5 and d - 4 (c is to the second power)?6c2-5d+8

Answers

Well, let's write it out, shall we? 6c2-5d+8 Now plug in the numbers. 6(5^2)2-5(4)+8 Now simplify using PEMDAS Parentheses Exponents Multiplication Division Addition and Subtraction (They go together go from left to right in the equation) 5^2= 5*5 = 25 6 * 25 = 150 150 * 2 = 300 5 * 4 = 20 Rewrite the equation. 150-20+8 Use PEMDAS again ( refer to the previous mentioning) 150 - 20 = 130 130 + 8 = 138

"Solving Equations by Completing the Square: m^2+2m-48=-6

Answers

$m^2+2m-48=-6 \n \n m^2+2m-48+6=0\n \nm^2+2m-42=0\n \na=1, \ b= 2, \ c= -42 \n \n\Delta = b^(2)-4ac = 2^(2)-4*1*(-42)= 4+168 =172 \n\n√(\Delta )=√(172) =√(4*43)=2√(43)\n \nx_(1)=(-b-√(\Delta ))/(2a) =(-2-2√(43))/(2)=(2(-1-√(43)))/(2)= -1-√(43) \n \nx_(2)=(-b+√(\Delta ))/(2a) = (-2+2√(43))/(2)=( 2(-1+√(43)))/(2)= -1+√(43)$

$m^2+2m-48=-6\n\nm^2+2m\cdot1+1^2-1^2=-6+48\n\n(m+1)^2-1=42\n\n(m+1)^2=42+1\n\n(m+1)^2=43\iff m+1=-√(43)\ \vee\ m+1=√(43)\n\nm=-1-√(43)\ \vee\ m=-1+√(43)$

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