Negative X Plus 2y equals 6

Answers

Answer 1

Answer: plus x on bot sides. then divide both sides by 2 to get y by itself.

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Can you guys please help me!!

Answers

32 it’s as simple as 4(5) + 12

Answer:

a. 32

b. 32

Step-by-step explanation:

a. 12 + 4y

They gave us the value of "y" which is "5", and substitute that into the expression.

12 + 4y

12 + 4(5)

12 + 20

b. 4 (y + 3)

They gave us the value of "y" which is "5", and substitute that into the expression.

4 ( y + 3 )

4 ( 5 + 3)

Distributive property (multiply what is in the parenthesis by what is out of it (4))

4 * 5 + 4 * 3

20 + 12

Hope this helped!

Have a supercalifragilisticexpialidocious day!

County X has a population density of 250 people per square mile. The totalpopulation of the county is 150,000. Which geometric model could be the shape of
county X?
A a parallelogram with a base of 25 miles and a height of 25 miles
B a rectangle that is 15 miles long and 45 miles wide
C a right triangle with a leg that is 30 miles long and a hypotenuse that is
50 miles long
D a trapezoid with base lengths of 10 miles and 30 miles and a height of
25 miles

Answers

Answer:

Option C. is the correct option.

Step-by-step explanation:

County X has a population density of 250 people per square mile.

Total population of the county is 150000.

Total area which represents the population = $\frac{\text{Total population}}{\text{Population density}}$ = $(150000)/(250)=600$ square mile.

So geometric model which has the same area as 600 square miles will be the answer.

A). Area of a parallelogram = Base × height

= 25×25

= 625 square miles

which is not equal to 600 square miles so it's not the correct option.

B). Area of a rectangle = Length×width

= 15×45 = 675 square miles ≠ 600 square miles

Therefore, not the correct option.

C). Area of a right triangle = $(1)/(2)(Base)(height)$

Since length of hypotenuse is given so we will find the length of height.

Height = √[(Hypotenuse)²- (Base)²] = $\sqrt{50^(2)-30^(2)}$

= $√(2500-900)$

= $√(1600)$

= 40 miles

So area of the right triangle = $(1)/(2)(40)(30)$

= $(1200)/(2)$

= 600 square miles

Which matches the area of County X, so it's a correct option.

D). area of trapezoid = $(1)/(2)[(base1 + base2)](height)$

= $(1)/(2)(10+30)(25)$

= $(1)/(2)(40)(25)$

= 20×25

= 500 square miles ≠ 600 miles

Therefore, this option is not correct.

C. with a 150,000 person population at 250 persons per square mile the country would be 600 square miles. The last leg would equal 40 miles and therefore making the area equal 600 square miles.

What are the first three terms of the sequence a1 = 3 and an = 2(an-1)^2? I thought the answer was 3,18,32 but that's not an option! help????

Answers

Answer:

3,18,648

Step-by-step explanation:

We are asked to find out the first three terms of the sequence.

Recurring formula is given as

$a_(n) =2(a_(n-1) ^2)$

Since I term = 3

$a_(2) =2(a_(1))^2=2(3^2)=18$

Applying the same rule,

third term

= $a_(3) =2(a_(2))^2\n=2(18^2)\n=648$

Like this we can find out any number of terms using this recursive formula

a1=3
a2=2(3^2)=18
a3=2(18^2)=648

What is the axis of symmsymmiof y=2(x+1)^2

Answers

y=a(x-h)^2+k
axis of symmetry is x=h

given
y=2(x-(-1)^2+0
h=-1
axis of symmetry is x=-1

there are 2 people near the river they both want to get to the other side the boat can only take one person but how do they get across

Answers

Answer:

They are on opposite sides of the river ( the riddle never said that they were on the same side )

One simply uses the boat to cross the river and the other person gets into the boat and takes it back to where it started.

Step-by-step explanation:

Answer:

one person ues's the boat to get to the other side then when they get there come up with a srategy to get the boat back to the other person

Step-by-step explanation:

Help please ❤️Is it possible for an amount of money invested in an
account earning simple interest to earn more interest than the same
amount of money invested at the same rate in an account earning
interest compounded annually? Explain.

Answers

Answer:

yes

Step-by-step explanation:

if u don't touch that money for a long time u will have more money than in the other. hope this helps.

can I please have brainliest.

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