(i) p® – 8pº +p? + 5​

Rewrite the second equation:

This is to make the calculation easier. There are other ways to do this as well.

3y = 3x - 6

Substitute that into the first equation:

Since they are the same thing (=), it is possible to replace 3y.

2x + (3x - 6) = 9

Solve the equation:

2x + 3x = 9 + 6

5x = 15

x = 3

Substitute x = 3 into the first equation:

2(3) + 3y = 9

6 + 3y = 9

3y = 3

y = 1

Answer: x = 3, y = 1

Answer:

In 2020 the population would be 673.

Step-by-step explanation:

Giving the following information:

Current population (PV)= 250

Growth rate (g)= 2% annualy

Number of periods (n)= 2020 - 1970= 50 years

To calculate the number of people in 2020, we need to use the following formula:

FV= PV*(1+g)^n

FV= 250*(1.02^50)

FV= 672.89 = 673

Answer:

b. x^4 + 4x^2 + 8x

Step-by-step explanation:

I took the test. Also the exponents need to be in descending order in order for the equation to be in standard form.

So b, starts with an exponent of 4, the decreased to just the x variable with an understood exponent.

Decreasing -> 4,2,(1)

Hope this helps :)

Answer:

B

Step-by-step explanation: took the test

Answer:

10

Step-by-step explanation:

Answer: x<10

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

Substituting a = 0 or b = 0 in the experssion will make it valid as it will also be equal to 0.

Answer:

5yd

Step-by-step explanation:

[tex]MSL =9-4=5[/tex]

Answer:

What are the numbers?

Step-by-step explanation:

Answer:

let me look

Step-by-step explanation:

Answer:

B) p= 8d

Step-by-step explanation:

Each day she reads that many pages.

When u multiply 8 x the number of days u get that many pages.

Please give me Brainliest

OMG!! U LIKE BTS!!! AND U LIKE KPOP!!!!

Answer:

a = 18

Step-by-step explanation:

2(a-7)=a+4

Distribute 2 into left side: 2a -14 = a + 4

subtract a from both sides  2a-a-14 = a+4-a

Simplify: a  - 14 = 4

Add 14 to both sides: a - 14 + 14 = 4 +14

Simplify:   a = 18

If wanted, plug a into original to double check work:

plug in: 2 (18-7) = 18+4

do parenthesis first: 2 (11) = 18+4

do multiplication : 22 = 18+4

additions: 22 =22

a = 18 is correct.

Answer:

A=18

Step-by-step explanation:

2(a-7)=a+4

2a-14=a+4

add 14 to both sides

2a=a+18

subtract a from both sides

a=18

Answer:

$49425.1688842

Step-by-step explanation:

Use formula: v=c*(p^t), where v is the price now, c is the cost price, p is the 100-the depreciation percentage and t is the time/years passed)

0.9¹²(175000)

0.28242953648(175000)

49425.1688842

Answer:

OK I will try

Step-by-step explanation:

Answer: x - 2.6 = 72.8

x is the number which Dan was thinking (x > 2.6)

we have:

x - 2.6 = 72.8

Step-by-step explanation:

Answer:

88

Step By Step

Step-by-step explanation:

An arithmetic sequence is defined as

an=a+d(n-1) where an=nth term, a=initial term, n=term number, and d=common difference

For sequence 1,4,7... a=1 and d=4-1=7-4=3 so

an=1+3(n-1)

an=3n-2, so the 30th term is

an=3(30)-2

an=88

Answer:

Step-by-step explanation:

An arithmetic sequence is defined as

an=a+d(n-1) where an=nth term, a=initial term, n=term number, and d=common difference

For sequence 1,4,7... a=1 and d=4-1=7-4=3 so

an=1+3(n-1)

an=3n-2, so the 30th term is

an=3(30)-2

an=88

Answer:so that’s a interior triangle so the mean your 2 points in the inside and the equation on the outside.

X=6

Step-by-step explanation:

(8x-4)+(3x+17)=(17x-23)

Combined our alike terms on the left side of the equation. So 8x+3x and -4+17.

11x+13=17x-23

Now this is what the equation should look like after combining ur alike terms.

11x+13=17x-23

-11x. -11x.

now u take the lowest x which is 11x and mince that from 17x but u only mince if it’s a positive but is it’s a negative u add it.

13=6x-23 so if u moved the x on the right side u move non variable number to the left but if u moved the x to the left u move the non variable number to the right so in this case the non variable number would be -23 so now u add 23 on both sides.

36=6x and now u just divide the 36 by 6 and remember to always divide by the x

Now the answer is x=6

Answer:

Step-by-step explanation:

159.39(1-25/100)

159.39(100-25)/100

159.39(75)/100

159.39(0.75)

$119.54

Answer:

sloppee!!!  thats just a weird word   (   <>

                                                                 )

                                                           (    <>

Step-by-step explanation:

Answer:

112

Step-by-step explanation:

the formula for area is length times width,so in this case 14×8 = the area

The hemisphere of radius 24 inches is full so the volume is 4/3 π 243 cubic inches. The cylinder has radius 16 inches so is volume is π 162 h cu inches. Thus pi 162 h = 4/3 π 243. Solve for h.

Answer:

weight of the kitten last year = 9 ounces

Step-by-step explanation:

Let

x = weight of the kitten last year

Weight of the kitten this year = 2 1/3 * x = 21

7/3*x = 21

7/3x = 21

x = 21 ÷ 7/3

x = 21 × 3/7

= 63/7

x = 9 ounces

weight of the kitten last year = 9 ounces

Answer:

35.53

Step-by-step explanation:

19.00x 87%=16.53

16.53+19.00= 35.53

Answer:

27

Step-by-step explanation:

h(-3) = -9(-3) = 27

negative x negative = positive

Answer:

h= 9

Step-by-step explanation:

h(-3)=-9(-3)

h(-3)=27

h=27/3

h=9

Answer:

Step-by-step explanation:

Recursive formula

a1 = -17

a^n = a^n-1 + 5

Explicit formula:

a^n = -17 + (n-1) * 5

Answer:

y = (3/2)x - 8    slope-intercept form

3x - 2y = 16      standard form

Step-by-step explanation:

Use the point-slope form of a line to do this problem.

[tex]y - y_{1} = m(x - x_{1} )\\[/tex]

In your case [tex](x_{1} , y_{1} ) = (8, 4)[/tex]

So. y - 4 = 3/2 ( x - 8)  

multiply thru by 2

2y - 8 = 3(x - 8)

2y - 8 = 3x - 24

2y = 3x - 16

y = (3/2)x - 8    slope-intercept form

3x - 2y = 16      standard form

Answer:

9

Step-by-step explanation:

Answer:

9

Step-by-step explanation:

M A T H W A Y

Answer:

6

Step-by-step explanation:

Answer:

It might be 11 but u try ur best