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3 years ago

If (89)p = 818, what is the value of p? 9 and p and 18 is exponets

Mathematics

2 answers:

allochka39001 [22]3 years ago

8 0

If your equation is (8^9)^p=8^18, then 9p=18, p=2

Anni [7]3 years ago

5 0

Answer:

The value of p is 2.

Step-by-step explanation:

Given equation,

$(8^9)^p=8^{18}$

$8^{9\times p}=8^{18}$ ( $\because (a^m)^n=a^{mn}$ )

$8^{9p}=8^{18}$

$9p = 18$ ( $\because a^m =a^n\implies m = n$ )

Divide both sides by 9,

$p=2$

Hence, the value of p is 2.

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Minchanka [31]

Answer: Reggie will end up paying $9900 for the car.

Step-by-step explanation:

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Total cost = $1500 + $8400 = $9900

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4 years ago

Line l is the perpendicular bisector of AB. What is the perimeter of ABC

saveliy_v [14]

Answer:

Perimeter = 60

Step-by-step explanation:

because l bisects AB:

3y+1 = 5y-5

reduce:

2y = 6

y = 3

and:

2x+4 = 4x-12

reduce:

2x = 16

x = 8

AB = (3y+1) + (5y-5)

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substitute for y

AB = 8(3)-4

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reduce:

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3 0

2 years ago

HALP PLeAASE i will give brainly ;D

a_sh-v [17]

Answer:

the total amount is £756.

Step-by-step explanation:

given, monthly charge =£16

rate per min of call= £13 per min(150free calls )

rate per texts= £15per text (150 free text)

now, total calls made =170calls

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now, minimum charge for 150 calls is free

so, left calls = 20 calls

charge for 20 calls= 20×£13

therefore, the charge for 20 calls is £260

now, for text

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therefore the charge of 32 text is £ 480.

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hope it helps...

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3 years ago

What does $42,690e(0.03)×(20) equal

Mice21 [21]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

A rock is thrown upward from a bridge that is 57 feet above a road. The rock reaches its maximum height above the road 0.76 seco

bekas [8.4K]

answer:

$f(t) = -9.9788169(t -0.76)^2 +57$

Step-by-step explanation:

On this question we see that we are given two points on a certain graph that has a maximum point at 57 feet and in 0.76 seconds after it is thrown, we know can say this point is a turning point of a graph of the rock that is thrown as we are told that the function f determines the rocks height above the road (in feet) in terms of the number of seconds t since the rock was thrown therefore this turning point coordinate can be written as (0.76, 57) as we are told the height represents y and x is represented by time in seconds. We are further given another point on the graph where the height is now 0 feet on the road then at this point its after 3.15 seconds in which the rock is thrown in therefore this coordinate is (3.15,0).

now we know if a rock is thrown it moves in a shape of a parabola which we see this equation is quadratic. Now we will use the turning point equation for a quadratic equation to get a equation for the height which the format is $f(x)= a(x-p)^2 +q$ , where (p,q) is the turning point. now we substitute the turning point

$f(t) = a(t-0.76)^2 + 57$ , now we will substitute the other point on the graph or on the function that we found which is (3.15, 0) then solve for a.

0 = a(3.15 - 0.76)^2 + 57

-57 =a(2.39)^2

-57 = a(5.7121)

-57/5.7121 =a

-9.9788169 = a then we substitute a to get the quadratic equation therefore f is

$f(t) = -9.9788169(t-0.76)^2 +57$

4 0

3 years ago