A rectangular poster has an area of 38 square feet. It is 4 3/4 feet wide at its base. What is the height of the poster? HELP I NEED ANSWERS QUICK

Step-by-step explanation:

The height of the swipe card is given by :

[tex]h(t)=-3t^2+15t+18[/tex] .....(1)

We need to find the maximum height of the swipe card and the time to reach the maximum height.

For maximum height, put dh/dt = 0

So,

[tex]\dfrac{d}{dt}(-3t^2+15t+18)=0\\\\-9t+15=0\\\\t=\dfrac{15}{9}\\\\t=1.67\ s[/tex]

It will take 1.67 seconds to reach the maximum height.

Now, put t = 1.67 s in equation (1).

[tex]h(1.67)=-3(1.67)^2+15(1.67)+18\\\\=34.68\ feet[/tex]

Hence, the maximum height of the swipe card is 34.68 feet and the time to reach this height is 1.67 s.

Answer:4.7

Step-by-step explanation:

Answer:

Step-by-step explanation:

Factor

x^2-6x+8<0

(x-2)(x-4)<0

For this to be less than zero the factors must have opposite signs.

x>2 and x<4

2<x<4

So x is all real numbers between 2 and 4 or in interval notation

x=(2,4)

Answer:

t=9

Step-by-step explanation:

subtract 9 from both sides

t/3=3

t=9

Answer:

Step-by-step explanation:

51mi(3in/17mi)=9in

Answer:

12/25 and 12/24

Step-by-step explanation:

Answer:

12 over 25 and 11 over 24

Step-by-step explanation:

12 yellow marble out of 25 then you take one away because a marble wasn't put back into the bag so 11 over 24

4 feet

Step-by-step explanation:

there's 12 inches in a foot. so 48÷12= 4 feet

Answer: 7

Step-by-step explanation: 35% of 20 = 7

I hope you do good on your test :)

Answer:

7

Step-by-step explanation:

addd lol

Answer:

n=5

Step-by-step explanation:

50 divided by 10 = 5

Answer:

n=5

Step-by-step explanation:

To figure out n we must divide 50 and 10.

50 ÷ 10 = 5

So n=5

Answer:

450 x (1 + 0.5) ^ X = Phone subscribers

Step-by-step explanation:

Since a telecommunications company in a small town had 450 phone subscribers before they introduced a plan for newly joining members, and the company recorded an approximate 50% increase each month in the number of new phone subscribers, where they had one new subscriber at the start of the plan, to determine the number of phone subscribers x months after the plan was launched, the following function must be considered and solved:

450 x (1 + 0.5) ^ X = Phone subscribers

So, for example, in 3 months, the number of subscribers would be the following:

450 x (1 + 0.5) ^ 3 = 1,518.75

Thus, in 3 months, the company would have 1,518 subscribers.

Answer:

the angle is = 50

Step-by-step explanation:

8x+2+70+60=180° (interior angles of a triangle add up to 180°)

8x+132=180

8x=180-132

8x=48

divide with the coefficient of x both sides

x=6

substitute

(8(6)+2)+70+60=180

50+70+60=180

180=180

Answer:

[tex]\Huge\boxed{B.18.610}[/tex]

Step-by-step explanation:

Hello There!

We can find y by using trigonometric ratios

sine, cosine and tangent

[tex]tan= \frac{opposite}{adjacent}[/tex]

the opposite of the angle that has a measure of 28 degrees is y and the side that is adjacent to the angle is 35

so...

[tex]tan28=\frac{y}{35}[/tex]

now we solve for  y using basic algebra

we want to isolate the variable (y) using inverse operations

to get rid of the 35 we multiply each side by 35

[tex]\frac{y}{35} =y\\tan28*35=35tan28[/tex]

now we let the calculator do the rest of the work

[tex]35tan(28)=18.60983011[/tex]

*round to the nearest thousandth*

we're left with

y = 18.610

hence your answer is B

Answer:

8.3 centimeters

Step-by-step explanation:

Answer:

8331.05

Step-by-step explanation:

i hope this helps :)

Answer:

H

Step-by-step explanation:

-4000 is the slope

pick a point

y = -4000x + 20000

Answer:

1/3 pie r square h ( 2nd option)

Step-by-step explanation:

Answer:

√(684×684)=√684²=±684

Answer: -2

Step-by-step explanation: 6-6=0, and 0-2= -2, so that is how i got my answer

Answer:

-2

Step-by-step explanation:

6 - 8 = -2

please mark as brainliest

Answer:

Option A will be your answer

Step-by-step explanation:

hope it's helpful...

Answer:

y = -3

Step-by-step explanation:

y=2cos(x/4)−3

range of cos α : -1 ≤ cos α ≤ 1

-2 ≤ 2cos(x/4) ≤ 2

-5 ≤ 2cos(x/4)−3 ≤ -1       (-2-3= -5 and 2-3= -1) ....Range ( 2 x Amplitude)

midline: midline of y = -1 and y = -5        y = -3

Answer:

answer is 5 i cant show work in brainly because of the fractions

Step-by-step explanation:

Answer:

3 and 1/3 divided by 2/3=

10/3 divided by 2/3=

10/3 x 3/2=

30/6=

5

10/3 x 3/2  <--- you can also cancel the 10 and the 3

you still get 5/1 = 5

Step-by-step explanation:

hope this helps        :)

Answer:

35

Step-by-step explanation:

Every non-zero complex number has three cube roots. In general, any non-integer exponent, like  

1

3

here, gives rise to multiple values. The way we find them is by multiplying  

z

by 1 before exponentiating. We write  

1

using Euler's Identity to the  

2

k

power for integer  

k

. That's

Answer:

x = 2

y = 1

Step-by-step explanation:

4 x 2 = 8

3 x 1 = 3

8 + 3 = 11

So therefore

x = 2

y = 1

Have a nice day :)

Spanish:

Responder:

x = 2

y = 1

Explicación paso a paso:

4 x 2 = 8

3 x 1 = 3

8 + 3 = 11

Asi que, por lo tanto

x = 2

y = 1

Que tenga un buen día :)

Answer:

-1/6

Step-by-step explanation:

-1

6

-1*1= -1

2*3= 6

Answer:

ΔWUV⁓ΔSRT

Step-by-step explanation:

∠W⁓∠S

∠U⁓∠R

Answer: 12 students preferred math

Step-by-step explanation:

Take this equation

80(n)

n will equal (0.15) for the 15% surveyed who preferred math

80(0.15)

12

Answer:

74 ft

Step-by-step explanation:

plz give brainlyest

Answer:

c=a2+b2=102+102≈14.14214

Step-by-step explanation:

NO give me brainliest :)