Please show work, help me please,

Please Show Work, Help Me Please,

Answers

Answer 1

Answer:

377

Step-by-step explanation:

f(x) = 3* 2^(x+2) -7

Let x=5

f(x) = 3* 2^(5+2) -7

Parentheses first

f(x) = 3* 2^(7) -7

Then exponents

f(x) = 3* 128 -7

Then multiply

f(x) = 384 -7

Then subtract

f(x) = 377

Answer 2

Answer:

377

Step-by-step explanation:

3×2^x+2 -7

plug in 5 for x

3×2^5+2 -7

3×2^7 -7

377


Related Questions

find the slope of the line that passes through (23,-3) and (81,91)

Answers

Answer: m = 94 / 58 = 47 / 29 = 1.62069

Step-by-step explanation:

Answer:

47/29

Step-by-step explanation:

To find the slope between two points

m = ( y2-y1)/(x2-x1)

   = ( 91- -3)/(81 - 23)

   = ( 91+3)/(81 - 23)

   = 94/58

   = 47/29

Work out the height of this triangle with base,
b = 8mm
and area,
A= 218.8mm2.

Answers

Answer:

54.7

Step-by-step explanation:

You have to devide 218.8 with the base
h= 218.8 devided by 8mm gives us 27.35 mm and if you multiply 8 by 27.35 it gives you the same answer for the area

Evaluate 10x2y–2 for x = –1 and y = –2.




A: 5/8



B: 40



C:2 1/2



D:10(2)^0

Answers

Step-by-step explanation:

what you typed in here must be wrong or incomplete.

what you typed is (with explicit multiplication symbols to make it clear)

10×x×2×y - 2

for x=-1 and y=-2

that shows then

10×-1 × 2×-2 - 2 = -10 × -4 - 2 = 40 - 2 = 38

but 38 is not in the answer options.

so, there must be something wrong with your problem description.

what is the perimeter?

Answers

P = 8 + 10 + 8 + 10

P = 36

..................................

John deposits Rs 25 000 in a bank which pays simple interest at the rate of 9% per year. after how many years will he earn an interest of Rs 6750?

Answers

I = 6750

P= 25000

r = 9% = 0.09

t=?

I= prt

6750 = 25000×0.09× t

t = 6750/25000"0.09 = 3

Answer - 3 years.

********Mathematics********​

Answers

Answer:

m=-1and c=3

m=-2c=-3

m=5c=-2

m=3andc=-2

There are 2 bags of cat food to be shared equally between 9 kittens. What fraction of a bag will each kitten eat?​

Answers

Answer: 2×9=18

Step-by-step explanation:

Answer:

the fractio will be

[tex] \frac{2}{9} for \: each[/tex]

Estimate a 15% tip on a dinner bill of $61.75 by first rounding the bill amount to the nearest ten dollars. What’s the estimated tip?

Answers

Answer:

Tip = $9

Step-by-step explanation:

Bill amount to nearest ten dollars = $60

[tex]tip = 15\% of 60 = \frac{15}{100} \times 60 = 9[/tex]

A cylinder has a surface area of 502.4 square inches and a height of 11 inches. What is the volume? PLEASE HELP!!

Answers

Answer:

V≈ 863.27 in³

Step-by-step explanation:

Complete the equation of this circle:
А
(x - [ ? ])2+(y - [ ])2= [ ]

Answers

equation for a circle is ( x - h )^2 + ( y - k )^2 = r^2,

so in first box - h

in second box - k

after equal to box = r²

Answer:

The answers that would be put into the question box's are: 3, 2, and 16:

(x - 3)^2 + (y - 2)^2 = 16 :)

Hope this helps

Two complex numbers are represented by c + d[tex]i[/tex] and e-f[tex]i[/tex] , where c, d, e, and f are positive real numbers. In what two quadrants may the product of these complex numbers lie? Explain your answer in complete sentences.

Answers

Answers: First Quadrant and Fourth Quadrant

======================================================

Explanation:

Let

w = c + diz = e - fi

be the two complex numbers.

Multiply them out to see what we get

[tex]w*z = (c+di)(e-fi)\\\\w*z = c(e-fi)+di(e-fi)\\\\w*z = ce-cf*i+de*i-df*i^2\\\\w*z = ce-cf*i+de*i-df*(-1)\\\\w*z = ce-cf*i+de*i+df\\\\w*z = (ce+df)+(-cf+de)*i\\\\[/tex]

The result we get is in the form a+bi where

a = ce+df = real partb = -cf+de = imaginary part

Recall that any complex number of the form a+bi can be plotted on the xy plane with 'a' being treated as the x coordinate and b as the y coordinate. In short, the location of a+bi is at the point (a,b)

With c,d,e,f being positive, this means ce and df are positive, and a = ce+df is also positive.

This places the result of wz in either the first or fourth quadrants (the northeast or southeast quadrants respectively), due to the positive x coordinate.

We don't have enough info to determine whether b = -cf+de is positive or not. So that's why we can't nail down the precise quadrant of wz

If b > 0, then wz is in quadrant 1

If b < 0, then wz is in quadrant 4

Order the number from least to greatest 1/3,0.3,2/3 and 2/5

Answers

0.3, 1/3, 2/5, 2/3
Hope this helps!

note: Do me a favor and mark me as brainliest? Would really help motivate me to help out more people. Thank you.

ucas writes a numerical expression that has a value of 37. Which of the following expressions did Lucas write?

a
2.5^2+19\times2.5-16.75

b
2.5+19\times2.5-16.75

c
2.5^2+19\times2.5+16.75

d
2.5\times19+2.5^3-16.75

Answers

Answer:

a) 2.5^2+19\times2.5-16.75

Step-by-step explanation:

(2.5)² +(19× 2.5) - 16.75

= 6.25 + 47.5 - 16.75 = 37

A parallelogram has a base of 9 km and a height of 5 km.

Answers

Answer:

Area= b*h

9*5=45km^2

Step-by-step explanation:

Solve for x algebraically -3x > -18

Answers

Answer:

x < 6

Step-by-step explanation:

-3x > -18

Divide both sides by -3. (Remember to flip the > to <)

x < 6

An equation of the line passing through the points (4,3) and (-1,1)

Answers

A = ( 4 , 3 ) ..**&**.. B = ( - 1 , 1 )

_____________________________

Slope = [ y(B) - y(A) ] ÷ [ x(B) - x(A) ]

Slope = [ 1 - 3 ] ÷ [ - 1 - 4 ]

Slope = [ - 2 ] ÷ [ - 5 ]

Slope = 2/5

______________________________

y - y(0) = Slope × ( x - x(0) )

y - y(A) = Slope × ( x - x(A) )

y - 3 = 2/5 × ( x - 4 )

y - 3 = 2/5 x - 8/5

y = 2/5 x - 8/5 + 3

y = 2/5 x - 8/5 + 15/5

y = 2/5 x + 7/5

Help plz i will give brainliest!!!!!

Answers

Answer:

{3,4,5,7,9,10,13,17}

Step-by-step explanation:

The U means union and that means join sets A and B together

A U B

{3,4,5,7,9,10,13,17}

The bear moves closer, so Rick decides to go to the other side of the lake. Since there is a forest, he can only spotpoint A when angle C measures 50'. What trigonometric function would Rick

use to find AB if he knows the measure of BC ?

Answers

Answer:

Tangent

Step-by-step explanation:

Given

[tex]\angle C = 50[/tex]

See attachment for complete question

Required

Function to calculate BC

If AB is known, BC is calculated as:

[tex]\tan(C) = \frac{AB}{BC}[/tex]

Substitute d for AB and 50 for C

[tex]\tan(50) = \frac{d}{BC}[/tex]

Make BC the subject

[tex]BC = d * \tan(50)[/tex]

Hence, BC can be found using tangent

can someone help please

Answers

Answer:

- 3.21

Step-by-step explanation:

What is the answer to this?

Answers

Answer:

35.4

is the answer to this question

Helo again answer for me

Answers

Answer:

The left side

182

does not equal to the right side

450

, which means that the given statement is false.

False

Step-by-step explanation:

mark as brainliest!!

Answer= 268

Reason:-

Let The Missing Number be x

x+308-126=450

x+182= 450

x=450-182

x=268

Hope This Helps You ❤️

CAN SOMEONE PLEASE HELP ME I REALLY NEED SOMEONE'S HELP PLEASE I NEED TO GET AND 100 PLEASEEEEE. I WILL MARK BRIANLIST IF YOU GET IT RIGHT.

Answers

36 is the perimeter of this triangle.
16+10+10=36

Isosceles triangle---Since the other two sides are already congruent, we don't have to find the 3rd side.

What I do, is I would either calculate the slanted lines by seeing it was a full square/rectangle or I would find the slanted lines.

This example is is better one to visualize, so I went with this one.

hii i have to retake this test and i have no idea if im getting this right, can someone help me out please????

here is the question:

The volume of this cylinder is approximately 12,468.94 cubic feet.

The radius is ___ feet.

Use ​ ≈ 3.14.

image is also pasted

Answers

Answer:

radius = 19 ft

Step-by-step explanation:

volume of a cylinder: r²πh

12468.94 = r²π × 11

=> r² = 12468.94 ÷ 11π

=> r² = 361

=> r = 19

Answer:

r=19

Step-by-step explanation:

[tex]12468.94 = (3.14) {r}^{2} (11) \\ \frac{12468.94}{34.54} = \frac{34.54 {r}^{2} }{34.54} \\ \sqrt{361} = \sqrt{ {r}^{2} } \\ 19 = r[/tex]

Please help with this question

Answers

Answer:

56t

Step-by-step explanation:

what difference is there please tell me in a mathematical way​

Answers

the difference is that non-functional requirements describe how the system works, while functional requirements describe what the system should do
The left in is a function because there is a matching number/value and the right their is no similar function/number/value

Jean walks forward 80 feet to his mailbox. He then walks the 80 feet
back. Does Jean end up back where he started?

Answers

Answer:

yes

Step-by-step explanation:

Lucia has 48 markers and 64 stickers that she wants to give as favors for a party. She wants to put an equal number of markers and an equal number of stickers into each favor bag. She uses all the markers and stickers. What is the greatest number of bags Lucia can make

Answers

Answer:

The greatest number of bags Lucia can make = 16

Each of the 16 bags will contain 4 stickers and 3 markers

Step-by-step explanation:

Markers = 48

Stickers = 64

What is the greatest number of bags Lucia can make?

Find the highest common factor of 48 and 64

48 = 1, 2, 3, 4, 6, 8, 12, 16, 24 and 48

64 = 1, 2, 4, 8, 16, 32 and 64

The highest common factor of 48 and 64 is 16

The greatest number of bags Lucia can make = 16

Stickers = 64/16

= 4 stickers per bag

Markers = 48/16

= 3 markers per bag

Each of the 16 bags will contain 4 stickers and 3 markers

what is the area of the base of the cone below?

a) 2.4 ft^2
b) 4 ft^2
c) 22.5 ft^2
d) 26 ft^2

Answers

Answer:

[tex] \frac{1}{3} \times 12 \times area = 90 \\ area = 90 \div 4 = 22.5[/tex]

Can someone help with this

Answers

Answer:

Step-by-step explanation:

The standard form of a circle is

[tex](x-h)^2+(y-k)^2=r^2[/tex] where h and k are the coordinates of the center of the circle, and r is the radius squared. Our center is located at (-6, -4)  and from the center to the outer edge is 2 units, so the radius is 2-squaraed, which is 4. That makes the equation for this circle

[tex](x-(-6))^2+(y-(-4))^2=4[/tex] which simplifies to

[tex](x+6)^2+(y+4)^2=4[/tex]

Sam has a rectangular rug with an area of 50 square feet. The rug is 5 feet longer than it is wide. What is the width of the rug?
O A. W = 5 feet
O B. w = 6 feet
OC. w = 12 feet
OD. w = 4 feet

Answers

I think it’s gonna be A
A. W = 5 feet

We know the area = length x width.
We know length = w + 5.

5 + 5 = 10, multiplied by 5 = 50

It’s not B, because 6 + 5 = 11, and 11 x 6 = 66
It’s not C, because 12 + 5 = 17, and 17 x 12 = 204
It’s not D, because 4 + 5 = 9, and 9 x 4 = 36
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