An inventor makes a rectangular array of 1024 LEDs. Each row will
have 16 LEDs. How many rows of LEDs does he need?

Answers

Answer 1

Answer:

64

Step-by-step explanation:

Since the total area of the rectangle (in this case number of leds) is:

Total LEDs = rows * columns

you can just replace the values:

1024 = 16 * x

And then divide 1024 / 16 to find x

x = 64


Related Questions

pls help with this
15 points
with calculations also so i understand

Answers

Answer:

4200

Step-by-step explanation:

[tex]men = x \\ 360 - 130 = 260 \\ 260 = 2800 \\ 130 = x \\ 2800 \times 130 \div 260 = 1400 \\ total = 1400 + 2800 \\ = 4200[/tex]

9514 1404 393

Answer:

  10080

Step-by-step explanation:

The angle occupied by Women voters is ...

  360° -130° = 230°

Then the angle difference between the two sections is ...

  Women voters - Men voters = 230° -130° = 100°

The number of voters is proportional to the angle they occupy on the pie chart. That means ...

  (difference in voters) / (total voters) = (difference angle) / (total angle)

  2800 / (total voters) = 100° / 360°

Cross multiplying gives ...

  360° × 2800 = 100° × (total voters)

Dividing by 100° gives ...

  total voters = (360/100)×2800 = 10080

The total number of voters in the election is 10080.

Use the Pythagorean Theorem to find the missing length and then round the
result to the nearest tenth.
a = 7, b = 7, C =

Answers

Answer:

C (Hypotenuse) = 9.9

Step-by-step explanation:

Given the two sides of a triangle, where a = 7, and b = 7:

We can use the Pythagorean Theorem where it states: c² = a² + b².

Substitute the given values into the Pythagorean Theorem to find the length of the hypotenuse.

c² = a² + b²

c² = 7² + 7²

c² = 49 + 49

c² = 98

[tex]\LARGE\mathsf{\sqrt{c^2}\:=\:\sqrt{98}}[/tex]

c = 9.89 or 9.9

Therefore, the length of the hypotenuse is 9.9, making the given triangle an isoceles triangle with two equal sides.

WILL GIVE 100PTS

Find the slope of a line that passes through (-2, -3) and (1, 1).

A. 1 /3
B. 1
C. 2
D. 4/3​

Answers

Answer:

D

Step-by-step explanation:

Y2-Y1/x2-x-1

Answer:

D

Step-by-step explanation:

Formula for slope is (y2-y1)/(x2-x1).

(1-(-3))/(1-(-2)) = 4/3

The temperature at the North Pole averages -36࿁F. This past winter, the temperature averaged -47࿁F. Write a correct statement that compares the absolute values of the two temperatures

Answers

Comparing the temperature average, it can be concluded that the current average temperature is higher than the past average by 11°F

The temperature difference between the present and past winter can be expressed thus :

Current temperature average = - 36°F Past average = - 47°F

Temperature difference :

-36 - (-47) = 11°F

Therefore, we can conclude that the current average temperature is higher than the past average by 11°F

Learn more : https://brainly.com/question/17225268

lin ran 4 laps around the track in 5 minutes, if lin ran 21 laps, how long does it take her

Answers

Answer:

26 1/4 minutes or 1635 seconds

Step-by-step explanation:

Lin runs 4 laps in 5 minutes. You must turn this into a unit rate. In order to do this, you divide 4 laps by 4 to get 1 lap. To get the equivalent, you also have to divide 5 minutes (300 seconds) by 4. This will get you one lap for every 75 seconds. Because Lin ran 21 laps, see how many times 4 can go into 20 using a remainder if necessary. 4 can go into 21 5 times with a remainder of 1. 4*5=20 5*5=25. Now you add 75 seconds because you have an extra lap.

1+×= ???? answer it ​

Answers

Answer:

1+x=x

Step-by-step explanation:

1 is only one letter

help pls I'll give briliantest and give I 10 points please I need helpppp​

Answers

Answer:

P=-120

Step-by-step explanation:

This might be higher level than I am since I am still a student but p=-120i know that

BRAINLIEST TO CORRECT PLEASE HURRY

Answers

Answer:

-32

Step-by-step explanation:

These tables of ordered pairs represent some points on the graphs of lines s and t.

Which system of equations is represented by lines s and t?


5x−2y=−157x+4y=20


3x+5y=−185x−9y=25


x+4y=−89x−y=21


2x−y=−142x+y=6

Answers

The equation of line S is y = 2x + 14 while that of line T is y = -2x + 6.

A linear equation is in the form:

y = mx + b;

where y, x are variables, m is the slope of the line and b is the y intercept.

For line s, using the points: (-5, 4) and (4, 22). Hence:

[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\y-4=\frac{22-4}{4-(-5)} (x-(-5))\\\\y-4=2(x+5)\\\\ y=2x+14[/tex]

Line T passes through the points (-4, 14) and (5, -4). Hence:

[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\y-14=\frac{-4-14}{5-(-4)} (x-(-4))\\\\y-14=-2(x+4)\\\\ y=-2x+6[/tex]

Hence the equation of line S is y = 2x + 14 while that of line T is y = -2x + 6.

Find out more at: https://brainly.com/question/13911928

how do i rewrite -2/3x+2y=-7 in slope intercept form?

Answers

Answer:

y=1/3x-7/2

Step-by-step explanation:

First get the 2y by itself by adding 2/3x to both sides. Then subtract both sides by 2.

Y=1/3x-7/2


To do this put equation in y=mx+b

Finding it hard. I’d love some help and the answers. Thanks

Answers

for all of them its base times height

v=bh

1) (8*6/2)*9.5=228

2) (4.5/2)^2 *8= 40.5

3) (3.3* 8.3/2) *5.4= 74.0

4) ((3.2+4.8)/2)* 2.7 *4.4= 47.5

-2.875 greater than or less than -2 7/8

Answers

Answer:

They are both the same.

Step-by-step explanation:

-2.875

7/8 = 0.875 thus -2 7/8 is equal to -2.875

Janelys buys milk and apples at the store.
• She pays a total of $41.22.
• She pays a total of $3.22 for the milk.
• She buys 8 bags of apples that each cost the same amount.
.
Write and solve an equation which can be used to determine x, how much each bag
of apples costs.

Answers

Answer:

Each bag costs $4.75

Step-by-step explanation:

41.22 = 3.22 + 8x

38 = 8x

4.75 = x

Please help questions is down below.
Please answer all!
No bots pls!!!!!! Ill give brain thing

Answers

Question 1: 4/6
Question 2: 19/24 (not completely sure)
Question 3: 11/21

If i have a lawn mower for 3 $ and its 50 percent of what is the orginial price ?

Answers

Answer:

$6

Step-by-step explanation:

The number of eggs Mia can sell varies directly with the number of chickens she owns. The more hens she owns, the more
eggs she can sell. If she has 38 eggs each week when she owns 6 chickens, then how many eggs will she get if she has 15
chickens?

Answers

answer:
if she has 6 chickens and she sells 38 per week. you need to do (38 divided by 6) which would equal to 6.3 recurring (6.33333’) so now you’ve found out that one chicken is equivalent to 6.3333’ eggs you do (6.3333333x15) which is equal to 95

hope it helps

If there are 15 chickens. Then the number of eggs will be 95.

What are ratio and proportion?

A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.

The number of hens Mia has directly affected how many eggs she can sell. She can sell more eggs if she has more chickens. If she has 6 hens and produces 38 eggs every week.

Let the number of eggs be x. Then the equation is written as,

x / 15 = 38 / 6

x = 95

If there are 15 chickens. Then the number of eggs will be 95.

More about the ratio and the proportion link is given below.

https://brainly.com/question/14335762

#SPJ2

A solid right square prism is cut into 4 equal pieces parallel to its bases. The
volume of each piece is V = 1/4s2h.Solve the formula for s

Answers

Answer:

Step-by-step explanation:

If the volume of each piece is V = 1/4s²h then formula for s is 2√V/h

What is Three dimensional shape?

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

Given that a solid right square prism is cut into 4 equal pieces parallel to its bases

The volume of each piece is V = 1/4s²h.

We have to solve for s

4V/h=s²

Take square root on both sides

√4V/h = s

2√V/h = s

Hence, if the volume of each piece is V = 1/4s²h then formula for s is 2√V/h

To learn more on Three dimensional figure click:

https://brainly.com/question/2400003

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Determine a7 when a1 = - 4, r = 2

Answers

Answer:Geometric Sequence: an=a1rn−1. Explanation: a6=7×2(6−1)=7×32=224. hope that helped.

Step-by-step explanation:

Find the equation of the exponential function represented by the table below:
x y
0 5
1 15
2 45
3 135

y=

Answers

Answer:

y=5·3x

Step-by-step explanation:

x=0, y=5:

5=a·b↑0 a=5

x=1, y=15:

15=5·b↑1

b=15/5=3

The equation of the exponential function is y = 5(3)ˣ

What is an exponential function?

An exponential function is a Mathematical function in the form f (x) = aˣ, where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0.

Given,

x: 0, 1, 2, 3

y: 5, 15, 45, 135

We have to find the exponential equation:

The exponential function in the form:

y = a × b ˣ

y value of x as 0 is 5.

This is the a value in the equation.

The ratio of values between x as 1 and x as 0 is 15/5 which is equal to 3. This is the value of b in the equation.

Therefore, the equation will become:

y = 5 × 3 ˣ

Hence the equation of the exponential function is y = 5(3)ˣ

Learn more about exponential function here:

brainly.com/question/26489523

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I really need help, like my teacher hasn't gotten back to me yet. I looked through my lessons but my brain isn't comprehending ✨anything.✨ And im about to cry im so mad about myself.

Answers

Answer: 15

Step-by-step explanation:

Sorry bout that.....

math question!!!!!!!!!!!

Answers

Answer:

A: Walking

Step-by-step explanation:

-It cannot be biking because the constant of proportionality (COP) is 9.5 miles (per hour).

-It cannot be running because the COP is 5 miles (per hour).

-It cannot be swimming because the COP is 4.5 miles (per hour).

he is walking

14 divided by 4 is equivalent to 3.5 the equation being 14/4=3.5 or 3 1/2

geomtry plz help me 15 pointz

Answers

Answer:

m∠R=76°

Step-by-step explanation:

∠STR=∠RST=(2x+2)° (base angles of isos triangle)

2(2x+2)+(3x+1)=180 (angle sum of triangle)

      4x+4+3x+1=180

               7x+5=180

                    7x=180-5

                        =175

                      x=175÷7

                        =25

Hence, m∠R = (3x+1)°

                     = [3(25)+1]°

                     = (75+1)°

                     = 76°

Answer:

m∠R=76º

Step-by-step explanation:

All angles in a triangle add up to 180º.

The triangle given is an isosceles triangle.

(2x+2)+(3x+1)+(2x+2)=180

Remove parentheses.

2x+2+3x+1+2x+2=180

Collect like terms.

7x+2+1+2=180

Add.

7x+5=180

Subtract 5 from both sides of the equation.

7x=175

Divide 7 from both sides of the equation.

x=25

m∠R=(3x+1)º

3x25+1=76º

m∠R=76º

Hope this helps :)

The cash price of a used sedan is $18,750. Arthur Dennis cannot pay
cash, so he is making a down payment of $2,750 and 60 monthly
payments of $325 each. How much more does it cost to buy the vehicle this way?

Answers

Answer:

19,500

Step-by-step explanation:

You multiply 325 x 60 and you get 19,500

Tell whether the pairing is a function.
2.
Input
3
6
9
12
Output
1
2
N
1
Is it a function?

Answers

Answer:

I believe that it is function

1.7 6/5
2.4 25/25
3.28/3
what is the lowest term?

Answers

Answer:

3.

[tex] \frac{28}{3} [/tex]

Step-by-step explanation:

number 1 equals 8 1/5

number 2 equals 5

number 3 equals 9 1/3

Are the following polynomial sets open or closed? 6. (x ^ 2 + x - 4) - (x ^ 2 + x + 8) 7 (2 - x)(1 + 3x) 8. (5b - 3c)(7b - 3c)

Answers

Answer:

=5880b2x4−6048bcx4+1512c2x4−3920b2x3+4032bcx3−1008c2x3+33320b2x2−34272bcx2+8568c2x2−82320b2x+84672bcx−21168c2x−31360b2+32256bc−8064c2+6x2+6x−24

Step-by-step explanation:

Use logarithms to find the exact solution for 7(17^−9)−7=49.

Answers

ANSWER: x = -0.082


EXPLANATION:

1. Apply logarithm to both sides of the
equation. If one of the terms has base 10,
use common logarithm, otherwise, use
natural logarithm

2. Use the different properties of logarithms
to solve for the variable.

17
-92 _ 7 = 49
7.17-92 = 56
17-92 = 8
10g17(8)
-92
2
log, 7(8)
-9
log(8)
log(17)
-9
I=
-0.082
2 of 3
Add both sides by 7
Divide both sides by 7
Convert to logarithm
Divide both sides by - 9

For every 3 minutes that Ginny plays on the computer, she plays outside for 10 minutes. What is the ratio of minutes Ginny plays on the computer to minutes she plays outside?​

Answers

Three to Ten  3:10

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

please answer fully ?/'//////////////////////

Answers

Answer:

17.5

Step-by-step explanation:

i solved it and got that answer. hope this helps =)

Please I need help fast

Answers

Answer:

55

Step-by-step explanation:

Combine both bases (15+7 = 22)

Divide by 2 (22/2 = 11)

Multiply by height (11 x 5 = 55)

The answer to your question is 55 because of the height length base
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