What is the volume of a square pyramid that is 8 feet tall with base edges of 3 feet ?

A.) 24 cubic feet

B.) 36 cubic feet

C.) 48 cubic feet

D.) 72 cubic feet

Answer:

1600 integers

Step-by-step explanation:

Since we have a four digit number, there are four digit placements.

For the first digit, since there can either be a 5 or an 8, we have the arrangement as ²P₁ = 2 ways.

For the second digit, we have ten numbers to choose from, so we have ¹⁰P₁ = 10.

For the third digit, since it neither be a 5 or an 8, we have two less digit from the total of ten digits which is 10 - 2 = 8. So, the number of ways of arranging that is ⁸P₁ = 8.

For the last digit, we have ten numbers to choose from, so we have ¹⁰P₁ = 10.

So, the number of integers that can be formed are 2 × 10 × 8 × 10 = 20 × 80 = 1600 integers

Answer:

x=-1/5

Step-by-step explanation:

[tex]\frac{2}{5} (5x-3)+\frac{3}{5} =4x-\frac{1}{5}[/tex]

Multiply both sides by 5:

2(5x-3)+3=20x-1

Distribute:

10x-6+3=20x-1

Simplify Like-Terms:

10x-3=20x-1

Add 3 to both sides:

10x=20x+2

Subtract 10x from both sides:

0=10x+2

Subtract 2 from both sides:

10x=-2

Divide by 10:

x=-2/10

or

x=-1/5

Answer:

y=2/3

Step-by-step explanation:

Answer:

(-2,3) x= -2 y=3

Step-by-step explanation:

The first thing you should do is convert both into standard y=mx+b form

For the first equation you subtract 5y and add 11 to both sides to get

13x+11= -5y

you divide by negative 5 to get

-13x/5-11/5=y

For the second equation we subtract 11y and 7 from both sides to get

13x-7= -11y

divide both sides by -11 to get

-13x/11 + 7/11

We then set both equations equal to each other and solve for x

-13x/5-11/5= -13x/11 + 7/11

Add 11/5 to both sides to get

-13x/5 = -13x/11 + 156/55

Add 13x/11 to both sides to get

-78/55x=156/55

Divide and solve for x to get -2

Then plug x = -2 into the original equations to find y

13*-2 + 5y = -11

-26 + 5y = -11

Add 26 to both sides

5y= 15

y =3

Answer:

22.99 inches

Step-by-step explanation:

According to problem, given data are as follows:

Fabric used for headband = 595.56 inches

Number of headbands made = 39 + 3 = 42

So, Fabric used per headband = 595.56 ÷ 42 = 14.18 inches per headband

Similarly, Fabric used for wristband = 343.59 inches

Number of wristbands made = 39

So, Fabric used per wristband = 343.59 ÷ 39 = 8.81 inches per wristband

So, Fabric used for each player = 14.18 inches + 8.81 inches

= 22.99 inches

Answer:

k = - 12

Step-by-step explanation:

(5)³ - 7(5) + k = 78

125 - 35 + k = 78

k = - 12

Answer:

1- Sandra

2- compañera

3- tarea

4- hacer los

Step-by-step explanation:

i just came up with a conversation about hw between them

no entiendo la pregunta. que necesitas escribir?

por favor, dices mas.

Lol im not very good at spanish either i hope this makes sense

Answer:

would be A.

Step-by-step explanation:

A.

Answer:

(11,25)

Step-by-step explanation:

36-14 = 22

22/2= 11

11+14 = 25

Answer:

11 and 25

Step-by-step explanation:

The two numbers we'll call x and y.  Let's set up equations to model the situation:

x+y=38

x-y=14

Solving the second one for x,

x=y+14

Plug this into the first equation for x and get:

(y+14)+y=36

2y+14=36

2y=36-14

2y=22

y=11

x-y=14

x-11=14

x=14+11

x=25

Answer:

Step-by-step explanation:

Answer:

the correct answer is ×=-3

Answer:

they are corresponding angles

Answer:

x = - 6 ± [tex]\sqrt{37}[/tex]

Step-by-step explanation:

Given

x² + 12x = 1

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(6)x + 36 = 1 + 36

(x + 6)² = 37 ( take the square root of both sides )

x + 6 = ± [tex]\sqrt{37}[/tex] ( subtract 6 from both sides )

x = - 6 ± [tex]\sqrt{37}[/tex] ← exact solutions

Answer:

8/9n - 1 1/3

Step-by-step explanation:

Answer:

Yes im also sure that it is 86 degrees!

Step-by-step explanation:

Hope it helped ✨

it would be 20%

20 + 80 = 100

20 / 100 = 0.2

Answer:

1.25%w

Step-by-step explanation:

I can't Explain It In Words So ima add an equation. 0.3 divided by 24 =0.0125

0.0125 x 100 = 1.25

1.25 x the number of weeks she works out. (unknown)

Answer:

(4,0)

Step-by-step explanation:

add the 2 equations together

6x = 24

x=4

put x into the first equation

16+3y=16

y=0

9514 1404 393

Answer:

  (a)  25°

Step-by-step explanation:

The angle marked 93° is the average of the arcs intercepted by the secant lines.

  (161° +AD)/2 = 93°

  161° +AD = 186° . . . . . multiply by 2

  AD = 25° . . . . . . . . . . .subtract 161°

Answer:

2

Step-by-step explanation:

A = P( 1+r/n) ^ (nt)

P is the amount invested

r is the rate

n is the number of times per year the interest is compounded

t is the number of years

every 6 months is twice a year

so n is 2

Answer:

Step-by-step explanation:

10+50+60=500

Answer:

131.5512....I think

Step-by-step explanation:

730.84×0.18

ANSWER:

Circumference= 37.7

Area= 113.1

Answer:

8.25 Gallons

Step-by-step explanation:

2.75 gallons * 3 minutes = 8.25 gallons

Answer:

42.763 to the nearest tenth is 42.8

The nearest 1 decimal place for 42.763 is 45.000. I rounded .763 to 1. Then I added 42 and 1 together and got 43. Lastly i turned 43 into 45 because that closer to 43 then 40.

Answer:

-8

Step-by-step explanation:

Answer:

9,4 and 1,5

Step-by-step explanation:

there

Answer:

3 x − 7

Step-by-step explanation:

Answer:

-6

x+y= 16

y=-x-6

and so the y- is -6