Find the value of x to make the following expression true.
3x=729

Answer:32.684 inches

Step-by-step explanation:

You can find the diagonal of a rectangle if you have the width and the height. The diagonal equals the square root of the width squared plus the height squared.

Answer:

Length = Width = 7 cm

Step-by-step explanation:

Answer: 81 ft^2

Hello! The surface area of the rectangular prism will follow this process:

Right triangle area: (1/2)bh

So that 6ft (4.5ft) = 27ft^2/2; though when one multiplies that by 2 (as there are two right triangles), we get a surface area of 27ft^2.

For the rectangle's area, it's slightly more deviated since each face is different in length: bh

Face 1 = 3ft(7.5ft) = 22.5ft^2

Face 2 = 3ft(6ft) = 18ft^2

Face 3 = 4.5ft(3ft) = 13.5 ft^2

Thus, if we add these all together (27ft^2. + 22.5ft^2 + 18ft^2 + 13.5 ft^2), we get 81 ft^2

Answer:

A

If it is right, then give me a brainllest okay?

Answer:

14

Step-by-step explanation:

Answer:

70

Step-by-step explanation:

y=4. So replace y with 4. Your new equation is:

5 · 4² - 10

You can use basic math to finish the equation.

5 · 16 - 10

80 - 10

70

Answer: 70

Step-by-step explanation:

Substitute 4 for y in the expression (since y = 4)

Use PEMDAS (parentheses, exponents, multiplication, division, addition, subtraction)

5 * (4)^2 - 10

= 5 * 16 - 10             Evaluate the exponent first

= 80 - 10                 Then multiply 5 and 16

= 70                         Finally, subtract

Answer: (1, 2)

which means

x = 1

y = 2

Step-by-step explanation:

y = -x + 3

y = 2x

Because both equations are set equal to y, they can be set equal to each other. The equations are ready to go to use Substitution method.

Substitute.

-x + 3 = 2x

Add x to both sides.

3 = 3x

Divide by 3.

3/3 = x

1 = x

We can put the 1 in for x in either equation.

y = 2x

y = 2(1)

y = 2

Putting x for 1 into the other equation is a good check.

y = -x + 3

y = -1 + 3

y = 2

So the x and y that work in both of these equations is:

x = 1 and y = 2

The form that was asked for was ( , ).

So the answer is

(1, 2).

Answer: 1, 2

Step-by-step explanation:

Answer:

the firs box goes in the elephant one

Step-by-step explanation:

Answer:

1. 30

2. track and field, swimming, gymnastics

3. most classmates didnt like rowing or soccer

4. yes because instead of the bars going up to the number of kids there would be a dot for every kid.

Step-by-step explanation:

Answer:

C. 12

Step-by-step explanation:

It takes her 4 weeks to walk a mile a day for a week. For 3 miles a day, mulitply 4 by 3 to get 12 weeks.

Give me brainliest please

Answer:

The picture is blurry can u send a clear picture

Answer:

For F ( 5,3)

and For E(2,4)

Answer:

16%

Step-by-step explanation:

first you have to find out how many boxes are in the sample (count the dots - 25) Then you do 4/25 to find the percentage because there are 4 that have 48 raisins (.16) and move the decimal point to the left 2 (multiply by 100)

Answer:

a

Step-by-step explanation:

4 boxes are full of 48 raisins. 25 boxes total.

4/25 = 0.16

Convert 0.16 into a percentage by multiplying by 100.

0.16*100 = 16

so it should be 16%, correct me if wrong though.

Answer:

All properties that were used to simplify the following problem:

1. commutative property of multiplication

2. multiplicative inverse 3. multiplicative identity

What is commutative property of addition?

The commutative property states that an expression of the form (A + B) can be solved as (B + A) by an addition operation that does not change the end result.

The commutative property of addition says that it doesn't matter how we add two numbers, the result of the addition would be same.

For two numbers x and y, we have: x + y = y + x

Thus, if we take 3 numbers as a,b and c;

a + b + c = b + a + c = b + c + a = a + c + b = c + a + b = c + b + a

We have been given an expression;

2/7 • 53 • 7/2

53 • 2/7 • 7/2

53 • 1

53

Then all properties that were used to simplify the following problem:

1. commutative property of multiplication

2. multiplicative inverse

3. multiplicative identity

Learn more about properties of addition here:

brainly.com/question/1709448

#SPJ2

Answer:

b

Step-by-step explanation:

I think I remember how to do this I don’t know but yes it’s is b

Answer: per acre there is 7 pounds of seed per acre  

Step-by-step explanation:

you do 28 divided by 4 to get the pound of seeds per acre giving you 7

Answer:

[tex]\frac{1}{7}[/tex] acres

Step-by-step explanation:

[tex]\frac{1}{28}= \frac{y}{4}[/tex]

28 × y = 1 × 4

28y = 4

28y ÷ 28 = 4 ÷ 28

[tex]y=\frac{1}{7}[/tex]

Answer:

(in the box)

X Y Ordered Pair

4 2 (4,2)

6 3 (6,3)

8 4 (8,4)

10 5 (10,5)

Equation: y=2x

Answer:

a) 7 blocks

b) 16

c) 10

d) 13

Answer:

3.67 or 3.7

Step-by-step explanation:

1+3+1+4+3+6+7+3+5/9

Answer:

look below!

Step-by-step explanation:

since the absolute value is just the number in positive form, the absolute value for the numbers are

-7: 7               1:1           So, the distance between the numbers is 12; 7+5=12.

-6: 6              2:2

-5: 5              3:3

-4: 4              4:4

-3: 3              5:5

-2: 2

-1: 1

Answer:

The circumference talks about the outside of the circle. So the formula for the circumference of a circle is 2πr (r stands for radius and π is pi. In this case we use 3.14 for pi).

Since the radius is half of the diameter and we know that the diameter of the trashball is 4 in, we half the 4. So the radius of the trashball is 2 in.

Now plug everything in the formula.

2(3.14)(2) = 12.56.

The circumference of the trashball is 12.56 in.

Step-by-step explanation:

can u just give me brainliest

Answer:

Marissa did not change the direction of the inequality sign.

Step-by-step explanation:

Hello!

We can solve the inequality as well, and compare our steps to Marissa's to verify her steps.

We have the same number, but a different inequality sign. This is because we have to flip the inequality sign when multiplying and dividing by a negative number.

Therefore, the answer is the last option, Marissa has to flip the inequality sign when multiplying by a negative number.

Answer:

F

Step-by-step explanation:

2^5x6=192

Please mark brainliest

Answer:

H

Step-by-step explanation:

they have to be prime numbers and H is the only one that fits

Answer:She could offer 8 different ice cream desserts

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

2 x 2 x 2 = 8

Answer:

11 (: Hope this works

Step-by-step explanation:

Answer

1:5  or 1/5

hope this helps

Answer: 897

Step-by-step explanation:

(465+235+286)-89= ?

(700 + 286)-89

986-89

897

Answer: 3.14,√80, √12 are all irrational.

Answer:

write it can't see image as it's tooo smalllllll

Answer: I think that bob canoed 4 miles to his house.

Step-by-step explanation: The line for 3 miles is to short, and the line for 5 miles seems to long. So, 4 should be your answer.