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3 years ago

Four times the square of a number is thirty-six"

Mathematics

1 answer:

natka813 [3]3 years ago

5 0

Well first do 36 divided by 4, which is 9, then square root 9 to make it 3, so your answer should be 3

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A satellite moves at a speed of 27,000 kilometers per hour. Write four numbers that could be the actual speed of the satellite.

Anon25 [30]

27,000 kilometers per hour equals

16777 miles per hour
24606 Feet per second
7500 Meters per second
14759 Knots

7 0

2 years ago

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Alenkinab [10]

Answer:

#brainliest

Step-by-step explanation:

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2 years ago

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Find two geometric means between 7 and 189

Roman55 [17]

Answer: 21, 63

Step-by-step explanation:

We need to find two geometric means between 7 and 189.

The Geometric Sequence is: 7, ____, ____, 189

Let's find r (common ratio):

We can see that the common ratio will be multiplied by itsely 3 times in order to get from 7 to 189:

7 r³ = 189

$r^3=\dfrac{189}{7}$

r³ = 27

∛r³ = ∛27

r = 3

Now that we know the common ratio is 3, we can multiply 7 and 3 to get the next term (21), and multiply that by 3 to get the third term (63), and multiply that by 3 as a check to confirm we get 189.

7 x 3 = 21

21 x 3 = 63

63 x 3 = 189 $\checkmark$

The completed Geometric Sequence is: 7, 21, 63, 189

8 0

2 years ago

Which statement is best represented by the inequality c greater-than 3 and one-half?

luda_lava [24]

Answer: Chef Andre used more than 3 and one-half cups of flour.

Step-by-step explanation:

This is the > ‘greater than sign. For the question, we are to get the inequality that shows that"c is greater-than 3 and one-half".

Let Chef Andre be represented by c. Greater than is used to denote a situation when something is."more than" another thing. In this scenario,

Chef Andre used more than 3 and one-half cups of flour. This can be represented as C > 3 1/2.

This is the correct answer.

3 0

2 years ago

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6 ( x - 1 ) = 9( x - 4 ) solve for x I'm giving points pls answer fast

Alex

Answer:

x = 10

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

6(x - 1) = 9(x - 4)

Step 2: Solve for x

Distribute: 6x - 6 = 9x - 36
Subtract 6x on both sides: -6 = 3x - 36
Isolate x term: 30 = 3x
Isolate x: 10 = x
Rewrite: x = 10

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x: 6(10 - 1) = 9(10 - 4)
Subtract: 6(9) = 9(6)

Here we see that the 2 expressions are exactly the same.

∴ x = 10 is the solution to the equation.

6 0

2 years ago