What's the difference when five squared is subtracted from four cubed?

Answers

Answer 1

Answer: $4^3-5^2= 4\cdot 4 \cdot 4-5\cdot 5 = 64-25 = 39$

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80 POINTSSolve for x. Use the completeing the square method. x^2+8x=7

Answers

Answer:

x = -4 ±√23.

Step-by-step explanation:

x^2 + 8x = 7

(x + 4)^2 - 16 = 7

(x + 4)^2 = 23

x + 4 = ±√23

x = -4 ±√23.

Answer: The correct answer is C.

Step-by-step explanation:

⇒ $x^(2) +8x+16$

⇒ which is also, $(X+4x^(2) ) = 23$

⇒ So, $x + 4$ is a square root of 23.

⇒ Then, it could be positive or negative one:

So that's why the answer would be C.

* Mark me the Brainliest:)) Hope this helps:)

Y=x+4 Im confused on this coordinate grid.

Answers

Answer:

you star from 0 and then go up 4 over 1

Answer:

it means what Y equals what x is plus 4

Step-by-step explanation:

What is 7/10 divided by 1/5
A.2/7
B.7/50
C.3 1/2
D.1 3/5

Answers

→ The way I like to do these kind of math problems is below - I find it easier

A fraction usually means to divide, so I will start by dividing the numerator by the denominator of 7/10.

7/10 = 0.7, or, 70%

1/5 = 0.2, or, 20%

Now, we can go and divide each of our answers together.

0.7 ÷ 0.2 = 3.5 :D

Your final answer is 3.5

↑ ↑ ↑ Hope this helps! :D

7/10/ (1/5)
= 7/10* 5/1
= 7/2
= (6+1)/2
= 6/2+ 1/2
= 3+ 1/2
= 3 1/2

The correct answer is C. 3 1/2~

Two sides of a rectangular desktop are 3 feet long. The area of the desktop is 15 square feet. What's the perimeter of the desktop

Answers

45 hope that helps for you

Which is a rational number? A.9 B. 15 C. 28 D. 52

Answers

A rational number is a number that can be expressed as a fraction, therefore all integers are rational numbers

What is negative 4 minus negative 2?

Answers

-4 - (-2) = -4 + 2 = 2 - 4 = -2

The value of the verbal expression is -2.

Given that a verbalexpression negative 4 minus negative 2, we need to solve this,

To subtract a negative number, you can rewrite it as adding the opposite. Therefore, "negative 4 minus negative 2" can be rewritten as "negative 4 plus positive 2."

When you add a negative number and a positive number, you can simply combine them by their absolute values and use the sign of the larger number. In this case, the absolute values of 4 and 2 are the same, so the result will have the same sign as the larger number, which is negative.

Therefore, "negative 4 plus positive 2" equals -2.

So, negative 4 minus negative 2 is equal to -2.

Learn more about Expression click;

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