MATHEMATICS HIGH SCHOOL

The width of a rectangle is three units less than the length. The area of the rectangle is 4 units. What is the length, in units, of the rectangle

Answers

Answer 1

Answer:

length is 4

area= l*w

4-3=1

4*1= 4

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Trina borrowed $460 from a friend. Her friend charged her 5% simple annual interest. How much will Trina owe her friend in total after 3 years? Use the simple interest formula to solve. I = prt I = (460)(0.05)(3) Trina must pay her friend a total of $ .

Answers

Answer:

The interest of 3 years

=(460×5%)×3

Trina will owe her friend

=460+(460×5%) ×3

=460+23×3

=460+69

=$529

Step-by-step explanation:

Answer:The answer is 529

Step-by-step explanation:

Simplify. All Variables represent (3√200)*(4√32)

Answers

$(3 √(200)) \cdot (4 √(32))=(3 √(100\cdot 2)) \cdot (4 √(16\cdot 2))=(3 \cdot √(100 )\cdot √(2)) \cdot (4 \cdot √(16 )\cdot √(2))=\n \n= ( 3 \cdot 10\cdot √(2)) \cdot (4\cdot 4\cdot √(2))= 3 \cdot 10 \cdot 4\cdot 4\cdot √(2) \cdot √(2)=480\cdot √(2\cdot 2)=\n \n=480\cdot √(4)=480\cdot 2=960$

First let's see what we got

$√(200)=√(100*2)=10√(2)$

and

$√(32)=√(2^5)=√(2^4*2)=4√(2)$

then

$(3√(200))*(4√(32))$

replacing

$3*(10√(2))*(4*4√(2))$

$30√(2)*16√(2)$

$480*√(2)*√(2)$

$480*2$

$\boxed{\boxed{960}}$

What is the correct answer?

Answers

Step-by-step explanation:

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password-9999

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Answers

Answer:

There is no question to answer.

Step-by-step explanation:

Answer:

Where is the question ?

The value of √-9 is not -3 because_______.A. 9^2 not congruent to -3
B. (-3)^2 not congruent to -9
C. 3^2 not congruent to -9
D. (-9)^2 not congruent to -3

Answers

B, because -3^2 is not -9. -3*-3 = 9, square roots of negative numbers aren't possible, because no number squared can be equal to them. Instead, they are expressed in terms of "i", which is defined as

i^2 = -1

The value of √-9 is not -3 because B. (-3)^2 not congruent to -9.

This is the answer because, (-3)^2 = 9 NOT -9. Any negative squared is equal to the positive squared. E.g. 2^2=4 & (-2)^2=4. Another tip is that in the number in the square root sign is negative the answer is no solution as it is impossible to square a number and get a negative answer.

Determine the discriminant for the quadratic equation 0 = –2x2 + 3. Based on the discriminant value, how many real number solutions does the equation have?Discriminant = b2 – 4ac