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2 years ago

Let’s see who knows this short quiz

Mathematics

1 answer:

Zanzabum2 years ago

5 0

Answer:

1..JANE FISH FIRST.

2..BEN WAS LAST.

3..20 MIN AHEAD OF RITA

4..BEN WAS 25 MIN BEHIND ALL AND 5 MIN BEHIND RITA

5..9.45 IS THE AVERAGE TIME OF 3 STUDENTS

Step-by-step explanation:

<h3>MARK AS BRAINLIAST</h3>

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Find the product of 9x(-3x²y-7xz)

kogti [31]

Answer:

$- 27 {x}^{3} y - 63 {x}^{2} z$

Step-by-step explanation:

$9x( - 3 {x}^{2} y - 7xz)$

$= 9x \times ( - 3 {x}^{2} y) + 9x \times ( - 7xz)$

$= - 27 {x}^{3} y - 63 {x}^{2} z$

4 0

3 years ago

What is the equivalent fraction of 4/8

Svetradugi [14.3K]

Answer:

2/4

Step-by-step explanation:

2/4 × 2= 4/8 hsuddhskshvshiseu

8 0

3 years ago

Read 2 more answers

the building on the poster is 36cm tall. is it possible to figure out how tall the building is on the photograph?if its possible

fiasKO [112]

No because the stupidity of you can not calculate

4 0

3 years ago

X^lg(x)=100^x find x

Wittaler [7]

$x^lg(x)=100^x$

$X^lg(x)=100^x:x$ $|Solve \ for \ x|$

$|Use \ logarithms \ of \ both \ sides \ of \ the \ base \ 10|

$

$lg (x ^ lg (x)) = lg (100x)

$

$lg ^ 2 (x) = 2 + lgx$

$lg 2 ^ x-lg x -2 = 0$

$lg x = 2 x = 100$

$lg x = -1 x = \dfrac{1}{10} = 0.1$

3 0

3 years ago

Which of the following is a solution of x2 − 10x = −36? (6 points)

Softa [21]

Answer:

Step-by-step explanation:

Given

x² - 10x = - 36

Solve using the method of completing the square

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

x² + 2(- 5)x + 25 = - 36 + 25

(x - 5)² = - 11 ( take the square root of both sides )

x - 5 = ± $\sqrt{-11}$ ( add 5 to both sides )

x = 5 ± i $\sqrt{11}$

Thus

x = 5 - i $\sqrt11}$ or x = 5 + i $\sqrt{11}$

6 0

3 years ago