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valentinak56 [21]

2 years ago

11

What is the area of the trapezoid?

1 answer:

nalin [4]2 years ago

8 0

Answer:

The answer is 36 squared centimeters

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Solve -7x^2+x+9=-6x quadratic formula

myrzilka [38]

Answer:

$-7x^2+x+9=-6x$

$-7x^2+x+9+6x=-6x+6x$

$-7x^2+7x+9=0$

$quadratic\: formula$

$x_{1,\:2}=\frac{-7\pm \sqrt{7^2-4\left(-7\right)\cdot \:9}}{2\left(-7\right)}$

$\sqrt{-7^{2} -4(-7)\times9} =\sqrt{301}$

$x_{1,\:2}=\frac{-7\pm \sqrt{301}}{2\left(-7\right)}$

$\frac{-7+\sqrt{301}}{2\left(-7\right)}$

$=\frac{-7+\sqrt{301}}{-2\cdot \:7}$

$=\frac{-7+\sqrt{301}}{-14}$

$\frac{-7-\sqrt{301}}{2\left(-7\right)}$

$=\frac{-7-\sqrt{301}}{-2\cdot \:7}$

$=\frac{-7-\sqrt{301}}{-14}$

$answer=\frac{7+\sqrt{301}}{14}$

$OAmalOHopeO$

7 0

3 years ago

There are (4^9)^5 ⋅ 4^0 books at the library. What is the total number of books at the library?

Sidana [21]

$(4^9)^5 \cdot 4^0=4^{9*5} \cdot 1=4^{45}$

3 0

3 years ago

A baseball diamond is a square that is 90feet on each side. What is the distance a catcher has to throw the ball from home to se

Crank

Answer:

well, since a real baseball diamond is 90 feet on each side then the distance from homebase to second is 127 feet 3 3/8 inches

hope this helps :D

4 0

3 years ago

Read 2 more answers

For what values of x is x2 + 2x = 24 true?

Sophie [7]

$x^2 + 2x = 24\\x^2+2x+1=25\\(x+1)^2=25\\x+1=5 \vee x+1=-5\\\x=4 \vee x=-6$

8 0

3 years ago

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Find the value of x please

vlada-n [284]

Answer:

hope that help u

Step-by-step explanation:

To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result. Standard Equation. The standard form to find the value of X in multiplication operation is. Divisor × Dividend = Product. Let us take dividend = x, Divisor × x = Product

5 0

3 years ago