Answer:
C. 2x - 7 = -11
Step-by-step explanation:
When you plug in the value of x into each equation, you will find that option C is correct. 2 times -2 is -4, and -4 minus 7 is -11, which is true.
Hope this helped! :)
Answer:
A.
Step-by-step explanation:
Central angle of shaded part
Radius (r) = x unit
Area of the shaded part of
Answer:
11
Step-by-step explanation:
Given
x² - 7x + 10 = 28 ( subtract 28 from both sides )
x² - 7x - 18 = 0 ← in standard form
(x - 9)(x + 2) = 0 ← in factored form
Equate each factor to zero and solve for x
x - 9 = 0 ⇒ x = 9
x + 2 = 0 ⇒ x = - 2
The distance between the solutions is
| 9 - (- 2) | = | 11 = 11 units
Answer:
4 hours
Step-by-step explanation:
21 · y = 3 · 28
21y = 84
21y ÷ 21 = 84 ÷ 21
y = 4
The answer is
This is because a negative exponent creates a fraction (not a negative number) so 6^-1 becomes 1/6, but the answer is negative because the negative sign is outside the brackets. <span />