Answer:
-59
Step-by-step explanation:
f(x) = -2x - 7 and g(x) = -4x + 6.
f(g(x)) =
Replace x in the function f(x) with g(x)
= -2(-4x+6) -7
= 8x -12 -7
= 8x - 19
Let x = -5
f(g(-5) = 8(-5) -19
= -40 -19
= -59
Answer:
$131.25
Step-by-step explanation:
Take the $175 price and divide it by 0.25, which is the decimal version of 25%. You should get 43.25 which is 25% of 175. Then subtract 43.25 from 175 to get the final answer of $131.25 for the CD player if Martin buys it on Wednesday.
Answer:
it is equal because in a rectangle there is a property: opposite sides are equal so BD=CA
Step-by-step explanation: PLS MARK BRAINLIEST
Answer:
Step-by-step explanation:
Answer: B
Step-by-step explanation:
The ratio of the areas of similar figures is the square of the scale factor.
- Scale factor = image/preimage = 48/12 = 4.
So, the ratio of the areas is 16, and thus the area of DEF is (16)(90)=1440
