Answer:
Step-by-step explanation:
Let's say the Physics book costs $x
The Chemistry book will cost $x - $6
Two such Chemistry books will cost;
2($x - $6) = $(2x - 12)
Three such Physics books cost $3x
$(2x - 12) + $3x = $123
$5x - $12 = $123
$5x = $111
x = $22
So the Physics book costs; $22
and the Chemistry book costs $22 - 6 = $16
2n=14 n being the “number” divide 2 on both sides and you’re left w n=14/2 or7
Answer:
y= 2x - 19/3
Step-by-step explanation:
6x-3y=19
3y=6x-19
y=2x- 19/3
slope: 2
y-intercept: -19/3
Answer:
Side-side-side postulate
Step-by-step explanation:
In the first statement, we are given that AC = BD ....... (1){It is given}
Now, in the second statement, we are given that AB = DC ...... (2){ Because the parallelogram has equal opposite sides}
Now, again we are given that AD = DA ........... (3) {From the symmetric property}
Now, conditions (1), (2), and (3) are applicable to say that Δ ABD and Δ ACD are congruent.
Since there are three sides involved to say Δ ABD ≅ Δ ACD, so it is by Side-side-side postulate. (Answer)
Given that an empty box weighs 2 and 1/4 pounds.
Weight of the fruit is 16 and 2/3 pounds.
Weight of filled box means total weight of box and the fruit.
So we will add both values.
2 and 1/4 pounds+ 16 and 2/3 pounds
= 2 + 1/4 + 16 + 2/3 pounds
= 2 + 16 + 1/4 + 2/3 pounds
= 18 + 1/4 + 2/3 pounds
Hence final answer is 18 and 11/12 pounds.
