Answer:
130x+150y=1,920
Step-by-step explanation:
Why that is the equation is he learned 130 words per month in Portugal and 150 words per month in Brazil. Added together it is 1,920.
So the equation is 130x+150y=1,920.
Answer:
The number 10/2 = 5 is an integer.
Step-by-step explanation:
An integer is a whole number which cannot be expressed in fractions. For example, 1, 2, 3...
Integer can be positive, negative of zero.

It is a whole number so it is an integer.
- 0.3
It is not an integer as it has a fractional part.

It also has a fractional part, so it is not an integer.
0.4
It also has a fractional part, so it is not an integer.
Answer:
ΔABC≅ΔDEF by AAS (Angle-Angle-Side) Theorem
Step-by-step explanation:
We observe that
,
for the included angle, and
for our side. Thus, the AAS Theorem proves that the triangles are congruent to each other
Answer:
C
Step-by-step explanation:
You know that if its < or >, the line is - - - -, not a fully dark line.
So it would be either A or C
Plot in some numbers for x
Less than would be to the left.
So it wouldn't be A, leaving us with C
Answer:
$20
Step-by-step explanation:
If you buy 4 pounds of chicken, you multiply 5.75 times 4. That gives you $23. You have a coupon for $3 off the final amount. $23-$3 = $20.