Answer:
Eva's age is 44 years
Step-by-step explanation:
Let
x ----> Brita's age
y ----> Eva's age
we know that
The sum or their ages 118
so
----> equation A
The difference in age between Brita and her daughter Eva is 30 years
so
----> equation B
Solve the system by elimination
Adds equation A and equation B
<em>Find the value of y</em>
substitute the value of x in any equation
therefore
Eva's age is 44 years
Answer:
12 packages 2 books 5 crayons and 7 markers
Step-by-step explanation:
Answer:
b. Subtraction with Whole Numbers
Step-by-step explanation:
I hope this helps you
x^2-5x-36=0
x -9
x +4
(x-9)(x+4)=0
x-9=0
x=9
Answer:
Step-by-step explanation:f
(
x
)
=
2
x
g
(
x
)
=
x
+
5
Set up the composite result function.
f
(
g
(
x
)
)
Evaluate
f
(
g
(
x
)
)
by substituting in the value of
g
into
f
.
f
(
x
+
5
)
=
2
(
x
+
5
)
Apply the distributive property.
f
(
x
+
5
)
=
2
x
+
2
⋅
5
Multiply
2
by
5
.
f
(
x
+
5
)
=
2
x
+
10
