Answer:
7a-28
Step-by-step explanation:
To expand this simply multiply both pieces of the inside by 7.
7a - 28
Answer:
30
Step-by-step explanation:
\text{Legs: 18, 24}\hspace{20px}\text{Hypotenuse: ?}
Legs: 18, 24Hypotenuse: ?
a^{2}+b^{2}=
a
2
+b
2
=
\,\,c^{2}
c
2
The Pythagorean Theorem
18^{2}+24^{2}=
18
2
+24
2
=
\,\,c^{2}
c
2
Plug in. c is the hypotenuse.
324+576=
324+576=
\,\,c^{2}
c
2
Square the numbers.
900=
900=
\,\,c^{2}
c
2
Add.
\sqrt{900}=
900
=
\,\,\sqrt{c^{2}}
c
2
Square root both sides.
30=
30=
\,\,c
c
The hypotenuse.
Answer:
The answer is A. 1 - 15
Step-by-step explanation:
An expression is a mathematical phrase that contains terms and operations but no equal sign.
Answer:
5/648 xy2z
Step-by-step explanation:
Answer:
12,354 leaves
Step-by-step explanation:
Leaves fallen from a maple tree = 
= 
At the end of 7 weeks
= 384 + 384(1.5) + 384(1.5)² + 384(1.5)³ + 384(1.5)⁴ + 384(1.5)⁵ + 384(1.5)⁶
= 12,354 leaves
12,354 leaves fell from the tree.
