Answer:
A variable is a letter or symbol, such as a, b, or x, that represents a number. An algebraic expression is a combination of one or more variables; it may include numbers and operation signs. For example, 2 d 5 is an algebraic expression that could represent two times the figure number plus five.
Step-by-step explanation:
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>u</em><em>.</em><em>.</em><em>pls</em><em> </em><em>mark</em><em> </em><em>me</em><em> </em><em>the</em><em> </em><em>Brainliest</em><em>.</em><em>p</em><em>l</em><em>s</em><em>.</em><em>.</em><em>.</em>
Answer:
18 gray puppies
Step-by-step explanation:
Think of this as finding equivalent fractions/ratios. 3/5 puppies are gray. what over 30 puppies would be gray? to find 3/5=?/30, you multiply the numerator and denominator by 6. 3 times 6 is 18.
3. Right
5. Isosceles
Isosceles triangles have 2 sides measuring the same length and a right triangle contains a 90 degree angle
2n-7+12n-9
combined like terms 2n+12n and -7-9
your answer is 14n-16
The Pythagorean Theorum formula is a(squared) + b(squared)= c(squared). If you plug in the numbers, the equation is 39(squared) + 80(squared)= c(squared). That simplifies to 1521+6400=c(squared). Adding results in 7921=c(squared). Finally, when you take the square root of both sides, you are left with 89=c (aka the hypotenuse)
