Answer:
A number sentence is a mathematical sentence, made up of numbers and signs.The expressions given in examples indicate equality or inequality.A number sentence can use any of the mathematical operations from addition, subtraction, multiplication to division. Symbols used in any number sentence vary depending upon what they indicate.Number sentences can be true or they may not be true.
For example:
10 + 5 = 15. Here we are using the = sign which indicates a balance of both sides.
However, there could also be number sentences which say:
12 + 6 = 9 is not true, but 12 + 6 = 18 is true.
Therefore, a number sentence does not necessarily have to be true. However, every number sentence gives us information, and based on the information provided; it is possible to change the statement from false to true.
So, a number sentence contains numbers, mathematical operations, equal to or inequality sign and a number after the equality or inequality sign. If we remove any of these components, it will no longer be a number sentence.
Step-by-step explanation:
All four sides of the original square have length s.
Adding 3 to s results in s+3, the length of the resulting rectangle.
Subtracting 3 from s results in s-3, the width of the rectangle.
The area of the rectangle is (s+3)(s-3) = s^2 - 9 = 27,
and therefore s^2 = 36, and s = 6 square units.
Answer:
x = 22
Step-by-step explanation:
The x Is a number that is greater than the 15.
so you add the 7 and the 15 which gives you 22
22-7 equals 15
Hope this helps
Hello :
The equation of the graphed line in point-slope form is : <span>y-0=-3/5(x-3)
because ; when : x=3 y=0 passes by : (3,0)
when : x = -2 y = 3 passes by : (-2, 3)
</span>and its equation in slope-intercept form is : <span>y= -3/5x+9/5
because : </span> y-0=-3/5(x-3) : y = -3/5x +9/5
Answer:
The correct options are a and b.
Step-by-step explanation:
It is given that triangle ABC with segment AD drawn from vertex A and intersecting side BC.
Two triangle are called similar triangle if their corresponding sides are proportional or the corresponding interior angle are same.
To prove ΔABC and ΔDBA are similar, we have to prove that corresponding interior angles of both triangle as same.
If segment AD is an altitude of ΔABC, then angle ADB is a right angle.
The opposite angle of hypotenuse is right angle. If segment CB is a hypotenuse, then angle ABC is a right angle.
In triangle ΔABC and ΔDBA
(Reflexive property)
(Right angles)
By AA rule of similarity ΔABC and ΔDBA are similar.
Therefore correct options are a and b.
