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Vinil7 [7]
3 years ago
6

Which explanation correctly solves this problem?

Mathematics
2 answers:
Molodets [167]3 years ago
8 0
Hello!

The Correct Answer for this Question would be:

"<span>Start with 10.5. Add 3.5 and 10.5. Add 2.25 to the sum. Then add 5 to the answer."

In Other Words, Option "B".

Hope this Helps! Have A Wonderful Day! :)</span>
sashaice [31]3 years ago
8 0
Answer B is correct
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If x2 mx m is a perfect-square trinomial, which equation must be true?.
kodGreya [7K]

Expression consist of numbers, variables, and mathematical operations. The equation that is true is x²+mx+m= (x+2)².

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

As it is given that the x²+mx+m is a perfect square trinomial, and we know that the general equation of perfect square trinomial  is given as,

ax²+bx+c=0

where a,b and c are real numbers, and a≠0,

if we compare the equation with our equation

ax^2+bx+c=0\\x^2+mx+m=0

We will get the value of 'a' as 1, b=c=m, therefore, we need a binomial which is when expanded then in its perfect square trinomial the value of b=c, therefore, the only feasible option here is (x+2)².

Hence, the equation that is true is x²+mx+m= (x+2)².

Learn more about Expression:

brainly.com/question/13947055

7 0
2 years ago
A pharmacist weighed eight different capsules of the same compound and recorded these measurements: 2312 mg, 2313 mg, 2315 mg, 2
Orlov [11]

median = 2317

mean = 2,316.875

8 0
3 years ago
Which of the following does not have triangular faces?
otez555 [7]

Answer:

B. Dodecahedron

Step-by-step explanation:

It has more of a hectagon shape, instead of a triangular one.

4 0
3 years ago
Are either of these linear?
sesenic [268]
The 2nd one is linear
7 0
3 years ago
3. E, F and G are collinear points. E is between F and G.
nikdorinn [45]

Answer:

<h2>A. 4 in</h2>

Step-by-step explanation:

Collinear points are points that lies on the same straight line. If the points E, F and G are collinear points, then the three points lies on the same straight line.

If E is between F and G, the FE+EG = FG

EG = FG - FE

Given FE = 3 in and FG = 7 in

On substituting into the expression above to get EG;

EG = 7in - 3in

EG = 4in

Hence the length of EG is 4in

5 0
3 years ago
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