3 years ago

What’s the correct answer for this?

Mathematics

2 answers:

Ilya [14]3 years ago

4 0

Answer:

The answer is B

Step-by-step explanation:

You know this because the congruency statements are the same on both triangles.

makvit [3.9K]3 years ago

4 0

Answer:

Step-by-step explanation:

Both sides are congruent because the respective endpoints of both sides coincide with eachother

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Please help me with this please and thank you

harkovskaia [24]

Answer:

The answer is (3,-1) if you are solving the system of equations.

Step-by-Step Explanation:

You solve the first variable and the substitute the result for the other equation.

Equation Form: x=3 and y=-1

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3 years ago

If |x| + 3 = 9, then x = ?

ivanzaharov [21]

Answer:

x can equal -6 or 6

Step-by-step explanation:

absolute value bars get rid of negative simbols and make it always positive

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3 years ago

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A school has 300 students and 30 teachers. What is the ratio between the number of teachers and the number of students of the sc

Oduvanchick [21]

30 : 300
Simplify
10:100
1:10

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2 years ago

3. Mr. Perrins’s class sold packs of peanut butter cookies for $2.40 each and Mr. Woods’s class sold bottles of milk for $1.25 e

iogann1982 [59]

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I am so sorry. I could only help for (a), model! The questions are not specific enough! SORRY!!!!

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3 years ago

consider the function f(x) = x2 2x – 15. what are the x-intercepts of the function? left-most x-intercept: ( , 0) right-most x-i

eimsori [14]

we have

$f(x)=x^{2} +2x-15$

we know that

The x-intercept is the value of x when the value of the function is equal to zero

in this problem

Find the roots of the function

equate the function to zero

$x^{2} +2x-15=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$x^{2} +2x=15$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} +2x+1=15+1$

$x^{2} +2x+1=16$

Rewrite as perfect squares

$(x+1)^{2}=16$

Square root both sides

$(x+1)=(+/-)\sqrt{16}$

$(x+1)=(+/-)4$

$x=-1(+/-)4$

$x1=-1+4=3$

$x2=-1-4=-5$

$x^{2} +2x-15=(x-3)(x+5)$

therefore

<u>the answer is</u>

the x-intercepts are the points $(3,0)$ and $(-5,0)$

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3 years ago

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