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djyliett [7]
3 years ago
9

I will mark best answer

Mathematics
2 answers:
pickupchik [31]3 years ago
8 0

Answer:

X = 4

Step-by-step explanation:

Mariulka [41]3 years ago
3 0
They should divided by 1 for the last step
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zubka84 [21]

Answer:

2

Step-by-step explanation:

8 0
3 years ago
HELP AGAIN PLSS I WILL MARK YOU BRAINLIEST!​
notsponge [240]

Answer:

132

Total Area = Area of top rectangle+Area of trapezoid w/ bases 7 and 19

= base*height+(average of bases)(height of trapezoid)

= 7*4+8*(7+19)/2

= 28+104

= 132

5 0
3 years ago
ITS TIMED PLEASE HELP​
Lubov Fominskaja [6]

Answer:

The graph of the function f(x)=\frac{1}{2}x^{2}-4x+5 has a minimum located at (4,-3)

Step-by-step explanation:

we know that

The equation of a vertical parabola in vertex form is equal to

f(x)=a(x-h)^{2}+k

where

a is a coefficient

(h,k) is the vertex of the parabola

If a > 0 the parabola open upward and the vertex is a minimum

If a < 0 the parabola open downward and the vertex is a maximum

In this problem

The coefficient a must be positive, because we need to find a minimum

therefore

Check the option C and the option D

Option C

we have

f(x)=\frac{1}{2}x^{2}-4x+5

Convert to vertex form

f(x)-5=\frac{1}{2}x^{2}-4x

Factor the leading coefficient

f(x)-5=\frac{1}{2}(x^{2}-8x)

f(x)-5+8=\frac{1}{2}(x^{2}-8x+16)

f(x)+3=\frac{1}{2}(x^{2}-8x+16)

f(x)+3=\frac{1}{2}(x-4)^{2}

f(x)=\frac{1}{2}(x-4)^{2}-3

The vertex is the point (4,-3) ( is a minimum)

therefore

The graph of the function f(x)=\frac{1}{2}x^{2}-4x+5 has a minimum located at (4,-3)

5 0
3 years ago
Simplify the expression –3(x + 3)2 – 3 + 3x. What is the simplified expression in standard form?
serious [3.7K]

hello :
<span>–3(x + 3)² – 3 + 3x = -3( x² +6x+9) -3 +3x
                               =-3x² -18x -27 -3 +3x
                               = -3x² - 15x -30.. ( </span><span>standard form)</span>
8 0
3 years ago
Read 2 more answers
Why is partitioning a directed line segment into a ratio of 1:3 not the same as finding One-third the length of the directed lin
GrogVix [38]

The reason why partitioning and fractioning are different is because; The ratio given is part to part. The total number of parts in the whole is 1 + 3 = 4.

<h3>Why is partitioning different from fractioning?</h3>

It follows from the task content that a close analysis of the statement of ratios; 1:3 implies that the whole is divided into four parts; 1+3 = 4.

On the contrary, one-third simply means 1 out of 3 equal parts of the line.

Read more on fractions;

brainly.com/question/17220365

#SPJ1

7 0
2 years ago
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