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Nina [5.8K]
3 years ago
12

X^2-14x+49 as a graph

Mathematics
1 answer:
Vaselesa [24]3 years ago
5 0
<span> -x^2 + -14x = 49
-(x^2 +14) = 49
-[(x+7)^2 -49] = 49
</span>
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Will someone help me with this problem?
Nookie1986 [14]
I will help u let me look at it

5 0
3 years ago
A player at a basketball camp set a goal to make 55% if his shots. If he has 120 attempts, how many shots would he need to make
Pavel [41]

Answer: 66

Step-by-step explanation:

From the question, we are informed that a player at a basketball camp set a goal to make 55% if his shots and that he has 120 attempts.

The number of shots that he would he need to make in order to reach his goal will be 55% of 120. This will be:

= 55% × 120

= 55/100 × 120

= 0.55 × 120

= 66

He would need to make 66 shots

3 0
3 years ago
6-7(x+1)= -3(2-x)<br> How do you solve this?
kicyunya [14]
<h3><u>Explanation</u></h3>
  • Given the equation.

6 - 7(x + 1) =  - 3(2 - x)

  • Distribute/Simplify

6 - 7x - 7 =  - 6 + 3x \\  - 1 - 7x =  - 6 + 3x

  • Solve the equation for x-term by making x as the subject.

- 1 + 6 = 7x + 3x \\ 5 = 10x \\  \frac{5}{10}  = x \\  \frac{1}{2}  = x

  • Answer Check by substituting the value of x in the equation.

6 - 7( \frac{1}{2} ) - 7 =  - 6 + 3( \frac{1}{2} ) \\ 6 -  \frac{7}{2}  - 7 =  - 6 +  \frac{3}{2}  \Longrightarrow \sf{You \:  \: can \:  \: change \:  \: sides \:   \: to \:  \: make \:  \: it \:  \: easier} \\ 6 - 7 + 6 =  \frac{7}{2}  +  \frac{3}{2}  \\ 5 =  \frac{10}{2}  \\ 5 = 5 \:  \green{ \checkmark}

The equation is true for x = 1/2.

<h3><u>Answer</u></h3>

<u>\large \boxed{x =  \frac{1}{2} }  \:  \:  \:  \: \green{ \checkmark}</u>

7 0
3 years ago
Triangle ABC is described below. Find all possible values for B, C, and c.
aliya0001 [1]

Answer:

c = 27.9

B = 62.13°

C = 89.90°

Step-by-step explanation:

We are given the following values:

A= 121.59°, a = 27.9 cm, b = 52.6 cm

a) Finding side c

We would use Pythagoras Theorem

c² = a² + b²

c = √(a² + b²)

c = √(27.9² + 52.6²)

c = 59.54cm

≈ Approximately = 59.5cm

b) Finding B

We would be using Cosine rule to find Angle B

Cos B = a² + b² - c²/2ab

B = arc cos ( a² + c² - b²/2ac)

B = arc cos( 27.9² + 59.5² - 52.6²/ 2 × 27.9 × 59.5)

B = 62.13268°

B = 62.13°

c) Finding C

We would be using Cosine rule to find Angle C

Cos C = a² + b² - c²/2ab

C = arc cos ( a² + b² - c²/2ab)

C = arc cos( 27.9² + 52.6² - 59.5²/ 2 × 27.9 × 52.6)

C = 89.9°

4 0
4 years ago
(x+4)(x-8). Express as a trinomial??
Juli2301 [7.4K]

Answer:

x^2-4x-32

Step-by-step explanation:

Hi there!

(x+4)(x-8)

Expand the parentheses

=x(x-8)+4(x-8)\\=x^2-8x+4x-32\\=x^2-4x-32

I hope this helps!

5 0
3 years ago
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