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2 years ago

HELPPPPP PLEASEEE I BEGG YOU

Mathematics

1 answer:

andreyandreev [35.5K]2 years ago

4 0

I hope it helps :) and remember you can use the method i use to move it the dot depending on the number

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Identify the vertex of y = x2 + 4x + 5.

Xelga [282]

ANSWER

The vertex is (-2,1)

EXPLANATION

We want to find the vertex of

$y = {x}^{2} + 4x + 5$

We complete the square to obtain,

$y = {x}^{2} + 4x + {(2})^{2} - {(2})^{2} + 5$

The first three terms forms a perfect square trinomial.

$y = {(x + 2})^{2} - 4 + 5$

The vertex form is

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

This equation is in the form;

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

where (h,k)=(-2,1) is the vertex.

4 0

2 years ago

Read 2 more answers

What is the domain of the square root function graphed below?

lesya [120]

Answer:

$x \geqslant 0$

Option D is the right option.

Explanation:

Observe from the graph that the value of X starts at X=0 and the graph is going to the right infinitely.

So the domain of the function should be:

$x \geqslant 0$

Hope this helps...

Good luck on your assignment..

4 0

3 years ago

1. Ella took a biology test that was 54 questions. She got 5/6 of the questions correct. How many questions did she get wrong on

melisa1 [442]

1. She got 9 questions wrong.

2. I believe the total is $44.80

3 0

2 years ago

I don’t know how to do this please helppp

Kitty [74]

Answer:

Given the 2 values, height and the base, of these 2 triangles, we can assume that they are similar (meaning they share the same angles) as we have no other information to determine the height of the tree.

Therefore, if these triangles are similar, their corresponding sides are proportional. In other words, PZ/RT = QZ/ST or RT/PZ=ST/QZ

Hence, if we find the ratio of this, we can use it to find the side h

QZ/ST=PZ/RT

48/12=PZ/4

PZ/4=48/12

(PZ/4)3=48/12

PZ(3)/12=48/12

48/3=16

16=PZ.

3Step-by-step explanation:

7 0

2 years ago

I need x and GH there is two answer to this!! Please help

g100num [7]

Answer:

15

Step-by-step explanation:

9x - 3 = $\frac{(5x + 1) +19}{2}$

2(9x - 3) = 5x + 1 + 19

18x - 6 = 5x + 20

13x = 26

x = 2

GH = 9(2) - 3 = 15

8 0

2 years ago