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3 years ago

Which equation has a graph that is a parabola with a vertex at (5, 3)?

Mathematics

1 answer:

Dominik [7]3 years ago

7 0

Answer:

It is "A" or in other words the one that says (x-5)2+3 because when you graph it you can see it is the only one touching that point!

Step-by-step explanation:

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Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula? Qu

sergejj [24]

Answer:

The answer in the procedure

Step-by-step explanation:

we have

$2=-x+x^{2} -4$

$x^{2}-x-4-2=0$

$x^{2}-x-6=0$

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}-x-6=0$

$a=1\\b=-1\\c=-6$

substitute in the formula

$x=\frac{-(-1)(+/-)\sqrt{(-1)^{2}-4(1)(-6)}} {2(1)}$

$x=\frac{1(+/-)\sqrt{25}} {2}$

$x=\frac{1(+/-)5} {2}$

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

$x=\frac{1(-)5} {2}=-2$

8 0

3 years ago

(25+(2×7)+3×(6-3)+2000

Harrizon [31]

Answer: 2048

Step-by-step explanation:

(25+(2×7)+3×(6-3)+2000

25+14+(3x3)+2000
39+9+2000
48+2000
2048

Parentheses

Exponents

Multiplication and Division (from left to right)

Addition and Subtraction (from left to right)

6 0

2 years ago

Gwen's blog post about camping has 70 comments. 30% of the comments were questions for Gwen about camping gear. How many of the

lyudmila [28]

To figure out how many of the 70 comments were those about questions for Gwen about camping gear, you need to first find the decimal of 30%, which is 0.3. Then the equation should be:

70 x 0.3

Answer: 21

3 0

3 years ago

Read 2 more answers

Solve the inequality 8+8(x+5)≥40

Irina18 [472]

Answer:

X≥-1

Step-by-step explanation:

i solved it out for you

your welcome!

5 0

3 years ago

Read 2 more answers

In June Gemma paid £68 for her electricity.

Volgvan

Answer:
Total amount paid in july: $68 + $3.40 + 71.40
Step-by-step explanation:
given: June= $68 for electricty

5 0

3 years ago