Rewrite the equation by completing the square.
f(x)=x^2+x-30
f(x)=_(x+_)^2+_
pls helppppp

Answers

Answer 1

Answer:

f(x)= (x-5)(x+6)

Step-by-step explanation:

First, we find the factors of -30 that add up to +1

We can use 6 and -5

6+(-5)=1

f(x)= x^2+6x - 5x-30

then, we do group factorization

f(x)= x(x+6)- 5(x+6)

f(x)= (x-5)(x+6)

i hope this helps <3


Related Questions

Jeremy bought a $60 pair of sneakers on sale for 15% off. Then, he used a coupon that gave him an additional 10% off. Can Jeremy find the cost of the sneakers by adding the percents? Justify your answer:

-by finding 25% off of $60, and

-by finding 15% off of $60, and then subtracting 10% from that cost.


Use the drop-down menus to complete your explanation.

---------------------------------------------------------------------------------------

Jeremy cannot/ can find the cost by adding the percents.

.

25% off of $60 is equal to $45.00/35.00/25.00/45.90

.

15% off of $60, then subtracting 10% from that cost is equal to 35.00/25.00/38.25/45.90...

.

The two total costs are equal/not equal



can someone help me solve this question pls?

Answers

Answer:

No, Jeremy can not find the cost of the sneakers by adding the percents, you have to math one sale discount at a time.

The answer is $45.90.

Step-by-step explanation:

You have to multiply $60 by 15%, getting $9. Subtract 9 from 60 and get the first discount price: $51. Then you will multiply 51 by `10% and get 5.1, subtract 5.1 from 51 and get your final sale price of $45.90. If you added the percents together you would get an incorrect value of $45. Close but not the correct answer.

WILL GIVE BRAINLIEST!!!!!

Answers

Answer:

2nd one i did that before :)

Step-by-step explanation:

determine the volume of the rectangular prism that is 7.3 centimeters by 8.5 centimeters by 4.2 centimeters​

Answers

Answer:

hi again

Step-by-step explanation:

V=7.3×8.5×4.2=260.61 cm

hope it helps

have a nice day

Is it a tangent? Yes or no and why??

Help ASAP

Answers

Answer:

yes because radius makes 90 degree with it. using Pythagoras theorem, it is seen that 5^2 = 3^2 + 4^2

PLS ANSWER THE QUESTION

Answers

Answer:

There are 3,750 sweets in the carton

Step-by-step explanation:

Here, we want to get the total number of sweets

From the question, we have that individual box have 50 sweets

So the number of sweets in the carton have 75 boxes will be the product of the number of sweets and the number of boxes

Mathematically, we have this as;

50 * 75 = 3,750 sweets

Rosa earned a total of $34 by selling 17 cups of lemonade. How many cups of lemonade does Rosa need to sell in all to earn $46? Assume the relationship is directly proportional.

Answers

Answer:

23

Step-by-step explanation:

Because 2 dollar each cup. so 2 times 23 is $46. 5 star if this help thanks:)

The diagram shows a right-angled triangle.
hcm
19°
13 cm
What is the value of h?
Give your answer correct to 1 decimal place.

Answers

Answer:

[tex] \cos(19 \degree) = \frac{13}{h} \\ h = \frac{13}{ \cos(19 \degree) } \\ h = 13.7 \: cm[/tex]

Let’s say you want to play a new card game called Pokee. Every player is dealt 4 cards and everyone compares what hands they have to see who wins. Our job is to figure out what the hierarchy of the hands should be. Below is a list of several scoring hands that we wish to compare. For each hand, count how many hands of that type there are (include the expression you used to get that value) along with a simple explanation of how you got that expression. Assume a standard 52 card deck with 4 suits.
a) Presidential Flush (J, Q, K, Ace, all the same suit)
b) Straightish (4 consecutive cards)
c)Flushed (4 cards of the same suit)
d) House (Two pairs of different cards)

Answers

d) House ( Two paris of differnt cards)

Here is the graph of an exponential function corresponding to a geometric
sequence,

WILL GIVE BRAINLIEST

Answers

Answer:

c

Step-by-step explanation:

i took the test

WILL GIVE BRAINLIEST!!

Answers

Answer:

hi

Step-by-step explanation:

i think so,it is 19

have a nice day

Answer:

19 is the correct answer

hope it is helpful to you

At the zoo, the length of each iguana is
measured, which statement is best supported by
the information below. I’ll give brainliest to whoever gets it right

Answers

you Look bEauTiful Today and EveRyday, and i think that's really Cool.

Decode this simple "riddle", to get the answer.

Answer:

The other persons answer is saying LETTER  C

Step-by-step explanation:

Owa Owa!

Carla has to pack 600 oranges into 24 crates. If each crate holds the same number of oranges, how many oranges are in each crate?

Answers

Answer:

25

Step-by-step explanation:

600/24=25 per crate

Answer:

Step-by-step explanation:

5

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\f0\fs32 \cf2 \expnd0\expndtw0\kerning0
\outl0\strokewidth0 \strokec2 }

Answers

Answer:

What are we meant to do?

A circle with a radius of 4 inches has a diameter that is 3x+5 inches long. What is the value of x?

Answers

Answer:

x=1

Step-by-step explanation:

The radius of a circle is half of the diameter.

Because we know this, we can multiply the radius by 2 to equal the diameter:

4*2=3x+5

Then we solve for x:

8=3x+5

3=3x

x=1

who can help me? Pleaseee

Answers

Answer:

x = 6

Step-by-step explanation:

2x + 29 = 9x - 13

29 = 7x - 13

42 = 7x

6 = x

A soda can is made out of aluminum. It is 12
centimeters tall and has a diameter of 7.5
centimeters. How many cubic units of soda
would be needed to fill the can?
(Use 3.14 as PI)

Answers

Answer:

529.875 [tex]cm^3[/tex]

I don't know if they want it rounded or not, but rounded it would be 529.88 or 529.9

Step-by-step explanation:

Find the volume of the can (cylinder):

h = 12 cm

d = 7.5 cm

r = 1/2d = 3.75 cm

[tex]V=\pi r^2h\\\\= (3.14)(3.75)^2(12)\\\\= 529.875[/tex]

One morning it was -9 degrees in Ohio and -7 in Pennsylvania. Compare -9 and -7. Which state is warmer?

Answers

Answer:

pennsylvania because -9 is colder than -7

Step-by-step explanation:

give brainliest if right

Pennsylvania because -7 is closer to 0 than -9

Can someone pleaseeee help and if you’re correct i’ll give brainliest

Answers

The answer is the
The shape has 6 equal Square face
Because each side had 6

That on of the answer the next the shape has 6 vertices

Also the shape is soild

Please answer correctly

Answers

It’s D just trust me on this 1

A local ice cream shop wants to see if they should promote a new swizzleberry swirl or creamsicle flavored drink. In order to determine which one to promote, they took a sample of 80 patrons and asked them to choose which they preferred. The one that is significantly preferred over the other (at a .05 level of significance) will be promoted. It is expected that an equal number of patrons will choose each flavor. Based on the observed frequencies given below, what is the decision for this test

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Heh I think it’s 2.65 Bc I haven’t done this for a while so let’s hope that’s right lol

Select the correct answer. Which expression simplifies to 8x5?

Answers

Answer:

A

Step-by-step explanation:

as 8 square=64 and going to power x10/2=x5

What is the probability of rolling an even number when rolling a 6-sided die?
A)
3
B)
1
2
C)
D)
AP

Answers

Answer:

B.1/2

Step-by-step explanation:

Half of the numbers on a dice are even, so you have a 1 half probability of landing on an even number

Łatwy ułamek
36/7-3/5-4/10

Answers

Answer:

[tex]4 \frac{1}{7} [/tex]

Step-by-step explanation:

[tex] \frac{36}{7} - \frac{ 3}{5} - \frac{4}{10} \\ \\ lcm \: \: is \: \: 70 \\ \\ \frac{360 - 42 - 28}{70} \\ = \frac{290}{70} \\ = \frac{29}{7} \\ = 4 \frac{1}{7} [/tex]

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Can I have the brainliest please?

-10 = 0v
a. no solution
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Answers

Answer:

A. no solution

Step-by-step explanation:

You cannot divide any number by 0.  It is undefined.

That answer is a no solution

Calculate the volume of the composite figure. Round to the nearest tenth, if necessary.

Answers

Answer:

367

Step-by-step explanation:

l x w x h

=

6 x 4 x 15.3 = 367.2 ≈ 367

l = length

w = width

h = height

The coach of a baseball team counts 240 males and n females in the bleachers. She determines that 80% of the male and female spectators are fans of the home team. The coach writes an expression 0.80n + 192 to represent the number of home team fans. Is the coach correct?

Answers

Answer:

no

Step-by-step explanation:

the equation should be .80 times 240 to find how many people are on the home team

Failing plz help
Design a logarithmic function that is in logarithmic form. Then take that function and explain how you would convert it to exponent form.

Answers

logarithmic form and although the equations will look different, the equations ... To discuss what a logarithm is, we need to take a look at an exponential function. ... If b > 1, then the graph created will be exponential growth. ... To learn how to change an equation from exponential form to logarithmic form, let's look at a specific.

Can someone please help me find mDE i will give good rating

Answers

Answer:

548.522077317

Sorry if this is wrong I don't know a lot about circle arcs

2(
5
1

m−
5
2

)+
5
3

Answers

Answer:

uh I need the question...

Step-by-step explanation:

PLZZ HELP ILL GIVE BRAINLIST

Answers

The answer is -19!!!
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