1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lubov Fominskaja [6]
3 years ago
15

Write the following quadratic in vertex form X^2-10x+7

Mathematics
1 answer:
grin007 [14]3 years ago
5 0
Hello,

y=x²-10x+7=x²-2*5x+25-25+7=(x-5)²-18
================================
You might be interested in
A certain car can travel on a highway for 350 miles on 15 gallons of gas and in a city for 280 miles on 18 gallons of gas. If th
user100 [1]

Answer:

The car's average 18 number of miles per gallon

Step-by-step explanation:

The car has different efficiencies depending if its used on highway or city streets.

The efficiency on a highway is:

E_h=\dfrac{350}{15}\;\text{miles/gal}=23.33\;\text{miles/gal}

The efficiency for city driving is:

E_c=\dfrac{280}{18}\;\text{miles/gal}=15.56\;\text{miles/gal}

We now that the car uses twice as many gallons for city driving as for highway driving. This means that, for every gallon consumed, 2/3 are for city driving and 1/3 are for highway driving.

Then, we can calculate how many miles makes the car on average as:

E=\dfrac{1}{3}E_h+\dfrac{2}{3}E_c\\\\\\E=\dfrac{1}{3}\cdot 23.33+\dfrac{2}{3}\cdot15.56=7.78+10.37=18.15\;\text{miles/gal}

3 0
3 years ago
10 girls go to see a chick flick together on a Friday night at their local megaplex. They buy x large popcorns and y large fount
oee [108]

Answer:

69

Step-by-step explanation:

7 0
3 years ago
Help..?<br><br><br><br><br><br><br>................
ad-work [718]
The answer is: 
____________________________________________
[A]: Erin Naismith lives in Springfield, Massachusetts.
8 0
3 years ago
Which sequence are geometric? Check all that apply
Ann [662]

Answer:

<h2>10, 7.5, 5.625, 4.21875, ...</h2><h2>160, 40, 10, 2.5, ...</h2><h2>20, 70, 245, 857.5, ...</h2><h2>5, 5.5, 6.05, 6.655, ...</h2>

Step-by-step explanation:

\text{If}\ a,\ b,\ c,\ d,\ e,\ ...\ \text{is a geometric sequence, then}\ \dfrac{b}{a}=\dfrac{c}{b}=\dfrac{d}{c}=\dfrac{e}{d}=....\\\\\#1\\\\\dfrac{7.5}{10}=0.75\\\dfrac{5.625}{7.5}=0.75\\\dfrac{4.21875}{5.625}=0.75\\\boxed{YES}\\================================\\

\#2\\\\\dfrac{40}{160}=\dfrac{1}{4}\\\dfrac{10}{40}=\dfrac{1}{4}\\\dfrac{2.5}{10}=\dfrac{1}{4}\\\boxed{YES}\\================================\\

\#3\\\\\dfrac{70}{20}=3.5\\\dfrac{245}{70}=3.5\\\dfrac{857.5}{245}=3.5\\\boxed{YES}\\================================\\

\#4\\\\\dfrac{16.5}{13}=\dfrac{165}{130}=\dfrac{33}{26}\\\dfrac{20}{16.5}=\dfrac{200}{165}=\dfrac{40}{33}\neq\dfrac{33}{26}\\\boxed{NO}\\================================\\

\#5\\\\\dfrac{5.5}{5}=1.1\\\dfrac{6.05}{5.5}=1.1\\\dfrac{6.655}{6.05}=1.1\\\boxed{YES}\\================================\\

\#6\\\\\dfrac{17.1}{16}=1.06875\\\dfrac{18.2}{17.1}=1.0643274..\neq1.06875\\\boxed{NO}

5 0
3 years ago
Help leave in simplest radical form
BabaBlast [244]

Answer:

√23 is the answer of the question

4 0
3 years ago
Other questions:
  • -. At 6:00 P.M., the temperature was 55°F. At 11:00 P.M. that same evening, the
    14·1 answer
  • Which set of shapes contains members that are always similar to one another?
    9·2 answers
  • I need answers to all
    7·2 answers
  • Tickets for a concert cost $10 each if you order them online, but you must pay a service charge of $8 per order. The tickets cos
    9·1 answer
  • Find the area of the polygon.
    9·1 answer
  • Expression A: 4x + 5 Expression B: 2 + 4x + 3 Which statement can be used to show that these expressions are equivalent?
    11·1 answer
  • Tina is tossing bean bags at a target. She hit the target on 3 out of her last 15 tries. Considering this data, how many hits wo
    12·2 answers
  • What is the approximate length of hypotenuse with a 35 degree angle and one leg is 12
    13·1 answer
  • 5 ( c+ 2) = -20<br><br> 12a + 5 - 8a = -1<br><br> m - 3 - 6m = -27<br><br> please solve
    15·1 answer
  • Due in a MINUTE!!! Need help!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!