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
Cloud [144]
2 years ago
13

Factorise this : 2p²-p-10

Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
8 0

Answer:

Step-by-step explanation:

p(2p-1)-10

You might be interested in
One angle of an isosceles triangle measures 90°. Which other angles could be in that isosceles triangle?
Alika [10]

Hello from MrBillDoesMath!

Answer:

45      (all three: 45, 45, 90)

Discussion:

Let "x" be the base angle in the isosceles triangle. As base angles are equal in an isosceles triangle and a triangle contains 180 degrees:

x + x + 90 = 180           =>

2x  + 90    = 180          =>  subtract 90 from both sides

2x              = 180 -90   =>

2x = 90                         => divide both sides by 2

x = 45


Thank you,

MrB

3 0
2 years ago
Read 2 more answers
For a recent​ year, the following are the numbers of homicides that occurred each month in New York​ City: 38,​ 30, 46,​ 40, 46,
lubasha [3.4K]

Answer:

Each month is equally likely

Step-by-step explanation:

Given that for a recent​ year, the following are the numbers of homicides that occurred each month in New York​ City:

38,​ 30, 46,​ 40, 46,​ 49, 47,​ 50, 50,​ 42, 37, 37.

We have to check whether it is equally likely for each of the 12 months

Set Hypotheses as

H0: All months are equally likely

Ha: atleast two months are not equally likely

(Two tailed chisquare test at 5% significance level)

This is a test for chi square goodness of fit and so assuming H0 to be true

we divide the total equaly among 12 months as expected

              Observed Expected  Chi square

Jan                    38     42.66666667  0.510416667

Feb                    30     42.66666667  3.760416667

Mar                    46     42.66666667  0.260416667

Apr                   40    42.66666667  0.166666667

May                   46    42.66666667  0.260416667

June           49    42.66666667  0.940104167

July                   47    42.66666667  0.440104167

Aug                  50    42.66666667  1.260416667

Sep                  50    42.66666667  1.260416667

Oct                  42    42.66666667  0.010416667

Nov                  37    42.66666667  0.752604167

Dec                  37    42.66666667  0.752604167

Total        512     512                 10.375

df=11

p value = 0.497

Since p >0.05 our alpha we accept H0

Each month is equally likely

5 0
3 years ago
Converting y-2=-3(x-4)
vitfil [10]
Get this equation into y=mx+b form.
y-2=-3(x-4)
y-2=-3x+12
y=-3x+12+2
y=-3x+14
Hope this helps!
And just a note, this is provided in point-slope formula, meaning there is a point on the line, (4,2), based on the initial equation.
5 0
2 years ago
If <img src="https://tex.z-dn.net/?f=%20x%20%3D%20%5Cfrac%7B2y%7D%7Ba%7D%20" id="TexFormula1" title=" x = \frac{2y}{a} " alt=" x
inessss [21]

\bf A) \\\\\\ \cfrac{3\left( \frac{2y}{a} \right)}{y}\implies \cfrac{\frac{6y}{a}}{y}\implies \cfrac{6y}{a}\cdot \cfrac{1}{y}\implies \cfrac{6}{a}\quad \otimes \\\\\\ B) \\\\\\ \cfrac{6\left( \frac{2y}{a} \right)}{y}\implies\cfrac{\frac{12y}{a}}{y}\implies \cfrac{12y}{a}\cdot \cfrac{1}{y}\implies \cfrac{12}{a}\quad \otimes \\\\\\ C) \\\\\\ \cfrac{6y}{\left( \frac{2y}{a} \right)}\implies \cfrac{6y}{1}\cdot \cfrac{a}{2y}\implies 3a\quad \otimes

\bf D) \\\\\\ \cfrac{12\left( \frac{2y}{a} \right)}{y}\implies \cfrac{\frac{24y}{a}}{y}\implies \cfrac{24y}{a}\cdot \cfrac{1}{y}\implies \cfrac{24}{a}\quad \otimes \\\\\\ E) \\\\\\ \cfrac{12y}{\left( \frac{2y}{a} \right)}\implies \cfrac{12y}{1}\cdot \cfrac{a}{2y}\implies 6a\quad \checkmark

4 0
3 years ago
What is the rule? 87, 81, 75, 69, 63
shepuryov [24]
The answer is -6 if u suntract the numbers you can see.
8 0
3 years ago
Read 2 more answers
Other questions:
  • The greatest integer function and absolute value function are both examples of functions that can be defined as...
    15·1 answer
  • Please help aleks sucks will give brainliest PLEASE HELP ME! :(
    10·1 answer
  • PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
    11·1 answer
  • If ​f(x)equals 2xminus5 and ​j(x)equals ​f(x)plus3​, write the equation for​ j(x).
    7·1 answer
  • Ashley has a box of donuts to distribute among her colleagues. there are eight chocolate donuts, twelve glazed donuts, ten jelly
    9·1 answer
  • Find the indicated angle measurement
    13·1 answer
  • Iman and Mark went out for lunch. Part A: Their food and beverages cost $21.75, and there was a 7% meals tax. How much was the b
    7·1 answer
  • Today Christina is carrying her history textbook and her lunch in her backpack. If the history textbook weighs 1/10 of a pound a
    10·2 answers
  • The price of a technology stock has risen to $9.61 today. Yesterday's price was $9.52 . Find the percentage increase. Round your
    11·1 answer
  • Find the area of a circle with diameter, d = 3.3m. give your answer rounded to 1 dp.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!