Mathematics High School

Find the H.C.F of a²+7a+10,a²+6a+8anda²+9a+20​

Answers

Answer 1

Answer:

a²+7a+10=0

(a+2)(a+5)=0

∴a+2=0

a= -2

a+5=0

a= -5

a²+6a+8=0

(a+2)(a+4)=0

∴a+2=0

a= -2

a+4=0

a= -4

a²+9a+20

(a+4)(a+5)

∴a+4=0

a= -4

a+5=0

a= -5

Step-by-step explanation:

Solution on the Math book

Related Questions

Which is equivalent to 12/(323)

Answers

Answer:

38,76

Step-by-step explanation:

Sketch a graph of the function f(x) = - (x+2) (x-4) (x-6) by finding the zeroes and determining
the sign of the values of the function between zeroes.

Answers

Uuuuuuuuhhhhhhhhhhhhhhhhhhh

how many solution 7(y+3)=5y+8

Answers

Answer:

there is only one it is y=-6.5

Step-by-step explanation:

Find the distance between the two points in simplest radical form.
(3,9)and (0,2)

Answers

Answer:

7.62

Step-by-step explanation:

use distance formula

The ratio of books
to magazines in the
children's section at the
library is 5-2. If there
are 225 books, calculate
the number of
magazines.

Answers

50 magazines

because ratio is division and 225/5 is 25 and you multiply the 2 by 25 and you get 50

There are 64 magazines in the library.

What is mean by Ratio?

A ratio indicates how many times one number contain in another number. The ratio of two number is written as x : y, which is equivalent to x/y. Where, x and y are individual amount of two quantities. And, Total quantity gives after combine as x + y.

We have to given that;

The ratio of books to magazines in the children's section at the library is 5: 2.

Let number of books = 5x

And, Number of magazines = 2x

Here, There are 225 books in the library.

Hence, We can formulate;

⇒ 5x + 2x = 225

⇒ 7x = 225

⇒ x = 32

Hence, Number of magazines = 2x

                                               = 2 × 32

                                               = 64

Learn more about the ratio visit:

https://brainly.com/question/12024093

#SPJ2

help me 4 + 2p = 10 ( 3/5p - 2)​

Answers

P= 6

4+2p = 10(3/5p - 2)
4+2p = 6p - 20
4 = 4p - 20
24 = 4p
6 = p

Question 1 (4 points)
Simplify.
9 to the power of 2 and 9 to the power of 7


Answers

(9)2 and (9)7

If base is same then powers can be added

(9)2+7

(9)9


=387,420,489

plz ive been stuck on this for an hour plzzz help?​

Answers

Answer:

X=-2

Step-by-step explanation:

!:'=/,)_"86"&8_)&485)&($8

The right answer is x > (-2). x it greater than or equal to (-2)
-

is a letter or symbol that represents the unknown value (term)​

Answers

Variable

Step-by-step explanation:

What ray is between OC and OA?

Answers

Answer:

ob

Step-by-step explanation:

Answer:

OB

Step-by-step explanation:

you can see the ray that is in between OC and OA is OB

i need answer the right one cuz idk it

Answers

Answer:-6x^2-20x

Step-by-step explanation: multiply -2 by all factors

What is required of a proportional relationship that is not required of a general line relationship?

Answers

Answer:

Step-by-step explanation:

Pertains to y-intercept is then 0.

It introduces the relationship between two variables and is called correlation. Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together. On the contrary, indirect variation or proportion indicates negative relationship or correlation. Elaborately, the opposite of what happens to direct variation. One increases with the other variables, you got it, decreases. This correlations are important to consider because you can determine and identify how two variables relates with one another. Notice x = y (direct), y=1/x (indirect)

Tell whether the value is a solution of the inequality.
yes
no

Answers

Answer:

Yes I believe so, not 100% sure.

Step-by-step explanation:

no because 4/2 is 2, and 2 is less than 3

albert bought a jacket for ​$​34.35, a pillow for ​$​11.75, and a glove for ​$16.25. albert paid ​$60 and the rest he borrowed from a friend. If albert got ​$7.65 in change from the​ cashier, how much did albert borrow from his friend to pay for all the​ items?

Answers

Answer:

$10

Step-by-step explanation:

add all prices subtract $60 then add 7.65

HELP ME WITH THIS IT IS REALLY HARD

Answers

Answer:

-3. 1/8  

Step-by-step explanation: it’s negative three and 1/8

45 POINTS does anyone have 3.00 Algebra Basics Notebook filled out for k-12 ohva 9th grade Levenson, Dorothy class If so could you attach the word doc

Answers

Answer:

I do not but i can help you with algebra

It is my strongest math type

Step-by-step explanation:

Answer:

zoo wee mama

Step-by-step explanation:

A square has four right angles and four equal sides, so lt Is a regular polygon.
OTrue OFalse​

Answers

it would be true for it

Answer: True

Step-by-step explanation:

because a polygon has equal sides and are easy to measure.

How many gallons of 25% alcohol solution and 40% alcohol solution must be mixed to get 6 gallons of 30%
alcohol solution?

Answers

Answer:

amt of 25% solution to mix=6 gal

amt of 40% solution to mix=3 gal

Step-by-step explanation:

let x=amt of 25% solution to mix

9-x=amt of 40% solution to mix

25%x+40%(9-x)=30%*9

.25x+3.6-.40x=2.7

.15x=0.90

x=6

9-x=3

3/8 + (-7/8) As a fraction.

Answers

Answer:

7/8 x 3/8 = 21/64 in fraction form. 7/8 x 3/8 = 0.3281 in decimal form.

Step-by-step explanation:

there you go have a good day

Just add across. (3+-7)/8 = -4/8, or -1/2

If x+y=w+z , then prove that AOB is a line.​

Answers

Answer:

it was a incomplete question

Last one...maybe but please help tell what to put in the boxes and how to do the these model problems pls. PLS HELP ASAP!

Answers

Answer:

you put 12x in the first box and 6 in the second box\

I am unsure if you need the + sign

Step-by-step explanation:

Answer:

12x + 6

Step-by-step explanation:

You got it right

2 multiplied by 6x = 12x

3 multiplied by 2 = 6

So the answer is 12x + 6

Was this your question?

3.9-21 helpp please kikiki

Answers

Answer:

3.9-21=-17.1

Step-by-step explanation:

3.9-21

3.9+-21

=-17.1

-17.1 . Just do 21-3.9 then put a negative in front of it

domain and range of the function

Answers

The answer you are looking for is B.

please help me with these questions
will give the brainliest
Urgent
plz answer correctly
help!!!!!!!!!!
need explanation​

Answers

Answer:
9: 1/36 chance of getting the same number on both dice
10: a) 5 b) 4/25

Explanation:
9: a die has 6 sides with each number. So the chance of getting a number on a dice once is 1/6. The second dice is the same with 1/6 chance. But to have them both be the same number means you have to multiply the probability. (1/6)/(1/6)=1/36

10:
a) 1/4 of the discs are blue, meaning you have multiply 1/4 by 20 which equals 5
b) the probability of getting a red is 12/20. So the probability of not getting red is 8/20. But both simultaneously, would mean for multiplying them. 8/20 •8/20=64/400 Then simplified to 4/50.

*im not super sure about 10 b. Sorry :/

Find the missing measure x° 65°

Answers

The answer is 25 degrees

Please help . Thank you :)

Answers

Answer:

A.) 53°

Step-by-step explanation:

SPR + RPQ =90°

37° + RPQ = 90°

37° - 37° + RPQ = 90° - 37°

RPQ = 53°

Answer is 53°
Explanation:none

what is the awnser to r(−2)= ?

Answers

Answer:

r=2 i think

Step-by-step explanation:

Answer:

Hi there!

If there was supposed to be an attached problem to fill -2 into, PLEASE ATTACH IT!

If not, x= -2 in r(-2)

In which of the number lines does the plotted point represent a number greater than - 1 1/2? Check all that apply.

Answers

D and E is larger than -1 1/2

helpp ! look at the pic help me asap

Answers

y12 i guess idrk sorryyyy maybe look on google BRAINLY LET ME POST

pls help me out on this!

Answers

Answer:

[tex]=-1\frac{5}{9}[/tex]

Step-by-step explanation:

We want to write:

[tex]-1.\bar{5}[/tex]

As a mixed number in the simplest form.

We can use the following algebraic trick. First, we can ignore the negative and add it on the very end. So, we have the number:

[tex]1.55555...[/tex]

Let's let this equal to n. So:

[tex]1.55555...=n[/tex]

Now, we will multiply n by 10^x for the number of repeating digits x.

There is only one digit repeating (the 5). So, we will multiply both sides by 10^1 or just 10. This yields:

[tex]15.55555...=10n[/tex]

Now, we will subtract n from both sides. This yields:

[tex]15.5555...-n=10n-n[/tex]

On the right, we will just get 9n.

However, let's replace n with 1.5555... on the left. This yields:

[tex]15.5555...-1.5555...=9n[/tex]

All of the repeatings 5s will cancel. 15-1 is 14. So:

[tex]14=9n[/tex]

Now, divide both sides by 9. So, our n is:

[tex]n=\frac{14}{9}[/tex]

And since we originally set n to be 1.5 repeating, this is equivalent to:

[tex]n=1.\bar{5}=\frac{14}{9}[/tex]

And now, we can add back the negative:

[tex]-1.\bar{5}=-\frac{14}{9}[/tex]

We can rewrite this as:

[tex]=-(\frac{9}{9}+\frac{5}{9})[/tex]

So, as a mixed fraction, our decimal is:

[tex]=-1\frac{5}{9}[/tex]

And we're done!

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