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ok, teacher

1. Point B is the image of point A under a dilation with center O and scale factor 7. If AB = 44, then what is OA?

O---------A----------------------------------------------------------------B

               <--------------------------- 44 ------------------------------->

For a scale factor of 7, we have OB = 7·OA; that is, OB is 7 times longer than OA. The Segment Addition Postulate tells us that OB = OA + AB, so:

OB = 7·OA

OA + AB = 7·OA

Since AB = 44:

OA + 44 = 7·OA

OA = 7.3333

( I found this answer on the web)

The possible values of x are -3 < x < -1.

sum(14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98) = 728 / 13 = 56 - average of all 2-digit multiples of 7.

hint:

What is   $\frac{1}{2}+\frac{1}{4}$

 No one answer over me

S1*S2 = -1 if slope perpendicular. 

We know one of them is 1/4.

The other is -4 (The one we need)

Using point slope form:

y-1 = -4x + 16

y = -4x + 17 is your final answer. (check my work though, I might be wrong)

Key points: perpendicular slopes S1, S2 multiply to be -1. 

                   point slope form: y-y1 = m(x-x1)

We need a picture to help you

                                    4           

0.12121212 • • •   =   ——   

                                   33           so the numerator & denominator added together total 37      

_.

a=1; c=a^2;b=a^3; if(c%18==0 and b%640==0, goto4, goto5);printc, a; a++;if(a<1000, goto1, 0)

The smallest n = 120

Lowering it by multiplying by  2/3  

    they do this three times in six years

$ 54 x  2/3  x 2/3  x 2/3 = $ ..........

Sorry just solved this answer

y = -2/5*x + 3   switch   y and x

x = -2/5 y + 3    solve for y

- 5/2 (x-3) = y

It is a small block, but it would weigh

  19.3 g/cm³     *   4.0  cm³  = .......... g

so that in the resulting equation, the coefficient of  ??  matches the coefficient of  ?? 

Not  answering over Melody....just pointing out the missing info in your Q

   Melody helped you if the  ??   is  'x'

       if the ??   is 'y'    you would multiply the first equation by  3.5   ....

Here is a hint:

Use the elimination method

Multiply the first one by 3

then subtract the second one from the first one.    That will get rid of the x'es

Then you solve for y

etc

You can ask for more help but show evidence that you have done something.

No one else answer over me.  

942! = 2^935 * 3^467 * 5^233 * 7^155 * 11^92 * 13^77 * 17^58 * 19^51 * 23^41 * 29^33 * 31^30 * 37^25 * 41^22 * 43^21 * 47^20 * 53^17 * 59^15 * 61^15 * 67^14 * 71^13 * 73^12 * 79^11 * 83^11 * 89^10 * 97^9 * 101^9 * 103^9 * 107^8 * 109^8 * 113^8 * 127^7 * 131^7 * 137^6 * 139^6 * 149^6 * 151^6 * 157^6 * 163^5 * 167^5 * 173^5 * 179^5 * 181^5 * 191^4 * 193^4 * 197^4 * 199^4 * 211^4 * 223^4 * 227^4 * 229^4 * 233^4 * 239^3 * 241^3 * 251^3 * 257^3 * 263^3 * 269^3 * 271^3 * 277^3 * 281^3 * 283^3 * 293^3 * 307^3 * 311^3 * 313^3 * 317^2 * 331^2 * 337^2 * 347^2 * 349^2 * 353^2 * 359^2 * 367^2 * 373^2 * 379^2 * 383^2 * 389^2 * 397^2 * 401^2 * 409^2 * 419^2 * 421^2 * 431^2 * 433^2 * 439^2 * 443^2 * 449^2 * 457^2 * 461^2 * 463^2 * 467^2 * 479 * 487 * 491 * 499 * 503 * 509 * 521 * 523 * 541 * 547 * 557 * 563 * 569 * 571 * 577 * 587 * 593 * 599 * 601 * 607 * 613 * 617 * 619 * 631 * 641 * 643 * 647 * 653 * 659 * 661 * 673 * 677 * 683 * 691 * 701 * 709 * 719 * 727 * 733 * 739 * 743 * 751 * 757 * 761 * 769 * 773 * 787 * 797 * 809 * 811 * 821 * 823 * 827 * 829 * 839 * 853 * 857 * 859 * 863 * 877 * 881 * 883 * 887 * 907 * 911 * 919 * 929 * 937 * 941

I don't think you want 942! divisible by 60^2 BUT by 60^n !!!!!

The largest n = 233, so that 942! mod 60^233 = 0

He got 3 wrong 

A dog weighs two pounds less than three times the weight of a cat        d = 3c-2

The dog also weighs twenty-two more pounds than the cat     d = c + 22

Equate the two      3c-2 = c+ 22

                               2c = 24

                                  c = 12      Use this to calculate the dog weight by substituting into one of the equations

You should post things as separate questions......they might get missed ow

-6 - -1  = -6 +1 = -5

You can treat them as double trouble.

The distance is  sqrt( r² - 8² )

-6-(-1)= 

please i need help