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
ziro4ka [17]
3 years ago
10

20 POINTS!!! NEED ALL 4 ANSWERED!!!

Mathematics
1 answer:
TEA [102]3 years ago
3 0

Answer:

1. x = 10  2. x = 7  3. x = 1  4. x = 6

Explanation:

1. -2x + 81 = 61 (Subtract 81 from 61)

  -2x = -20 (Divide)

   x = 10

2. 9x - 58 = 5 (Add 58 to 5)

   9x  = 63 (Divide)

   x = 7

3. 21 +10x = 3x + 28 (Rearrange expression)

   21 - 28 = 3x - 10x (Combine like terms)

   -7 = -7x (Divide)

    x = 1

4. 9x - 42 = 2x (Rearrange)

   9x - 2x = 42 (Combine like terms)

   7x = 42 (Divide)

   x = 6

You might be interested in
Solve for x,y, and z.
Ann [662]

The given triangle is isosceles, so the two remaining angles in the triangle both have measure <em>xº</em>. The interior angles of any triangle sum to 180º, so that

58º + <em>xº</em> + <em>xº</em> = 180º

58 + 2<em>x</em> = 180

2<em>x</em> = 122

<em>x</em> = 61

Angles <em>y</em> and <em>z</em> are supplementary to angle <em>x</em>, so that

<em>xº</em> + <em>yº</em> = 180º

and

<em>xº</em> + <em>zº</em> = 180º

and consequently, <em>y</em> = <em>z</em>. In particular, we get

<em>y</em> = 180 - 61

<em>y</em> = 119

and so

<em>z</em> = 119

6 0
3 years ago
Chapter 4: Explain how you can
xxTIMURxx [149]

x-intercept(s):  

( 7 , 0 )   , (-1,0)

y-intercept(s):  

(0,-7)

Step-by-step explanation:

3 0
2 years ago
A store ships books by weight. A small box can hold 4−6 pounds. A medium box can hold 5−7 pounds. A large box can hold 8−9 pound
Bond [772]

Answer:

well try to drag each book in each books that's what its asking so what's the specific question that you have

6 0
3 years ago
Read 2 more answers
Classify Angle 5 &amp; Angle 6 by choosing the correct term from the choices below.
vampirchik [111]

\qquad \qquad\huge \underline{\boxed{\sf Answer}}

In the given figure, the angles 5 and 6 form Vertical opposite angle pair.

so, correct choice is Vertical

6 0
2 years ago
Which statement represents a true conclusion, based on the Venn diagram? All real numbers are even numbers. All numbers that are
algol13

Answer:

Some number that are multiples of three are also even numbers

Step-by-step explanation:

In the picture

7 0
3 years ago
Read 2 more answers
Other questions:
  • Three things in the kitchen that you can measure the height of with inches
    9·1 answer
  • 3×6×8.........................
    9·2 answers
  • WHAT IS 7+2 "I NEED HELP"
    11·2 answers
  • Need help with this
    5·2 answers
  • I am once in year, twice aweek. who<br>go am I?
    12·2 answers
  • Find the value of x and y?<br> A) x=15 y=12<br> B) x=14 y=11<br> C) x=14 y=12<br> D) x=15 y=11
    8·1 answer
  • What is the slope of the line that contains points (3,-9) and (-2,16) please help !!
    13·1 answer
  • If 80% of a number is 20, what is 20% of the number?
    13·1 answer
  • At the mall you spent a total of $170.86. You bought 2 pairs pf jeans for $39.95 each, a jacket for
    10·2 answers
  • Which equation correctly represents the line graphed below?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!