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
Zigmanuir [339]
3 years ago
10

Solve the equation. ​

Mathematics
1 answer:
Verdich [7]3 years ago
6 0
Multiple all by 7
2x +6=-2
2x = -2-6
2x = -8 /2
x = -4
You might be interested in
Help please...........
AlladinOne [14]
The answer is B because the yintercept is -2
8 0
3 years ago
Jj sell tablets at a store. He earns $180 a week plus$15 for ever tablet he sells. Jj earns $315 last week. Write a equation tha
NeTakaya
So Jj earns a flat rate of 180 per week and an extra 15 per tablet he has sold
so what we need to do is subtract his flat rate(180) from his total(315)
 315
-180
____
135 So now we know how much money Jj has earned from selling tablets. But we still need to create an equation and find out how many he has sold.
So we know he get $15 per tablet so 135÷15=9
now we know he has sold 9 tablets
Bu what is our Equation?
well, what were the steps?
TP = total pay
FR= Flat rate
C= Computer profit
PPC= price per computer
#C = number of computers

#C = TP-FR=C C÷PPC=#C
can we simplify this further?
#C = C÷PPC
lets do this:
#C= x
C= y
PPC= z 
So:              (X = Y÷Z)






8 0
3 years ago
Read 2 more answers
Given: ΔPSQ, PS = SQ
horrorfan [7]
<h2>Answer:</h2>

To solve this problem we will use Heron's formula:

A=\sqrt{s(s-a)(s-b)(s-c)}

Where a, \ b \ and \ c are the side lengths of the triangle and s is the semiperimeter (half the perimeter of the triangle). We know that:

Perimeter \ P=\triangle PSQ=PS+PQ+SQ: \\ \\ \triangle PSQ=P=50 \\ \\ Semiperimeter \ s: \\ \\ s=\frac{P}{2}=25

Also:

(I) \ PS=SQ \\ \\ (II) \ SQ-PQ = 1 \\ \\ (III) \ PS+PQ+SQ=50 \\ \\ \\ (I) \ into \ (III): \\ \\ SQ+PQ+SQ=50 \\ \\ \therefore (IV) \ 2SQ+PQ=50 \\ \\ From \ (II): \\ \\ PQ=SQ-1 \\ \\ (II) \ into \ (IV): \\ \\ 2SQ+(SQ-1)=50 \\ 3SQ-1=50 \\ 3SQ=51 \\ \\ \boxed{SQ=17} \\ \\ \boxed{PS=17} \\ \\ PQ=SQ-1=17-1 \therefore \boxed{PQ=16}

Finally:

A=\sqrt{s(s-a)(s-b)(s-c)} \\ \\ A=\sqrt{s(s-PS)(s-SQ)(s-PQ)} \\ \\ A=\sqrt{s(s-17)(s-17)(s-16)} \\ \\ A=\sqrt{25(25-17)(25-17)(25-16)} \\ \\ \boxed{A=120}

7 0
3 years ago
Can a triangle be formed with three sides of equal lengths? Explain.
just olya [345]
No, because <span>the Triangle Inequality Theorem states that the sum of any two sides of a triangle must be greater than the measure of the third side.</span> In other words, as soon as you know that the sum of 2 sides is less than (or equal to ) the measure of a third side, then you know that the sides do not make up a triangle.
6 0
3 years ago
What is the solution for -2x=3y+9 y=2x+7
VLD [36.1K]

Answer:

The slope is

1. -2/3

2. 2/1

Step-by-step explanation:

m a th wa y

5 0
3 years ago
Read 2 more answers
Other questions:
  • 5. In the figure, BE||CD. Solve for x. Show your work.
    7·1 answer
  • 20 students on the field love the museum. If there are 40 students on the field trip , what percent love the museum
    10·1 answer
  • If x represents a number, write an expression that represents a number 10 greater than x
    12·1 answer
  • 2x(x+4)+7+=(x+8)+ 2x(x+1)+12=
    11·1 answer
  • Please help me!!!!!!!!
    11·1 answer
  • Pls help my computers about to die lol ​
    14·2 answers
  • A rectangular picture frame has side lengths of 12 in by 9.5 in what is the length of the diagonal of the picture
    10·1 answer
  • Please help I have been on this for hours :)
    10·1 answer
  • Emma says the length of her favorite movie is 120120120 minutes, but she has rounded the time to the nearest ten.
    12·1 answer
  • An educational psychologist wants to check claims that regular physical exercise improves academic achievement. To control for a
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!