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
kaheart [24]
3 years ago
5

If y=1/2x+5 then what is 2y+5x=-2

Mathematics
1 answer:
salantis [7]3 years ago
5 0
(-2,4) 

2(1/2x+5)+5x=-2
x=-2

plug it back into and equation 

y=1/2*-2+5
y=4

You might be interested in
Find the length of the curve. R(t) = 7t, 3 cos(t), 3 sin(t) , −2 ≤ t ≤ 2
Leviafan [203]

we are given

r(t)=(7t,3cos(t),3sin(t))

we can find x , y and z

x=7t,y=3cos(t),z=3sin(t))

now, we can use arc length formula

L=\int\limits^a_b {\sqrt{(x')^2+(y')^2+(z')^2} } \, dt

now, we can find derivative

x'=7,y'=-3sin(t),z'=3cos(t))

now, we can plug values

and we get

L=\int _{-2}^2\sqrt{7^2+\left(-3\sin \left(t\right)\right)^2+\left(3\cos \left(t\right)\right)^2}dt

L=\int _{-2}^2\sqrt{7^2+9}dt

=\sqrt{58}\cdot \:2-\left(-2\sqrt{58}\right)

L=4\sqrt{58}...........Answer


8 0
4 years ago
Simplify the expression 2 (2 + 4y) + 3x.<br> PLS ANSWER ASAP DUE 9:20
Novay_Z [31]

Answer:

5x+8y

Step-by-step explanation:

We can first open the brackets by using the distrubitive propety.

2(x+4y)+3x

2x+8y+3x

Now we can combine like terms.

5x+8y.

I combined the 3x and the 2x. This works because imagined I have 3 of something then I got 2 more of that something I would now have 5 of that something.

Hoped this helped,

JoeLouis2

7 0
3 years ago
Please help! Brainliest to correct!
jekas [21]

Answer:

1.83 hours

Step-by-step explanation:

Time is inversely proportional to speed

Implies that T = k/R, where k is the constant of proportionality

Thus, the product T × R is a constant for any given valued of R,T.

Hence, 3 × 14 = t × 23

t = (3×14) ÷ 23

t = 1.83 hours

8 0
3 years ago
A town tracks the increases and decreases in its population. The population has decreases by 300 residents over the past 5 years
Ksivusya [100]

Answer:

I think the answer would be -60 (as in 60 people left each year)

Step-by-step explanation:

If the population decreased by 300 over 5 years, and the same number of residents left each year, then you would divide 300 by 5, and that gives you 60.

3 0
4 years ago
5) dilation of 2 about the origin
Misha Larkins [42]

Answer:

the answer is c I did it before but I can't explain step by step I hope it helps u

5 0
3 years ago
Other questions:
  • A tank contains 1600 L of pure water. Solution that contains 0.04 kg of sugar per liter enters the tank at the rate 2 L/min, and
    13·1 answer
  • A customer needs 60 pencils.if he buys them on sale.How many of the 60 pencils can he get for free?
    12·2 answers
  • Does (3,7) make the inequality 2x+2y&lt;20 true
    7·1 answer
  • There are 50 questions to answer in a trivia contest. Each player starts with 100 points. He or she earns 10 points for each cor
    9·2 answers
  • PLEASE HELP IF MORE THAN ONE PERSON ANSWERS ILL GIVE BRAINLIEST!!!
    15·1 answer
  • A laptop producing company also produces laptop batteries, and claims that the batteries
    7·1 answer
  • Brian read 2/15 of his novel in 20 minutes.
    7·1 answer
  • Solve the following quadratic equation for all values of x in simplest form.<br> 20+ 2x= 28
    11·1 answer
  • On the 40th birthday, Mr. Ramos decided to buy a pension plan for himself. This plan will allow him to claim
    7·1 answer
  • What is the equation of a line that is parallel to the line
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!