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
maria [59]
3 years ago
14

Simplify this expression : 2(y+z)

Mathematics
2 answers:
kap26 [50]3 years ago
6 0

Answer:2y + 2z

Step-by-step explanation: you need to multiply the number outside of the parenthesis with the one inside like.

dmitriy555 [2]3 years ago
5 0

The answer is 2y+2z

Use distributive property

2*y=2y

2*z=2z

You might be interested in
Find the volume of the solid whose base is the region Ix I Iy I < 1 and whose vertical cross sections perpendicular to the y-
gavmur [86]

Answer:

volume of the solid = \frac{\pi }{3}

Step-by-step explanation:

As given , the region : |x| + |y| \leq 1

when y \geq 0 ,

|x| + y = 1

⇒|x| = 1 - y

when y ≤ 0 ,

|x| - y = 1

⇒|x| = 1 + y

The given region is the rectangle with sides (0, 5) , (0, -5), (5, 0), (-5, 0)

As given , the vertical cross section are semicircle

As we know that the area of semi circle  = \frac{1}{2}\pi  x^{2}

Now,

Volume = \int\limits^0_-1    {\frac{\pi }{2} (1+y)^{2}  } \, dy + \int\limits^1_0    {\frac{\pi }{2} (1-y)^{2}  } \, dy

            = \frac{\pi }{2} (\frac{(1+y)^{3} }{3} ) - \frac{\pi }{2} (\frac{(1-y)^{3} }{3} )

           = \frac{\pi }{6}[1-0] - \frac{\pi }{6}[0-1]

           = \frac{\pi }{6} + \frac{\pi }{6} = 2\frac{\pi }{6} = \frac{\pi }{3}

⇒volume of the solid = \frac{\pi }{3}

4 0
3 years ago
10. Answer True or False for the following statements. If false, justify what would make the statement true. a. If the least-squ
Free_Kalibri [48]

Answer:

a) TRUE

b) FALSE

c)  FALSE

d) TRUE

e) FALSE

Step-by-step explanation:

a)

TRUE because the slope of the correlation line is 2  and this is the rate of change of y respect to x

b)

FALSE

The correlation coefficient r is always between -1 and 1, so it can never be greater than one

c)

FALSE

A student might expect that there is a positive correlation between the age of their laptop and its resale value only if after collecting a large enough sample of data that relates age of the student and price of resale of their laptop, he or she finds that there is a positive correlation coefficient r>0

d)

TRUE

If there is a positive correlation, then the greater the x, the greater the y

e)

FALSE

If there is no correlation between the independent and dependent variables, then the value of the correlation coefficient must be 0.

7 0
3 years ago
What is the measure of the missing angle?<br> 40<br> 90
Lyrx [107]

Answer:

50°

Step-by-step explanation:

I am assuming that the shape is a right triangle.

All interior angles of a triangle add up to 180°.

x + 40 + 90 = 180\\\rule{150}{0.5}\\x + 130 = 180\\\\x + 130 - 130 = 180 - 130\\\\\boxed{x = 50}

The missing angle should be 50°.

Hope this helps.

8 0
3 years ago
Read 2 more answers
5x-6 is quadratic equation
MArishka [77]
I, sorry but that problem does not make any sense how do 5x-6 tell me?
6 0
3 years ago
If Elizabeth gets $5 per hour to babysit plus $4 extra for putting the children to bed, write a flrmula that could be used to fi
Rzqust [24]
I hope this helps

Answer is 5H+4=A
7 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP ME! I NEED HELP ASAP! EXPLAIN THE ANSWER!! PLEASEE I WILL MARK BRAINLIEST! HELP ASAP!!
    8·1 answer
  • 7 less than 14 times a number
    6·1 answer
  • A gym teacher orders 42 tennis balls. Each package contains 3 tennis balls. Which of the following equations represents the numb
    9·1 answer
  • NEED HELP ASAP
    14·2 answers
  • Complete each congruence statement by naming the corresponding angle or side (odd questions only)
    11·1 answer
  • Can someone help please! It’s timed!
    11·1 answer
  • Which of the following has a value between 10 over three and 11 over three
    6·1 answer
  • Francisco purchased a 2010 model sedan for $24,999. The dealership offered him a $199/month
    10·1 answer
  • Can u plz help me with this
    12·2 answers
  • Which equation has a unit rate greater than the unit rate of the relationship shown in the graph?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!