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
KonstantinChe [14]
3 years ago
7

Simplify this expression: 3 ( d + 4 ) + -5 (2d + 1 )

Mathematics
1 answer:
luda_lava [24]3 years ago
5 0

Step-by-step explanation:

Evaluate:

7-7d

Solution steps

3×(d+4)+ -5×(2d+1)

3d+12-5×(2d+1)

3d+12-10d-5

-7d+12-5

-7d+7

EXPAND:

3×(d+4)+ -5×(2d+1)

3d+12-5×(2d+1)

3d+12-10d-5

-7d+12-5

-7d+7

FACTOR:

3×(d+4)+ -5×(2d+1)

-7d+7

7×(-d+1)

You might be interested in
Make it simple thanks
andriy [413]

Answer:

You can look for these:

Step-by-step explanation:

The factors of the equation:

For example, if multiplication, the factors 2x2=4

if addition, the addends 2 + 2= 4

So just look for the numbers before the equal sign and any key words in the problem.

Hope this helps!

5 0
3 years ago
Read 2 more answers
Write a linear equation that passes through the point (2,-9) and has a slope of -5
Anna [14]

Answer:

  • y = -5x + 1

Step-by-step explanation:

<u>Given:</u>

  • The slope m = -5 and point (2, -9)

<u>Use point slope form:</u>

  • y - y₁ = m(x - x₁), where (x₁, y₁) is the given point

<u>So the equation is:</u>

  • y - (-9) = -5(x - 2)
  • y + 9 = -5x + 10
  • y = -5x + 1
3 0
3 years ago
Anthony has a sink that is shaped like a half-sphere. The sink has a volume of 4000/3*π in^3. One day, his sink clogged. He has
Nostrana [21]

That's a huge one. I don't think that anyone will actually answer that.

7 0
3 years ago
Write the statement in the if then form perpendicular lines intersect to form right angles
kvv77 [185]

Answer: If perpendicular lines intersect, then they form right angles.


Step-by-step explanation:

You take the first part, "perpendicular lines intersect", and add the "if" to it. Then, you take the second part, "to form right angles", and add the "then" in front of it to get your answer, "If perpendicular lines intersect, then they form right angles."

Hope it helps! :)

8 0
3 years ago
One of the psychologist's findings is that 18 months after the workshop, a sample of 49 job seekers who received training on set
IceJOKER [234]

Answer:

The psychologist finds that the estimated Cohen's d is 0.583.

Step-by-step explanation:

The Cohen's d is used to calculate the effect size, appied when a null hypothesis is rejected.

It can be calculated for this case of population mean as:

d=\dfrac{M-\mu}{\sigma}=\dfrac{6.5-5.8}{1.2}=\dfrac{0.7}{1.2}=0.583

The psychologist finds that the estimated Cohen's d is 0.583.

8 0
4 years ago
Other questions:
  • Match the following.
    5·1 answer
  • The ratio of cats to dogs at the animal shelteris 6:7. If there are a total of 91 cats and dogs, how many of each are there?
    9·1 answer
  • Brain operation
    9·1 answer
  • State the slope and y-intercept. y=-3/7x - 1/7
    8·2 answers
  • Pete and Teegan each put the same amount of money in a new bank account. Teegan's account earns 2.75% simple interest, and she e
    12·1 answer
  • Which would not be a step in solving 5x + 15 + 2x = 24 + 4x?
    10·1 answer
  • A pyramid shaped building is 836 ft tall with a square base that is 156 ft on each side. What is the volume of the​ pyramid?
    6·1 answer
  • Find the other x-intercept for the parabola defined by this equation y=2x2+3-2​
    9·1 answer
  • Help please i really need it
    7·2 answers
  • Alexa has set up a lemonade stand outside her house and sells small cups and large cups of lemonade. Each small cup holds 8 ounc
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!