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
Marianna [84]
3 years ago
11

Solve for ddd. Give an exact answer. 0.5(7d+4)=7-1.5d0.5(7d+4)=7−1.5d0, point, 5, left parenthesis, 7, d, plus, 4, right parenth

esis, equals, 7, minus, 1, point, 5, d=
Mathematics
1 answer:
MissTica3 years ago
4 0

Answer:

d = 1

Step-by-step explanation:

The equation given is:

0.5(7d + 4) = 7 - 1.5d

Expand the bracket:

3.5d + 2 = 7 - 1.5d

Collect like terms:

3.5d + 1.5d = 7 - 2

5d = 5

d = 5 / 5 = 1

You might be interested in
Help me please thank you
Natali5045456 [20]

Try the last one; it doesn't mention anything foreign.

3 0
4 years ago
Given the arithmetic sequence with the following two
kondor19780726 [428]

Answer:

aₙ = -15 + 10 * (n-1)

Step-by-step explanation:

aₙ = a₁ + (n-1)*d       a₁: first term     d: common difference

a₅  a₁ + 4d =25 .... (1)

a₁₁  a₁ + 10d = 85   ...(2)

(2) - (1)     6d = 60

d = 10

a₁ = -15

Formula: aₙ = -15 + 10 * (n-1)

8 0
3 years ago
Help please! I need the answers for the two fill-in-the-blanks.
ryzh [129]

Answer:

The first column is transformation

The second one I have forgotten

Need other help

3 0
4 years ago
Give the domain and range.
3241004551 [841]

Answer:

The correct answer is a.

Step-by-step explanation:

The domain is the plotted points on the x-axis.

The range is the plotted points on the y-axis.

(-3, 3), (0, 0), (2, -2)

Domain {-3, 0, 2}; Range: {3, 0, -2}

8 0
3 years ago
Read 2 more answers
What are Numbers? Why do we need them?​
il63 [147K]
A number is a mathematical object used to count, measure, and label
3 0
3 years ago
Other questions:
  • A scuba diver dove 18 ft below the
    8·2 answers
  • Jaclyn plays singles for the varsity tennis team where she won the sudden death tie breaker point with a cross-court passing sho
    12·1 answer
  • Sam is 5 years old. his older brother, tom, is three times as old as sam. when sam is 20, how old will tom be? 15
    9·1 answer
  • A coin is tossed. The probability of getting tails is 1?2. What is the likelihood of getting tails?
    10·1 answer
  • These are a pair of angles, adjacent or nonadjacent, whose sum is 90°.
    15·1 answer
  • Need help with 2 and 3 and express I’m radical form
    8·1 answer
  • What is the surface area of the pyramid <br> 224ft<br> 460ft <br> 112 ft<br> 336ft
    12·1 answer
  • When Ben does his math homework, he finishes 10 problems every 7 minutes. At this rate, how long will
    9·1 answer
  • How much interest is charge when 100,000 is borrowed for 6months at an annual simple interest rate of 12 percent
    11·1 answer
  • Help I will be marking brainliest!!!<br><br> A. 28.8<br> B. 36<br> C. 48<br> D. 38.4
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!