Solve the equation 2(d-6)=3d+5

Answers

Answer 1

Answer: $2(d-6)=3d+5\n\n2d-12=3d+5\n\n2d-3d=5+12\n\n-d=17\ /\cdot(-1)\n\nd=-17$

Answer 2

Answer: Hey Justinjames23m,

This is how you do it, step by step:

2(d - 6) = 3d + 5
2d - 12 = 3d + 5
2d = 3d + 17

d = -17

Hope this helps!

Chen :D

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Denise scored 3 fewer points than carter scored. Denise scored 18 points. How many points did Carter score Write an equation to represent the situation. Then solve the equation to answer the problem.

Answers

c = d + 3

In this equation, the variable c represent's Carter's score, and the variable d represents Denise's score. Because Denise scored 3 fewer points than Carter, that means that Carter scored 3 more points than Denise. Therefore, d, or Denise's score, is equal to c, or Carter's score, if you add 3. Now, let's substitute in Denise's score of 18.

c = 18 + 3 Substitute
c = 21 Add

Carter's score is 21. If we wanted to check that, we could simply reverse the equation.

d = c - 3 Because Denise scored three fewer points than Carter, his score equals Carter's score minus 3.
d = 21 - 3 Now, let's substitute in the answer we got for Carter's score.
d = 18 Yep! The question says that Denise scored 18 points, so the answer we got is correct.

A circle has a diameter of 8 m. What is the circumference of the circle? (Express your answer using π.)

A.

B.

C.

D.

Answers

The answer is B. The formula for circumference is 2piR or just the diameter times pi

What is the largest number that can go into all three of these numbers:12, 24, and 60
(sorry no muffins to day)

Answers

the correct number is 12

Answer:

Step-by-step explanation:

12*1=12

12*2=24

12*5=60

Chelsea shows her work in finding the solution to 40x– 5 = 2+ 3(x– 3). Afterchecking her answer in the original equation, she found that it did not work. Where did she make a mistake?
a. step 1: she distributed incorrectly
b. step 2: She subtracted 3x incorrectly
c. Step 3: she’s simplified incorrectly
d. step four: she subtracted 5 instead of adding 5

Answers

Answer:

The mistake that Chelsea made was that she instead of adding 5 to both sides at step 4, she subtracted them. If she added the 5 instead of subtracting it, the answer she should've gotten was -2.

Answer:

Step 4: She subtracted 5 instead of adding 5.

12 out of 18 students buy pizza for lunch on Fridays. At this rate if there are 240 students in the entire school, how many students can be expected to buy pizza for lunch this Friday?

Answers

160. This is because u take the total(240) divide it by 18 and multiply by 12.

however, you can also simplifiy the fraction (12/18) into (2/3) and divide by the bottom denominator (3) and multiply by the top numerator. ;)

What is the answer to y=2•2^x

Answers

Answer:

y=4^x

Step-by-step explanation:

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