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ziro4ka [17]
4 years ago
8

How do I simplify 4b-7-15b+3

Mathematics
1 answer:
natta225 [31]4 years ago
8 0
First you combine like terms which are 4b and -15b which turn into -11b and then you combine like terms again which are -7 and +3 which gets you to -4. So your final answer is -11b-4
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Tom has 2 more than 5 times the number of CD’s that Jane has. Jane has 5 CD’s. Write an
Soloha48 [4]

Step-by-step explanation:

t=2+5×j

j=5

t=2+5×5

t=27

3 0
3 years ago
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Each week Richard Studies for 12 hours. His friend Gary studied for 8 hours a week. How many weeks will it take Gary to study th
KATRIN_1 [288]
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If the ratio of star shaped cookies to circular cookies is 5: 6 and the ratio of circular cookies to triangular cookies is 3: 10
SCORPION-xisa [38]

Answer:

1:4

Step-by-step explanation:

Without loss of generality, let there be 5 star shaped cookies. Following the proportions given, there will be 6 circular cookies. We can set up the following proportion to find out how many triangular cookies there would be:

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6 0
3 years ago
Which of the following points have a distance of five units between them? Select all that apply 
Rina8888 [55]

Answer:

C. (1, 10) and (6, 5)

Step-by-step explanation:

To find the point with a distance of 5 units.

Let the points be x and y.

x = x1 and x2

y = y1 and y2

x2 - x1 = 5 units

y2 - y1 = 5 units.

A quick look at the options, we can tell that the correct option is C.

From points (1, 10) and (6, 5)

x1 = 1, x2 = 6, y1 = 10 and y2 = 5

Substituting into the equation above, we have;

x2 - x1 = 6 - 1 = 5 units

y2 - y1 = 5 - 10 = -5 units.

Therefore, option C with points (1,10) and (6,5) have a distance of five units between them.

7 0
3 years ago
Please help me please !
Ratling [72]

9514 1404 393

Answer:

  Molly

Step-by-step explanation:

Brady did not properly create a square.

The square of a binomial is ...

  (a -b)² = a² -2ab +b²

Where a²=x² and -2ab = -4x, you find b=2. The constant term in the square is 2²=4. Brady shows it as -4, which is incorrect.

Molly's work is correct.

6 0
3 years ago
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