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worty [1.4K]
1 year ago
8

Simplify the following expression 7a + 5b - 2a + b

Mathematics
2 answers:
Papessa [141]1 year ago
7 0
5a+6b would be the simplified answer
Juli2301 [7.4K]1 year ago
5 0

Answer:

<h2><u><em>5a + 6b</em></u></h2>

Step-by-step explanation:

Simplify the following expression:

Simplify the following expression:

7a + 5b - 2a + b =

5a + 6b

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One-third of a number t is less than or equal to 5
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Answer:

t ≤ 15

Step-by-step explanation:

One third of 15 is equal to five (1/3 × 15 = 5)

One third of t is lesser than or equal to five (1/3 × 5 ≤ 5)

<em>So, t cannot be more than 15.</em><em> </em><em>It</em><em> </em><em>can</em><em> </em><em>be</em><em> </em><em>equal</em><em> </em><em>to</em><em> </em><em>1</em><em>5</em><em>,</em><em> </em><em>though</em><em>.</em>

∴t ≤ 15

7 0
3 years ago
Inductive and deductive reasoning differ in which way?
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Answer:

(D) Conclusions drawn using deductive reasoning are always valid, while conclusions drawn using inductive reasoning may or may not be valid.

Step-by-step explanation:


7 0
2 years ago
Solve for x y=8x y=72
Zielflug [23.3K]
X = 9

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6 0
3 years ago
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Count the possible combinations of r letters chosen from the given list P.Q,R,S,T,U; r = 2
Tasya [4]

Answer:

<h2>There are 30 possible combinations of picking two letters.</h2>

Step-by-step explanation:

The combinations are defined as

C^{r}_{n}=\frac{n!}{(n-r)!}

Where n is the total number of elements and r is the number of letter we are gonna picke, which is two. Using this information, we have

C^{2}_{6}=\frac{6!}{(6-2)!}=\frac{6!}{4!}=\frac{6 \times 5 \times 4!}{4!}=30

Therefore, there are 30 possible combinations of picking two letters.

4 0
3 years ago
Oliver read for 450 minutes this month. His goal is to read for 10% more minutes next month. If Oliver meet his goal, how many m
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