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Arturiano [62]
4 years ago
6

Add parentheses to the expression so that its value is 15: 3 × 4 + 5 - 2

Mathematics
2 answers:
Lady_Fox [76]4 years ago
7 0

Step-by-step explanation:

Technically this expression is 15 as is.

You could add the parenthesis around the 3x4 or the 5-2.

So your answer is either:

(3x4) + 5 - 2

or 3x4 + (5-2)

OR (3x4) + (5-2)

But in my opinion, you do not want to have too many sets of parenthesis, it crowds your equation too much.

Bad White [126]4 years ago
6 0

Answer:

(3 × 4) + 5 - 2

Step-by-step explanation:

To do this problem, first you need to check to see what the original answer is.

3 × 4 + 5 - 2

12 + 5 - 2

16 - 2

14

-------------------

(3 × 4) + 5 - 2

12 + 5 - 2

17 - 2

15

The answer is:

(3 × 4) + 5 - 2

Hope this helped.

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Score: 0 of 1 pt
nignag [31]

Answer:

1/18

Step-by-step explanation:

10 over 180 (60 minutes * 3 hours) = 10/180 = 1/18

6 0
4 years ago
A triangle has a height of 12 inches and a base of 7 inches. What's the area of the triangle? Question 25 options: a.) 84 in.² b
Romashka [77]

Answer:

Step-by-step explanation:

A = bh/2

A = (12)(7)/2 = 84/2 = 42 in^2

answer is C

7 0
4 years ago
Line r is parallel to line t. find m<6. The diagram is not to scale
olga_2 [115]
M <3 + 138 =190
so m<3 = 180 -138 = 42
r ans t are parallel so m<3 = m<6 then m<6 = 42

answer <span>C.42</span>
3 0
3 years ago
900 is 10 times as much as what numbers
stich3 [128]
The answer is: 90 you can calculate this: 900/10=90
8 0
3 years ago
Read 2 more answers
What makes this undefined.
nexus9112 [7]
<h3>Answer:</h3>

The expression is undefined when x=3 or -3

<h3>Solution:</h3>
  • An expression is undefined when it's divided by 0.
  • In order to make the denominator equal 0, we need to subtract 9-9.
  • Notice that x is squared.
  • So x times itself should equal 9. What number is it?
  • That's right, 3.
  • So we have
  • 9-(3)^2=9-9=0
  • There's also another solution: x=-3 (-3•(-3)=9

Hope it helps.

Do comment if you have any query.

7 0
2 years ago
Read 2 more answers
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