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Hatshy [7]
3 years ago
8

Math equations that equal 31

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
5 0
6x+33-2(3x+1)
17+14
30+1
60-29
18+13
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So it says change the following fractions and mixed numbers to decimal numbers
puteri [66]

Answer:

2.16666666667 or rounded to 2.17

Step-by-step explanation:

first you have to change the mixed number to an improper fraction which would be 13/6 and then divide the numerator by the denominator

6 0
3 years ago
I need help with this​
Lorico [155]

Answer:

14

Step-by-step explanation:

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7 0
3 years ago
The difference between 4 twenty fives and three twenty fives
-Dominant- [34]

Answer:

4 twenty fives is 100 and 3 twenty fives is 75

Step-by-step explanation:

Hope this help:)

7 0
3 years ago
Please answer ASAP!
7nadin3 [17]

Answer:

h = 4.5 inches

Step-by-step explanation:

The area of a trapezoid is given by

A = 1/2 (b1+b2) h

We know A b1 and b2

20.25 = 1/2 (5+4)*h

20.25 = 9/2 h

Multiply each side by 2/9 to isolate h

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6 0
4 years ago
In order to apply the law of sines to find the length of the side of a triangle, it is enough to know which of the following?
larisa86 [58]

Answer:

We must have two angles and a side.

A is the correct option.

Step-by-step explanation:

For any triangle ABC,  the law of sine is given by

\frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C}

From this formula it is clear that in order to find the length of the side of the triangle, we must have two angles and a side.

Let us understand this by assuming that we need to find a (length of the side). From the formula, we have

\frac{a}{\sin A}=\frac{b}{\sin B}\\\\a=\frac{b\sin A}{\sin B}

Thus, to find the length a, we must have b, sin A and sin B.

Hence, o find the length of the side of the triangle, we must have two angles and a side.

3 0
4 years ago
Read 2 more answers
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