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Ber [7]
3 years ago
5

What must be added to 3x -7 to make x 2 + 4x -1?

Mathematics
1 answer:
Elanso [62]3 years ago
6 0
There is the answer!

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True or false: the median of the values 3.4, 4.7, 1.9, 7.6, and 6.5 is 4.05.
sergejj [24]

3.4, 4.7, 1.9, 7.6, and 6.5


Rearrange the numbers in ascending orders:


1.9 , 3.4, 4.7, 6.5, 7.6


⇒ The median (the number in the middle) is 4.7


Answer: False


7 0
3 years ago
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Which relationship in the triangle must be true ?
Ivan

Answer:

Choice B. sin(B)=cos(90-B)

Step-by-step explanation:

That cofunction identity is the one you looking for...choice B.

If you aren't convinced or don't know that identity, then maybe this will help:

90-B is actually the same thing as saying A for this right triangle since A+B=90.

So choice B basically says sin(B)=cos(A)

Well let's find both sin(B) and cos(A)

sin(B)=b/c

cos(A)=b/c

Those are the same ratios!

So they are equal!

3 0
3 years ago
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What is 2% of 33 give the ANSWER
marysya [2.9K]

Answer:

0.66

Step-by-step explanation:

33 * 0.02 = 0.66

6 0
3 years ago
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The ribbon was 3 1/4 inches wide and had an area of 19 1/2 square inches. What is the length of the ribbon? Please Help Will Giv
miv72 [106K]
Hello!

The formula for finding area is l × w

If the area is 19 ½ inches and it was 3 ¼ inches wide, then the length will be 19 ½ ÷ 3 ¼ (Area ÷ Width)

19  \frac{1}{2} \div 3  \frac{1}{4}

Change both to improper fraction

19  \frac{1}{2} =   \frac{39}{2}

3  \frac{1}{4} =  \frac{13}{4}

\frac{39}{2} \div  \frac{13}{4}

Keep 39/2
Change ÷ to ×
Flip 13/4 = 4/13

\frac{39}{2} \times  \frac{4}{13} =  \frac{156}{26} = 6

\framebox {The length of the ribbon is 6 inches}
5 0
3 years ago
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Estimate the perimeter of the figure to the nearest whole number. PLZ SOLVE PLZ
soldier1979 [14.2K]

Answer:

The perimeter is approximately 19.

Step-by-step explanation:

Three of the sides are roughly four segments long and two are around three and a half.

4 + 4 + 4 + 3.5 + 3.5 = 19

7 0
3 years ago
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