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SIZIF [17.4K]
4 years ago
14

3. Find which of the following are in proportion: (1) 12, 16, 6,8

Mathematics
1 answer:
IgorLugansk [536]4 years ago
8 0

Answer:

thus, the ratios 8 : 16 and 6 : 12 are equal

Step-by-step explanation:

8 : 16 and 6: 12

8 : 16 = 1/2

6: 12= 1/2

Thus, the ratios 8 : 16 and 6 : 12 are equal

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5. A piece of plywood has a length that is 5 more than twice its width. Write the expression that represents the area of the ply
Sholpan [36]
5w^2 = A
 
You would multiply the width (w) by 5 because it's 5 times more than twice it's width. Then w (Width) would be to the power of 2 because it's 5 times more than twice its width. And this will all equal the Area (a) 
7 0
4 years ago
Name an angle vertical to TPQ.<br><br> A. TPU<br> B. QPU<br> C. UPR<br> D. none of these
tatyana61 [14]

Answer:

C. UPR

Step-by-step explanation:

Opposite from TPQ

7 0
4 years ago
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The curve with equation y=e^2x/4+3e^x has one stationary point.find the exact value of the coordinates of this point
Softa [21]
y=\dfrac{e^{2x}}{4+3e^x}
\implies y'=\dfrac{2e^{2x}(4+3e^x)-3e^xe^{2x}}{(4+3e^x)^2}
\implies y'=\dfrac{8e^{2x}+3e^{3x}}{(4+3e^x)^2}

Stationary points occur where the derivative is zero. The denominator is positive for all x, so we only need to worry about the numerator.

8e^{2x}+3e^{3x}=e^{2x}(8+3e^x)=0

e^{2x}>0 for all x, so we can divide through:

8+3e^x=0\implies e^x=-\dfrac83

But e^x>0 for all x\in\mathbb R, so this function has no stationary points...

I suspect there may be a typo in the question.
6 0
3 years ago
A bakery sold a total of 500 cupcakes in a day, and 83% of them were vanilla flavored. How many of the cupcakes sold that day we
Hoochie [10]

Answer:

415 were vanilla

Step-by-step explanation:

To solve we must first turn the percentage into a number and multiply that by the sum of 500.

83% = .83

.83 x 500 = 415

5 0
3 years ago
A store pays $147 for a skateboard. If the store marks it up 75%, then marks it down 22%. What is the new cost​
jeyben [28]

Answer:

200.65

Step-by-step explanation:

147 plus 75% or 110.25 minus 22% or 56.59

4 0
3 years ago
Read 2 more answers
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