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Svet_ta [14]
3 years ago
11

PLEASE HELP; I WILL MARK BRAINLIEST.

Mathematics
2 answers:
Luden [163]3 years ago
8 0
There are 13 students in Daniel’s class.
laila [671]3 years ago
5 0
He has 13 kids in his class. I subtracted 42 - 3 and got 39. Then I divided 39 by 3. That gave me 13.
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A submarine cuts through the water at an elevation of 203 meters under the sea. The sub rises, and the elevation changes by 4.3
Natalija [7]
It should be 76.1m under water. First multiple 15x4.3=64.5, and 5.2x12=62.4. Add those together to get 126.9. Subtract that from the initial elevation of 203 and get your answer.
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3 years ago
Use the rules of significant figures to answer the following question: 22.674 • 15.05
olga_2 [115]
I think it is b. 341.24
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3 years ago
Read 2 more answers
100x²7<br> Quadratic equation
grin007 [14]
Hope the answer I gave you helps!!!
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3 years ago
How do you write the equation of this description: the graph of a parabola has a vertex of (2,3) and vertically stretched by 3
Mademuasel [1]

The equation of parabola is  y = 3x²- 12x+ 15.

<u>Step-by-step explanation:</u>

The equation of the parabola is given as y = x².

If it has a vertex then the equation can be written as,

y = a(x-h)² + k

where (h, k ) is the vertex and a is the stretching or compressing factor.

So here the vertex is (2,3) and it is vertically stretched by 3.

So the equation is given as,

y = 3(x-2)² + 3

y = 3(x² -4x+4) + 3

 = 3x² - 12x + 12 + 3

y = 3x²- 12x+ 15 is the equation of the parabola.

3 0
3 years ago
Simplify 1/3 12x - 6<br> A. -2x-1<br> B.-2x-8<br> C.-x+4<br> D.3x+10<br> E. 4x-2
Natali5045456 [20]
1/3(12x - 6)

4x - 2: e
4 0
3 years ago
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