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shtirl [24]
3 years ago
7

6 grade math problem

Mathematics
1 answer:
lesya [120]3 years ago
8 0

Answer:

50

Step-by-step explanation:

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Show that the equation 2x + 3 cos x + e ^ x = 0 has a root on the interval [- 1, 0]
ExtremeBDS [4]

If <em>x</em> = -1, you have

2(-1) + 3 cos(-1) + <em>e</em> ⁻¹ ≈ -0.0112136 < 0

and if <em>x</em> = 0, you have

2(0) + 3 cos(0) + <em>e</em> ⁰ = 4 > 0

The function <em>f(x)</em> = 2<em>x</em> + 3 cos(<em>x</em>) + <em>eˣ</em> is continuous over the real numbers, so the intermediate value theorem applies, and it says that there is some -1 < <em>c</em> < 0 such that <em>f(c)</em> = 0.

5 0
3 years ago
Find the value of x 5x-2(x+5)
vesna_86 [32]

Answer:

x=9

Step-by-step explanation:

6 0
3 years ago
joseph and patrick purchase school supplies in the book store. Joseph purchases four notebooks and three pens for $10.65. Patric
natali 33 [55]

I think it is going to be 3.55 for each notebook and 1.9 for each pen

6 0
3 years ago
find the slope of the line on the graph write your answer as a fraction or a whole number not a mixed number or decimal
Alexandra [31]
The slope is (4,3). You look at the y intercept (where the y axis is crossed by the line) and simply count rise over run until you reach the next point. The next point from the y intercept (-2,0) is (2,3).

-2+4=2
0+3=3

And there you go. In fraction form it’s 4/3.
Hope this helped!
4 0
3 years ago
A cylindrical container has a base area of 100 m^2 and is 12m high. If the container is one water, what's the volume of the wate
a_sh-v [17]
The answer is:  [C]:  " 1200 m³ " .
_______________________________________________________
Explanation:
_______________________________________________________
Volume of a cylinder = (Base area) * (height) ;

                                 =  (100 m²) * (12 m) ;

                                 =  1200 m³  ;  which is:  Answer choice: [C] .
_______________________________________________________
6 0
3 years ago
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