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Orlov [11]
3 years ago
11

Find the size of angle XYZ give your answer to 1 decimal place 13cm 4cm

Mathematics
2 answers:
lys-0071 [83]3 years ago
5 0

Answer:

Step-by-step explanation:

cestrela7 [59]3 years ago
3 0

Answer:

2.1

Step-by-step explanation:

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I will give brainliest to the person who does all ten problems first
Anastasy [175]

Answer:

1)   5p+10-p

4p+10

2)  8h+12h-18

20h-18

3)  4x+32+9x

13x+32

4)  6y+8+9

6y+17

5)9x+12x+18

21x+18

6) 9m+9+2m

11m+9

7)  2r+18-6

2r+12

8)  15d+8

9)  8m+8+3m

11m+8

10)  5y+20+10y

15y+20

3 0
2 years ago
The line tangent to the graph of g(x) = x^{3}-4x+1 at the point (2, 1) is given by the formula
Usimov [2.4K]

well, about A and D, I just plugged the values on the slope formula of

\bf \begin{array}{llll} g(x)=x^3-4x+1\\ L(x) = 8(x-2)+1 \end{array} \qquad \begin{cases} x_1=1.9\\ x_2=2.1 \end{cases}\implies \cfrac{f(b)-f(a)}{b-a}

for A the values are 8.01 and 8.0, so indeed those "slopes" are close. \textit{\huge \checkmark}

for D the values are -2.25 and 8.0, so no dice on that one.

for B, let's check the y-intercept for g(x), by setting x = 0, we end up g(0) = 0³-4(0)+1, which gives us g(0) = 1.

checking L(x) y-intercept, well, L(x) is in slope-intercept form, thus the +1 sticking out on the far right is the y-intercept, so, dice. \textit{\huge \checkmark}

for C, well, the slope if L(x) is 8, since it's in slope-intercept form, the derivative of g(x) is g'(x) = 3x² - 4, and thus g'(0) = -4, so no dice.

for E, do they intercept at (2,1)?  well, come on now, L(x) is a tangent line to g(x), so that's a must for a tangent. \textit{\huge \checkmark}

for F, we know the slope of the line L(x) is 8, is g'(2) = 8?  let's check

recall that g'(x) = 3x² - 4, so g'(2) = 3(2)² - 4, meaning g'(2) = 8, so, dice. \textit{\huge \checkmark}

6 0
3 years ago
Solve using Quadratic Formula <br>x^2 + 3x - 3 = 0​
katrin [286]

Answer:

a= 1 , b= 3 , c= –3

x =  \frac{ - b \frac{ + }{}  \sqrt{ {b}^{2}  - 4ac} }{2a}  \\ x =  \frac{ - 3  \frac{ + }{} {}  \sqrt{ {3}^{2}  - 4(1)( - 3)} }{2(1)}  \\  =   \frac{ - 3 \frac{ + }{}  \sqrt{9 + 12} }{2}  =  \frac{ - 3 \frac{ + }{} \sqrt{21}  }{2}  \\ \\  x =  \frac{ - 3 \frac{ + }{} \sqrt{21}  }{2}  \\  \\ x = 0.79 \\ x =  - 3.79

I hope I helped you^_^

4 0
3 years ago
Which is greater 10.2 or 10.02
Brrunno [24]
10.2 is the right answer 10 dollars and 20 cents is more then 10 dollars and 02 cents

7 0
3 years ago
Read 2 more answers
45,621 round to the nearest thousand?
yaroslaw [1]

Answer: 46,000

Step-by-step explanation:

8 0
2 years ago
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