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tekilochka [14]

3 years ago

12

1.) Use your calculator or Desmos to find the value of x to the nearest

2 answers:

JulijaS [17]3 years ago

4 0

Answer:

I think it would be 00.432

Step-by-step explanation:

victus00 [196]3 years ago

4 0

Answer:

$x=60$ °

Step-by-step explanation:

To solve for x°, use the inverse of the sine ratio:

$sinx=0.8660\\\\x=sin^{-1}(0.8660)$

Enter into a calculator and simplify:

$x=59.997...$

Round to the nearest degree:

$x=60$ °

Finito.

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Which expression is equivalent to 6m+(m-2)(m+7)+3

Vika [28.1K]

Answer:

$m^{2}$ + 11m - 11

Step-by-step explanation:

6m+(m-2)(m+7)+3 = 6m + [ m*m - 14 -2m + 7m] + 3

= 6m + mm - 14 + 5m + 3

= mm + 11m - 11

6m+(m-2)(m+7)+3 = $m^{2}$ + 11m - 11

5 0

3 years ago

pls help me with this if you know it also to explain it thanks Solve the equation -21 + 70n = 77 for n.

gogolik [260]

Answer:

n = 1 2/5

Step-by-step explanation:

-21 + 70n = 77

Add 21 to each side

-21+21 + 70n = 77 +21

70n = 98

Divide each side by 70

70n/70 = 98/70

n =98/70

n = 70/70 +28/70

n = 1 + 2/5

n = 1 2/5

6 0

3 years ago

What is the domain and range of h(t)=cot t

NeTakaya

Domain = R
Range = R .............

7 0

3 years ago

Lilit [14]

Answer:

Step-by-step explanation:

60% = 7.2/12

83% = 10/12

He improved by a supposed 23%

5 0

2 years ago

Consider the equation below.

Korvikt [17]

Answer:

Equation in square form:

$y=3(x+5)^2-4$

Extreme value:

$(h,k)=(-5,-4)$

Step-by-step explanation:

We are given

$y=3x^2+30x+71$

we can complete square

$y=3(x^2+10x)+71$

we can use formula

$a^2+2ab+b^2=(a+b)^2$

$y=3(x^2+2\times x\times 5)+71$

now, we can add and subtract 5^2

$y=3(x^2+2\times x\times 5+5^2-5^2)+71$

$y=3(x^2+2\times x\times 5+5^2)-3\times 5^2+71$

$y=3(x+5)^2-75+71$

So, we get equation as

$y=3(x+5)^2-4$

Extreme values:

we know that this parabola

and vertex of parabola always at extreme values

so, we can compare it with

$y=a(x-h)^2+k$

where

vertex=(h,k)

now, we can compare and find h and k

$y=3(x+5)^2-4$

we get

h=-5

k=-4

so, extreme value of this equation is

$(h,k)=(-5,-4)$

6 0

3 years ago

Read 2 more answers