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Kamila [148]
3 years ago
8

What is the mass of the sun

Mathematics
2 answers:
Schach [20]3 years ago
8 0
Hi there

The mass of the sun is :1.989*10^30kg

I hope that's help !
mezya [45]3 years ago
6 0
1.989 * 10^3^0 kg
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Charles will babysit for up to 4 hours and charges $7 per hour. Write a function in function notation for this situation.
I am Lyosha [343]
Assume Charles charges $7*3=$21 if he babysits for 2,5 hours (that is 2 and a half hours).

That is we are not considering Charles babysitting exactly 1, 2, 3 or 4 hours, but also in between times.


then we can write the following piecewise function to describe the situation:


f is a function from (0, 4] to {$7, $14, $21, $28}

f(x)=\begin{cases} 
      \$7 & if \enspace \enspace x\leq 1 \\
      \$14 & if \enspace \enspace 1\ \textless \  x\leq 2 \\
      \$21 & if \enspace\enspace 2\ \textless \ x\leq 3 \\
      \$28 & if \enspace\enspace 3\ \textless \ x\leq 4 \
   \end{cases}
6 0
3 years ago
Help on this please show my work ?
Mandarinka [93]
Factor the denominator
x^2+3x-10
(x+5)(x-2)

(x-2)/((x+5)(x-2))

The x-2 in the numerator and denominator cancel out.

Final answer: x+5
5 0
3 years ago
Sara wanted to put a trim on her curtains. She measured the curtains and found that they were 4.5 yards long. How many inches is
Maru [420]
The answer would be 162inches!!!!

5 0
3 years ago
Read 2 more answers
What is the vertex form, f(x) = a(x − h)2 + k, for a parabola that passes through the point (1, −7) and has (2, 3) as its vertex
kondaur [170]

Answer:

Vertex form: f(x) = -10(x − 2)^2 + 3

Standard form: y = -10x^2 + 40x - 37

Step-by-step explanation:

h and k are the vertex coordinates

Substitute them in the vertex form equation:

f(x) = a(x − 2)^2 + 3

Calculate "a" by replacing "f(x)" with -7 and "x" with 1:

-7 = a(1 − 2)^2 + 3

Simplify:

-7 = a(1 − 2)^2 + 3

-7 = a(-1)^2 + 3

-7 = a + 3

-10 = a

Replace a to get the final vertex form equation:

f(x) = -10(x − 2)^2 + 3

Convert to standard form:

y = -10(x − 2)^2 + 3

Expand using binomial theorem:

y = -10(x^2 − 4x + 4) + 3

Simplify:

y = -10x^2 + 40x - 40 + 3

y = -10x^2 + 40x - 37

6 0
3 years ago
(6x -8)(2x -3)<br><br> B) 12x2 + 24 <br> U) 70x<br> L) 8x2 - 21x + 11 <br> E) 12x2 -34x + 24
deff fn [24]
Answer is E!
12x^2-34x+24
5 0
3 years ago
Read 2 more answers
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