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Dmitry [639]
3 years ago
10

Tonya and Emily each have an online jewelry store. Let T represent the amount of money Tonya earns daily, and let

Mathematics
2 answers:
Shkiper50 [21]3 years ago
7 0
D; on average, tonya makes $312 more than emily on a typical day. let me know if you want an explanation.
zubka84 [21]3 years ago
3 0

Answer:

On average, Tonya makes $312 more than Emily on a typical day.

Step-by-step explanation:

I was just studying that question a few hours ago

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Which are the solutions of x2 = 19x + 1?
Finger [1]

Answer:

(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})

Step-by-step explanation:

we have

x^2=19x+1

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}

in this problem we have

-x^{2}-19x-1=0  

so

a=1\\b=-19\\c=-1

substitute in the formula

x=\frac{-(-19)\pm\sqrt{-19^{2}-4(1)(-1)}} {2(1)}

x=\frac{19\pm\sqrt{365}} {2}

x=\frac{19+\sqrt{365}} {2}

x=\frac{19-\sqrt{365}} {2}

(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})

therefore

StartFraction 19 minus StartRoot 365 EndRoot Over 2 EndFraction comma StartFraction 19 + StartRoot 365 EndRoot Over 2 EndFraction

6 0
3 years ago
Read 2 more answers
Tiffany types of a page in a page inof an hour. At this rate, how many pages will she type in 3 hours? Express your answer as a
Klio2033 [76]

Answer:

3.0pages

Step-by-step explanation:

If Tiffany type a page in an hour, then;;

1 page = 1 hour

To calculate the number of pages typed in 3 hours, we can express as;

x pages = 3 hours

Divide both expressions

1/x = 1/3

x* 1 = 1* 3

x = 3pages

She will type 3.0pages in 3 hours

7 0
2 years ago
How to solve 4n-40=7(-2n+2)
Damm [24]

4n-40=7(-2n+2)

4n-40=-14n+14

subtract -4n from both sides

-40 = -18n +14

subtract -14 from both sides

-54=-18n

divide both sides by -18


3 = n


3 0
3 years ago
Read 2 more answers
Write the ratio as a fraction in simplest form, with the whole numbers In the numerator and denominator. 1.4L : 4.9 L
lidiya [134]
1.4L : 4.9L
= \frac{1.4}{0.7} L:\frac{4.9}{0.7}L
=2L : 7L
8 0
3 years ago
I need help with this question
k0ka [10]
F(x) = 1 / (x - 2)...when x = 4
f(4) = 1 / (4 - 2)
f(4) = 1/2 <==

f(x) = 1 / (x - 2)...when f(x) = 1
1 = 1 / (x - 2) ...multiply both sides by (x - 2) eliminating it on the right
1(x - 2) = 1
x - 2 = 1
x = 1 + 2
x = 3 <==
8 0
3 years ago
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