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777dan777 [17]
3 years ago
9

ASAP!! NEED HELP WITH ONLY 21 AND 23 !!!

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0
The picture is all laggy

Can you upload it one more time
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The sum of Sally’s age plus Thomas’s age is 12. The difference of Sally’s age and Thomas’s age is 3. Writeand solve a system f e
den301095 [7]
Muhum hum....


<span>Let
Sally's age = s
Tomas's age = t 

The sum of sally's age plus twice tomas's age is 12
s+2t=12...........(1)
The difference of sally's age and tomas' is 3.
s-t=3
s=3+t.........(2)
Put the value of s from (2) to (1)
s+2t=12...........(1)

3+t+2t=12
3t=12-3
3t=9
t=9/3
t=3
Put the value of t in (2)
s=3+t
s=3+3
s=6 

Sally's age = s = 6
Tomas's age = t = 3

</span>
4 0
3 years ago
The quotient of fifty-six and a number
snow_lady [41]

Answer:56/x

Step-by-step explanation:

that is the answer

8 0
3 years ago
A certain brand of candy is sold by weight with a 3 oz bag costing $0.75 if a bag of this candy costs $2.00 what does it weigh
DiKsa [7]
The answer is  "8 ounces" I hope this helps
5 0
3 years ago
Read 2 more answers
The rational function has a y-intercept of 7. What is the equation for this function?
Schach [20]

Answer:

\large\boxed{f(x)=\dfrac{4}{x+2}+5}

Step-by-step explanation:

f(x)=\dfrac{a}{x-b}+c\\\\\text{We have}\\\text{(1) the vertical asymptote}\ x=-2.\ \text{Therefore}\ b=-2.\\\text{(2) the horizontal asymptote}\ y=5.\ \text{Therefore}\ c=5.\\\text{(3) the point (0, 7). Put the coordinates of the point to the equation}\\\text{of the function}\\y=\dfrac{a}{x-(-2)}+5\\\\7=\dfrac{a}{0+2}+5\qquad\text{subtract 5 from both sides}\\\\2=\dfrac{a}{2}\qquad\text{multiply both sides by 2}\\\\4=a\to a=4\\\\\text{Finally:}\\\\f(x)=\dfrac{4}{x+2}+5

0 0
3 years ago
Half the sum of x and y decreased by one-third of y
saul85 [17]
Your question doesn't really make since but... 1/2(x+) - 1/3y. 
5 0
3 years ago
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