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evablogger [386]
3 years ago
11

Sally is 4 years older than Brody. Evelyn is 3 times older than Brody. If Brody's age is represented by x, create an expression

that represents the total age of all three people.
A.4x+4
B. 5x
C.5x+4
D.7x
Mathematics
1 answer:
xxTIMURxx [149]3 years ago
5 0

Answer:

Its C. 5x +4

Step-by-step explanation:

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Paul is running Tennis shop. He sells balls and rackets. Rackets (R) cost $1.20 each and Balls (B) cost $2:0 each. At the end of
Rus_ich [418]

The system of equations that represent the situation are 1.20R + 2B = 70, and R + B = 90.

<h3>What are the system of equations?</h3>

The system of equations are sets of equations that have to be solved simultaneously in order to determine their required values. They are often referred to as simultaneous equations.

To learn more about simultaneous equations, please check: brainly.com/question/25875552

8 0
2 years ago
What is the range of the function f(x)=3/4x-3
kipiarov [429]

Answer:

(-∞,0)∪(0,∞)

Step-by-step explanation:

The domain of a function is wherever the y values exist.  The only time the y values dont exist in this function is when the denominator is zero.  So the denominator does not exist at x=0, because that is when 4x = 0.

7 0
3 years ago
Choose two positive integers a and b, making sure that a&lt;5 and b&gt;80 . The width of a rectangular computer screen is a inch
qwelly [4]

Answer:

Dimensions of the screen are a minimum of 10 inches wide by 8 inches high. The difference between the height and width will be 2 inches

Step-by-step explanation:

Height = H

Width = H + a

Area = Height x Width

b = H * (H + a)

b = H^{2} + aH

H^{2} + aH > 80

H^{2} + aH - 80 > 0

a<5 means 'a' can be a = 1, 2, 3, 4

Solving for H for each option of 'a' will give values of 'H' using the quadratic formula below

H = \frac{-b\±\sqrt{b^{2}-4ac}}{2a}

As 'a' and 'b' must be positive integers, H and W must be positive integers as well,

a = 1, H = 8.46, H = -9.46

a = 2, H = 8, H = -10

a = 3, H = 7.57, H = -10.57

a = 4, H = 7.17, H = -11.17

Based on above possible answers:

a=2, H=8

W = H + a

W = 8 + 2

W = 10

Dimensions of the screen are a minimum of 10 inches wide by 8 inches high. The difference between the height and width will be 2 inches

5 0
3 years ago
What is the equation of the line that passes through the point (3,-3) and has a slope of 0?
Blizzard [7]

Answer:

given us,

slope= 0

(x1y1)= (3,-3)

here

(y-y1) =m(x-x1)

or, (y+3)=0(x-3)

or (y+3)= x-3

or, x+y= -3-3

x+y= -6

Step-by-step explanation:

x+y= -6

7 0
3 years ago
The bees buzzed by the beatiuful blue bag, what is this?
11111nata11111 [884]
Alliteration

how I remember is that the 2 L’s are together in the word, and the same letter is repeated in the sentence.
if that makes sense,

hope i’m not too late!!
8 0
3 years ago
Read 2 more answers
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