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Vikentia [17]
3 years ago
9

Chris and lisa went shopping and spent a total of $25.50. Lisa spent $13.50 more than chris spent. Hiw much did lisa spend?

Mathematics
1 answer:
baherus [9]3 years ago
5 0

Answer:

12$

Step-by-step explanation:

$25.50-$13.50=$12

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Help me please i dont understand
ELEN [110]

Answer:

6/5 or 1.2, they're the same value

Step-by-step explanation:

When it says "rate of change", it's really just asking for the slope. If you don't know what the slope is, essentially how much the y-value increases by whenever x increases by 1. This can be formally defined using the equation: \frac{y_2-y_1}{x_2-x_1} which is essentially \frac{rise}{run}. The subtraction is finding the difference between the two numbers to see how much it's changed by. Btw the order doesn't matter, I could plug in (-3, -2) as (x2, y2) or I could plug it in as (x1, y1) as long as I make sure to input it in correctly. In this example I'll just say (-3, -2) = (x1, y1) and (2, 4) = (x2, y2). Plugging these values into the equation gives you: \frac{4- (-2)}{2- (-3)} = \frac{6}{5} that's the rate of change

8 0
2 years ago
after spending 80% of her daily allowance, Ola found out she had 25k left. How much was her total allowance?
Anestetic [448]

Answer:

31.25 k

Step-by-step explanation:

80 %   *  x = 25 k

.80  x    = 25 k

x   = 25 k / .80 = 31.25 k

8 0
2 years ago
30 POINTS By looking at the intercepts, which linear function does the graph represent?
larisa86 [58]

C. f(x)=2/3x-2

<h2>Explanation:</h2>

Looking at the graph we realize that the y-intercept is given by:

b=-2

The Slope-intercept form of the equation of a line is given by:

y=mx+b

So, our equation becomes:

y=mx-2

So the only option that matches a negative y-intercept is C. Let's see that the slope m=2/3. Look at the y-intercept, if you increase x by 3 units, then y increases by 2 units and goes from x=-2 to x=0. In other words:

Change \ in \ x=\Delta x=3 \\ \\ Change \ in \ y=\Delta y=2 \\ \\ \\ m=\frac{\Delta y}{\Delta x}=\frac{2}{3}

<h2>Learn more:</h2>

Writing linear equations: brainly.com/question/12169569

#LearnWithBrainly

7 0
3 years ago
The following points for a function are graphed in the coordinate plane: (0, 4), (1, 5), (2, 6), and (3, 7).What function is bei
Alexxx [7]

Answer:

The correct answer is

y=x+4

Explanation:

We are given the points:

(0, 4)

(1, 5)

(2, 6)

(3, 7)

We can see that for each unit that x-coordinate grows, the y-coordinate also grows one.

This means that the slope of the line is m = 1

The first point given, tell us the y-intercept: (0, 4)

The slope-intercept form of a line is:

y=mx+b

Where m is the slope and b the y-intercept.

For the points given:

m = 1

b = 4

Thus:

y=1\cdot x+4=x+4

8 0
1 year ago
B=1/4af solve for a<br> if u could answer this as fast as possible that would be great
liq [111]

Answer:

b/(1/4)(f)=a

Step-by-step explanation:

b=1/4af

b/(1/4)(f)=a

6 0
3 years ago
Read 2 more answers
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