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3 years ago

50+25 POINTS!!! PLZ HELP WILL GIVE BRAINLIEST!!!

Mathematics

2 answers:

frosja888 [35]3 years ago

5 0

3x-2 if x is less an or greater than 1, will be a negative y value.

-2x+3 when x is greater than 1 will also be a negative y value.

The graph would be the first one ( an upside down V)

8_murik_8 [283]3 years ago

3 0

Answer:

The answer is the first plot.

Step-by-step explanation

The function changes its slope at x=1:

it is y=3x-2 when x<=1 so the slope is positive;

but it becomes y=-2x+3 when x>1 and the slope is negative.

The only plot that fits the description is the first one.

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Sonja [21]

Is there a image supposed to be attached?

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3 years ago

there are nickels, dimes, and quarters in a piggy bank. altogether, the coins are worth $3.65. the number of dimes is three time

hoa [83]

This question is solved using a system of equations, and doing this, we get that: There are 9 quarters, 4 nickels and 12 dimes.

I am going to say that:

x is the number of nickels.

y is the number of dimes.

z is the number of quarters.

In all, they are worth $3.65.

A nickel is worth $0.05, a dime is worth $0.1 and a quarter is worth $0.25, so:

$0.05x + 0.1y + 0.25z = 3.65$

Dimes: 3 times greater than nickels:

This means that:

$y = 3x$

Quarters: One greater than double the number of nickels:

This means that:

$z = 2x + 1$

Value of x:

We have y and z as function of x, so we can replace into the equation and find the value of x, so:

$0.05x + 0.1y + 0.25z = 3.65$

$0.05x + 0.1(3x) + 0.25(2x+1) = 3.65$

$0.05x + 0.3x + 0.5x + 0.25 = 3.65$

$0.85x = 3.4$

$x = \frac{3.4}{0.85}$

$x = 4$

y and z:

$y = 3x = 3(4) = 12$

$z = 2x + 1 = 2(4) + 1 = 9$

There are 9 quarters, 4 nickels and 12 dimes.

A similar question is found at brainly.com/question/17096268

4 0

3 years ago

Write an equation to match each graph:

castortr0y [4]

From what I know this graph looks like that of a modulus function except it's shifted 1 unit to right and 1 unit below the origin.

So the original equation must be:
y = |x|

And the transformed equation (aka the equation if this graph) must be,

y+1 = |x| -1

y = |x| -2

7 0

3 years ago

Read 2 more answers

The price of a computer was decreased by 7% to £500. What was the price before the decrease? Give your answer to the nearest pen

inessss [21]

It’s 500.07
all i did was solve x-7%=500 and got 500.07.

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2 years ago

Which one is farther right on the number line -1.75 or -3.25

Neko [114]

-1.75, negative numbers go on the left of the negative sign going up (down) and since -1.75 is actually a greater number our answer is -1.75

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3 years ago