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12345 [234]
3 years ago
11

Which graph represents the function y = – 2x + 4?

Mathematics
1 answer:
Aloiza [94]3 years ago
4 0

Answer:

Graph the line using the slope and y-intercept, or two points.

Slope:  

2

y-intercept:  

(

0

,

4

)

x

y

−

2

0

0

4

Step-by-step explanation:

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write an equation to represent the relationship, and find the amount of peanut butter used to make 25 cracker packages. the tabl
Nadusha1986 [10]

We are given 4 points.

(\frac{1}{2},2)

(\frac{5}{8},\frac{5}{2})

(\frac{3}{4},3)

(\frac{7}{8},\frac{7}{2})

Using this, we can make an equation.

y=4x

I got m=4 by using the slope formula.

m=\frac{2.5-2}{0.625-0.5}

m=\frac{0.5}{0.125}

m=4

So the equation we have is y=4x

Now, we can solve for how much peanut butter is used to make 25 packages by plugging in 25 for y, which is the number of cracker packages.

25=4x

x=\frac{25}{4}

We need to use \frac{25}{4} teaspoons of peanut butter to make 25 packages of crackers.

Hope this helps.

頑張って!

4 0
3 years ago
What is the dollar value of 7 nickels and 8 quarters
victus00 [196]

Answer:

$2.35

Step-by-step explanation:

Nickels are worth 5 cents each and quarters are worth 25 cents.

7 nickels = 7 * 5 cents = 35 cents

8 quarters = 8 * 25 cents = 200 cents

Total = 200 + 35 = 235 cents

There are 100 cents per dollar, so we can find the dollar value by:

235/100 = $2.35

7 0
3 years ago
All the items on the sale rack were 75 percent off their original price.
tresset_1 [31]

Answer:

112 $ is the original price

Step-by-step explanation:

x \times 0.75 = 84 \\ x = 84 \div 0.75 \\ x = 112

you have to think that the original price multiplied by 0.75 (also known as 75%) gave the result of what he saves i.e 84 $. So we put up an equation with the original price multiplied by 75% which equals the 84 $ he saved on buying that item on sale

4 0
3 years ago
Help me will give brainliest!!
faust18 [17]

Answer:

3/4 or 9/12

Step-by-step explanation:

Since there are 12 movies in total. The possible chance of picking a drama movie is a 1 out of 4 chance (3/12 = 1/4), the possible of picking a movie without a drama is a 3 out of 4 chance (9/12 = 3/4)

12/12 - 3/12 = 9/12 = 3/4

3 0
3 years ago
Find the mean median and mode (I NEED HELP ASAP)
Lina20 [59]

Answer:

12) mode= no mode

     mean=62

     median=81

13) mode=74

mean=78

median =74

14) mode=80

mean=73

median=70

15)mode=70

mean=74

median=75

16)mode-no mode

mean=51

median=45

17)mode=86

mean=55

median=77

18)mode=no mode

mean=79

median=78

19)mode=70

mean=77

median=79

hope that helps :D

8 0
3 years ago
Read 2 more answers
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