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3 years ago

Can someone please help me with this and I need it today

Mathematics

1 answer:

viva [34]3 years ago

3 0

Answer:

Step-by-step explanation:

rule for line c: y=x+3

x y

0 3

1 4

2 5

3 6

I was able to determine the rule because line c has a slope (m) of 1 (it goes up one and sideways one each time). Its y int. is at 3, so that means 3 is b in the equation y= mx+b

Rule for line D: y=1/2x

x y

0 0

2 1

4 2

6 3

Line d is y=1/2x becaise it goes up 1 and then sidewys 2, so slope (m)= 1/2. There is no b becase it crosses the origin.

(-2,-1) (-4,-2) (-6, -3) just extend the line with a ruler.

hope this helps! :)

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Justine charges $25 to wash a dog. She washed 5 dogs on Saturday and then some more on Sunday. She made $325 for the weekend. Ho

Marrrta [24]

Answer

• A. Equation: 25(5 + x) = 325

• B. Answer: 8 dogs

Explanation

Given

• Charge to wash a dog: $25.

• She washed 5 dogs on Saturday and then some more on Sunday.

• She made $325 for the weekend.

Procedure

She charges $25 per wash, she made $325 for the weekend, and we know that on Saturday she washed 5 dogs, but we don't know how many she washed on Sunday. Thus, we have to build an equation in which the number of dogs washed on Sunday is represented by x (as we do not know the real number).

Considering that the total money made has to be equal to the multiplication of the charge times the dogs washed, the equation is:

$25(5+x)=325$

Then, we have to solve for x to know how many dogs did she wash on Sunday.

0. Multiplying the parenthesis

$125+25x=325$

2. Subtracting 125 from both sides of the equation

$125-125+25x=325-125$ $25x=200$

3. Dividing both sides of the equation against 25

$\frac{25x}{25}=\frac{200}{25}$ $x=8$

8 0

1 year ago

Your beginning balance on your lunch account is $55. You buy lunch for 1.75 everyday and sometimes buy a snack for $0.85 after 2

Agata [3.3K]

Multiply 1.75 with 25 because you bought snacks everyday and then you’re left with 11.25

Now subtract .20 because you were left with that on day 26 and you get 11.05

Lastly you divide 11.05 with .85 to see how many snacks you bought

ANSWER IS 13 snacks

3 0

3 years ago

What is the distance between -15.5 and -8.7? A: 24.2 B:7.2. C. 6.8 D. -24.2

garri49 [273]

B. 7.2

Step-by-step explanation:

-15.5+7.2=(-8.7) and vice versa.

5 0

3 years ago

Solve for n: 3n + 2 – n = -4

Sav [38]

The value of x is -3, or x= -3

6 0

3 years ago

The sum of two numbers is 36 . one number is 3 times as large as the other. what are the numbers?

gayaneshka [121]

X= one number
3x= the other number

Add the two numbers together.

x + 3x= 36
4x= 36
x= 9

Other Number
=3x
=3(9)
=27

ANSWER: The numbers are 9 and 27.

Hope this helps! :)

8 0

3 years ago