Please help me i really need help!!!!!!!??????

Answers

Answer 1

Answer: 1.
subsitute and solve
y<1/5x
and
y>4x-3
4x-3<y<1/5x
try each one and solve
(5,1)
x=5,y=1
4(5)-3<1<1/5(5)
20-3<1 is already false so this is not a solution

(0,0)
subsitute
4(0)-3<0<1/5(0)
0-3<0<0
true

(-2,-3)
x=-2,y=-3
4(-2)-3<-3<1/5(-2)
-8-3<-3<-2/5
-11<-3<2/5
true

(2,5)
4(2)-3<5<1/5(2)
8-3<5 is already false so the answers are (0,0)and (-2,-3)

2.

remember that the y axis runs up and down and the x axis runs left to right

on the y axis, up is positive and down is negative
on the x axis, right is positive and left is negative

they are written in (x,y) form
notice that there are not points to the left side of the origin (0,0) or the center so therefor there are no points/solutions where x is negative (remember that x is the left number)
so we can cross out (-1,0)

remember that if the second number (x,y) y=second number is equal to zero, then he point is on the x axis
(2,0) is in the part of the screen shown so that is the answer

answers are
1. (0,0) and (-2,-3)
2. (2,0)

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Mr.Roberts see a rare 1937 penny.the cost of the penny is $210.if he saves $a week,Mr Roberts have enough money to buy the penny in one year

Answers

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PLEASE HELPDebra saved only dimes and nickels in her bank when she last counted the coins she noticed there were twice as many dimes as nickels she had $4.75 in her bank how many dimes did she have in her bank?

A. 38
B. 24
C. 12
D. 19

Answers

Answer:

A. 38

Step-by-step explanation:

Let d = number of dimes.

Let n = number of nickels.

First equation:

There are twice as many dimes as nickels. The number of dimes is 2 times the number of nickels. The first equation is:

d = 2n

Second equation:

The value of a dime is $0.10. The value of a nickel is $0.05. The value of d number of dimes is 0.1d. The value of n number of nickels is 0.05n. The total value of d dimes and n nickels is 0.1d + 0.05n. We are told the total value of her dimes and nickels is $4.75. That gives us the second equation:

0.1d + 0.05n = 4.75

We have two equations and two unknowns, so we can answer this question by solving a system of two equations in two unknowns.

d = 2n

0.1d + 0.05n = 4.75

We will use the substitution method.

Since d = 2n, replace d in the second equation with 2n.

0.1(2n) + 0.05n = 4.75

0.2n + 0.05n = 4.75

0.25n = 4.75

n = 4.75/0.25

n = 19

Now that we know the number of nickels, we use the equation d = 2n to find the number of dimes.

d = 2n

d = 2 * 19

d = 38

Answer: Debra had 38 dimes.

Answer:

Step-by-step explanation:

6/4 in reduced is 1 2/4 I need help now

Answers

Its actually reduced to 3/2. What you do is fin the greatest common factor in both numbers which is 2 and divide them by 2. Which will get you 2/3.

In 2008 the population of 10 to 14-year-olds in the United States was 24 84163 right this number in expanded form

Answers

(2,000,000) + (400,000) + (80,000) + (4,000) + (100) + (60) + (3) = 2,484,163

Gloria bought each of her three younger siblings a movie ticket find total cost of a movie ticket if each ticket cost $9.75 justify your answer by using the distributive property.

Answers

$29.25 because since each ticket costs $9.75 for three kids, then in total it will be $29.95

find the answer to 9.75 x 3.
this is how you would use the distributive property 3(9.75)

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Answers

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