**Answer:**

1. 30

2. 0.83333333

3. 1.2

4. 30

**Step-by-step explanation:**

H is the only reasinable decimal

Evaluate the following expression when x = -1, y = 2, z = -3, and

w = 4.

x² - y²

**Answer:**

-3

**Step-by-step explanation:**

-1*-1=1

2*2=4

1-4

=-3

It cost Samantha $4.23 to send 47 text messages. How much does each text cost to send?

**Answer:**

456

**Step-by-step explanation:**

**Answer:**

i think its 0.09

**Step-by-step explanation:**

How can you graphically tell if a quadratic equation will have a complex solution?

**Answer:**

If it does not cross the x axis.

**Step-by-step explanation:**

If the quadratic equation does not cross the x axis (or more specifically, if the quadratic is an *upward opening* parabola and the vertex is *above* the x axis, or if the quadratic is a *downward opening* parabola and the vertex is *below *the x axis), it will have no real solution

The fundamental theorem of algebra says that quadratics must have 2 solutions, so the solutions must be imaginary.

if the equation doesn’t cross the X-axis

Simplify 9 to the 2nd power\ 9 to the 7th power

**Answer:**

9^2/9^7 = 9^-5

**Step-by-step explanation:**

PLEASE HELP!!! IF YOU GIT IT RIGHT I WILL GIVE YOU 90 BRANLY POINTS !!! Which of the following equations is not a proportion? 14/7 = 7/3.5, 1.5/3 = 3/9, 22/33 = 4/6, 2/3 = 142/213

**Answer:**

1.5/3=3/9

**Step-by-step explanation:**

1.5/3=1/2 when 3/9=1/3

I hope this helps :)

**Answer:**

1.5/3 = 3/9 is not a proportion

**Step-by-step explanation:**

1.5/3 = 3/9

1.5 divide by 3 is 1/2 but 3 divide by 9 is 1/3 which makes it not proportional

Pls Help me. I will mark brainlist.

**Answer:**

The second answer

**Step-by-step explanation:**

Because if you subtract a negative from an equation you get positive (two negatives make a positive)

Divide n by 5 then add 6

**Answer:**

n+30/5

**Step-by-step explanation:**

Simplify n/5

n/5+6

Rewrite the whole as an equivalent fraction

2.1 Add an integer to a fraction

Rewrite the whole as a fraction using 5 as the denominator: 6= 6/1=6×5/5

Equivalent fraction: the fraction thus generated looks different but has the same value as everything.

2.2 sum of the two equivalent fractions add two equivalent fractions that now have a common denominator

Combine the numerators, place the sum or difference over the common denominator, and then reduce to the lowest terms of possible:

n+6×5/5=n+30/5

Solving each proportions 10/8=n/10

**Answer:**

n=12.5

**Step-by-step explanation:**

10/8=n/10

multiply the denominator and numerators 10 ad 10=100 divide by 8=12.5

Using these clues, make a quadilateral. Write the name and each side. What is the perimeter?

1. rectangle with sides 7 feet

2. 7feet

3. 10 feet

4. 10feet

**The name of my shape is a parallelogram. The sides are:**

The perimeter is 34 feet because:

Step 1: Add smaller groups.

10 + 10 = 20

7 + 7 = 14.

Step 2: Add the two numbers.

14 + 20 = 34.

Hope this answer helps you!

A carpenter has less than 120 minutes to spend painting furniture each day. Today, he has spent 30.5 minutes painting a desk. Now he will paint x chairs, each of which takes 12.5 minutes. What is the maximum number of chairs the carpenter can paint?

Answer:

Maximum number of chairs is 7.

Step-by-step explanation:

We are told he has less than 120 minutes to spend painting furniture each day.

Now he has spent 30.5 minutes painting a desk.

Also, he wants to paint "x" number of chairs with each chair taking 12.5 minutes.

Thus, we have;

30.5 + 12.5x < 120

Subtract 30.5 from both sides to get;

12.5x < 120 - 30.5

12.5x < 89.5

x < 89.5/12.5

x < 7.16

Thus, maximum number of chairs he can paint is 7

Before i thought the dividing functions

What is the question??

Han made some hot chocolate by mixing 4 cups of milk with 6 tablespoons of cocoa

tfff am I supposed to do about this

The distance light travels in one year is known as a light year. A light year is equal to 5.87 × 1012 miles. The closest that Earth ever gets to Jupiter is 3.65 × 108 miles. What is a correct representation of the number of years it will take light to travel from Earth to Jupiter at this distance? Check all that apply.

**Answer:**

[tex]6.21\times 10^{-5}\ \text{light years}[/tex]

**Step-by-step explanation:**

The distance light travels in one year is known as a light year.

[tex]1\ \text{light year}=5.87\times 10^{12}\ \text{miles}[/tex]

The closest that Earth ever gets to Jupiter is [tex]3.65\times 10^8\ \text{miles}[/tex]

[tex]3.65\times 10^8\ \text{miles}=\dfrac{1}{5.87\times 10^{12}}\times 3.65\times 10^8\ \text{light years}\\\\=6.21\times 10^{-5}\ \text{light years}[/tex]

**Hence, the distance it will take light to travel from Earth to Jupiter at this distance is **[tex]6.21\times 10^{-5}\ \text{light years}[/tex]

I really need help..

Thanks!

$54 morning $60.75 afternoon. So $114.75 all together. Rounded to $100

Given m//n, find the value of x

**Answer:**

117 is the value of you Question

**Step-by-step explanation:**

a printer can print 12 pages in 9 seconds what is the closest estimate of the number of pages it can print in 1 min

**Answer:**

estimated number of pages it can print will 80 in 1 min.

**Step-by-step explanation:**

If 12 pages/9 Seconds then by multiplying by 60 secs as there are 60 secs in 1 min.

we get

12/9 then multiply by 60 you will get 80 pages in 1 minute.

Number of pages a printer can print in 9 seconds = 12 pages

Number of pages than can be printed in 1 second =

= 12/9

= 1.3 pages

Number of pages that can be printed in 1 second = 0.75 page

Number of pages that can be printed in 1 minute =

= 1 minute = 60 seconds

Number of pages that can be printed in 60 seconds =

= 1.3 × 60

= 78 pages

Rounding off 78 , we get 80 .

Therefore , **8****0**** ****pages** can be printed in 1 minute .

how do i graph 2x+4y=12

**Answer:**

(0,3) (6,0)

**Step-by-step explanation:**

Find the value of x.

**Answer:**

sdf

**Step-by-step explanation:**

sdff

**For the first one, 132 and 4 + x make a straight line, and a straight line is 180 degrees, so:**

**132 + 4 + x = 180**

**Add 132 and 4.**

**136 + x = 180**

**Subtract 136.**

**x = 44**

**You are right!**

**For the second one, 68 + x + 9 form a right angle, and a right angle is 90 degrees, so:**

**68 + x + 9 = 90**

**Combine 68 and 9.**

**77 + x = 90**

**Subtract 77.**

**x = 13**

**Hope this helps**

Which table represents a function?

**Answer:**

The table that starts with (-3, -1)

**Step-by-step explanation:**

For a table to represent a function the x value has to be different number. Such as, the other tables one has two -5, two -2, two -4 and etc. Do you get it

**Answer: the first box **

**-3 -1**

**0 0**

**-2 -1**

**8 1**

**Step-by-step explanation: the x value can not repet it self but the y value can **

write a real world problem that can be solved using the distributive property

**Answer:**

10 + 2. 3(10 + 2) = ? something like that I think .

**Step-by-step explanation:**

plz help me with this i do not understand math stuff

**Answer: Pink choice: y= -6x -2**

**Step-by-step explanation:**

In order to be parallel, the slope must be the same. You find the slope as the number or fraction connected to x. *("co-efficient" of x in math talk)*

In the given equation, that is -6. (So that knocks out the first two choices)

The other thing to look at is the y-value of the given coordinate,(-1,4)

*(The y-value is the second number in the coordinate (x.y) is the pattern)*

and compare it to the the last number in the equations in the choices and Here the Yellow choice has y= -6x + 4 so this line can't pass through the coordinate given, because +4 in this equation is where the line crosses the y-axis. ("y-intercept" in math talk) So yellow choice is out!

**The attachment shows what the graphs of the choices look like.**

The black line is the correct answer. The given coordinate (-1,4) is the labeled red spot. The blue line is the given equation. (You can see where it "intercepts the y-axis on the +3) And the green line also has the -6 slope, but misses the point and intercepts the y-axis at 4.)

I hope the diagram and explanation helps you understand better. It can be confusing.

suppose that there were a positive correlation between the variables u and v. if v is 24 when u is 10, which of these is most likely to be the value of v when u is 20?

Answer: 48

Step-by-step explanation: I got it wrong and it said the correct answer was 48

This year, there were 25% fewer sunny days than last year. That’s my question.

If there were 25% fewer sunny days this year than last year, then there were 25% more sunny days last year than this year and the number of sunny days in the coming year is unknown.

Brad sells each cup of lemonade for $0.50 he wrote.

**Answer:**

What are we supposed to solve??? its incomplete

**Step-by-step explanation:**

Draw diagonals ACand BDon rectangle ABCD. Measure and record the lengths of the diagonals.

**Answer:**

Diagonal Length

AC 7.21

BD 7.21

**Step-by-step explanation:**

**Answer:**

Diagonal | Length

AC | 7.21

BD | 7.21

**Step-by-step explanation:**

-edmentum

someone please help! I’ll give brainliest!!

The images are similar. The scale factor is 3/4, but may also be 4/3 depending on which image is the original one. I would go with 3/4.

Flavia needs to build a fence around her dog house, as illustrated on the coordinate grid below. If each unit represents 1 foot, what is the total length of Flavia’s fence in feet?

**Answer:**

I would say your answer is (D

Plsss helppppssssss me :< and explain thatttttt

**Answer:**

you need to take a better picture nobody can see that i not trying be be rude

**Step-by-step explanation:**

**Answer:**

upload clear picture, it is very easy

**Step-by-step explanation:**

12=6x+3y solve for y

**Answer:**

1 1/3 = y

**Step-by-step explanation:**

12 = 6x + 3y

12 = 9y

12/9 = y

1 1/3 = y

Hope this helped!

What is 13 / 143 as a unit fraction

**Answer:1/11**

**Just got it using some brain cells >:)**

**Answer:**

1/11

**Step-by-step explanation:**

13/143=1/11

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Solve both please 7th grade math
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PLEEAASSEE HEELLPP MEE I NEED THIS ANSWER TO FINISH THE LAST QUESTION!!!!
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