V = 5x + 2y
x= 3
y=-4
a) Work out the value of V
b) Expand 3p(p + 5)
c) Solve 4(k - 6) = 20

Answers

Answer 1

Answer:

a.7

b.

[tex]3 {p }^{2} + 15p[/tex]

c.k=11

Step-by-step explanation:

a.V=5x + 2y ,x=3,y= -4

V=5(3)+2(-4)

=15+(-8)

=15-8

=7

b.3p(p + 5)

=

[tex]3 {p}^{2} + 15p [/tex]

c.4(k-6)=20

4k-24=20

4k-24+24=20+24

4k=44

4k/4=44/4

k=11

hope it's helpful ❤❤❤❤

THANK YOU.

#


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Answer:

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John used 5/6 of a tank of gas each day while traveling to the Super Bowl. He drove for 9 days in a row . How much gas did he use in all.

Answers

Answer:

7 1/2 tanks of gas

Step-by-step explanation:

5/6 • 9

= 45/6

Simplify.

7 1/2 tanks of gas in all

Answer:

7 1/2

Step-by-step explanation:

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A school rewards students for good work by giving them merit points.
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Sarah has four times as many merit points than James.
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Answer:

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time spent fishing and the amount of bait in the bucket

Answers

Is this a math problem? I don’t see a picture.

Answer:

not proper information is given

Which expression best represents “7 fewer than 4 times a number x”?

Answers

Answer:

4x-7

Step-by-step explanation:

(Blank)% of 600,000= 120,000

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Answers

Answer:

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Step-by-step explanation:

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Use inverse operations to solve for x, keeping the equation balanced at all times.
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What do I do?

Answers

You move the 7 to the right side. Making it x=20-7
x=13

Can someone please tell me the degree measure of angles 1,2 3 and 4?
It’ll help even more if you explain.

Answers

Answer:

angle 1 is 42

angle 2 is 138

angle 3 is also 42

Step-by-step explanation:

for angle 1, I don't remember what the exact rule was but basically since they are opposite of each other they are equal

for angle 2 all you have to do is subtract 42 from 180 because line n is at an angle of 180 and line m simply splits it into two pieces

for angle 3, I dont remember what the exact rule is or hot to explain it well but it is also 42

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measures?
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m21 + m22 = 100°
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m21+ m 22 = 2009
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Answers

angle 1 + angle 2 = 180 degrees

Step-by-step explanation:

supplementary angles add up to 180

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Answers

Why they look like that

Answer: Mulan= Shan yu

Kuzko= Yzma

Hercules= hades

Step-by-step explanation:

what is 512.3 divided by 10

Answers

Answer:

51.23

Step-by-step explanation:

Hi !

So basically all you need to do with an equation like this move the decimal.

And the direction you move it depends on the value of the largest digit as well as if it is larger or smaller than 0.

So lets look at 10 and make it 10.0 so its a decimal and make things a bit easier.

So 10.0 is just one digit moved in the decimal world. (100.0 would be 2, 1000.0 would be 3, and so on.)

And 10.0 is greater than 0.

Greater than 0 = Move decimal left

Less than 0 = Move decimal right

So now we know to move one space to the left.

512.3

>

One to the left

>

51.23

And its that easy, that is your answer.

I hope this helps!

If you have any questions or concerns please let me know!

Ms.Lee bought some Reese and a bag of chips. They cost $4.36 altogether. The chips cost $1.60 more than the Reese. How much did the Reese cost?

Answers

Answer: $1.38

Step-by-step explanation:

Let the value of the Reese be represented by x

Since the chip cost $1.60 more than the Reese, then the chip will be:

= x + 1.60

Since they cost $4.36 altogether, the value of the Reese will be:

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2x = 4.36 - 1.60

2x = 2.76

x = 2.76/2

x = 1.38

The Reese cost $1.38

Answer:

1.36

Step-by-step explanation:

Solve for b.
b = ✓ [?]
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Pythagorean Theorem: a2 + b2 = c2
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Answers

Answer:

161

Step-by-step explanation:

8² + b² = 15²

first square 8 = 64

then square 15 = 225

ok.

225 - 64 = 161...

AHHHHHH AGAIN!?
so someone helped me understand how to do long division again! ty, i just need to know...

what is this?
ima give the crown again for this one as well (also 20 points for this!) (sorry if im bothering anyone!!)

Answers

Answer:

The anwser is 321.6 I hope it helps

PLEASE HELP YOULL GET 20 POINTS
Suppose a movie rental company charges $9.99 per month plus $1.25 for every movie rented.
A. Write a function rule that represents the relationship between the number of movies rented in a month and
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b.
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Answers

Answer:

9.99+ 1.25x. X represents the every movies rented. I think my answer matches b, I am not sure.

Step-by-step explanation:

what they said^^^:))

Subtract -5x^2+7x+1 from 8x^2+x-10
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Answers

Answer:

3x² + 8x - 9

Step-by-step explanation:

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=3x² + 8x - 9

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Answers

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Alejandro decided on purchasing a $160,000 home. At closing he brought a check for $4940. The closing costs were as follows:

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Answer: 1

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Determine whether the relationship being represented is linear, exponential or neither.

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linear
B.
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F(x)=bx^2+32 For the function f defined above, b is a constant and f(2)=40. What is the value of f(-2)?

Answers

Answer:

f(-2) = 0

Step-by-step explanation:

Given that:

f(x) = bx^2 + 32

f(2) = b(2)^2 + 32

f(2) = 4b + 32

f(2) = 4b = -32

f(2) = b = -32/4

f(2) = b = -8

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f(-2) = -32 + 32

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Step-by-step explanation:

yessir

2000x 41- 3026555987623

Answers

Answer:

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Step-by-step explanation:

.....

3 Mei is a park ranger at Death Valley National Park in California.
She records the elevation relative to sea level at different points
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-32.6
24.7
-8.3
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- 8.4
a. What is the mean of the elevations? Show your work.

Answers

Answer:

It is the quarter fourth of the elevation  

Step-by-step explanation:

The meaning of elevations is a high above meaning level

Answer:

Step-by-step explanation:

The mean is just the arithmetic average, the sum of numbers divided the number of terms.

m=(-32.6+24.7-8.3+19.1-8.4)/5

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This is a practice delta math but i need help.

Answers

Answer:

it is the one that goes [tex]a_{n} =10(-2)^{n}[/tex]

Step-by-step explanation:

10 is the starting term a(sub 1). 2 is r or the common ratio and n is the term number you want to find. I hope this helps!


Which of these describes the equation –18x + 9y = –416?
A
The equation is not linear because it has 2 variables, not 1.
B
The equation is not linear because it is not in the form y = mx + b.
С
The equation is linear because it has variables with exponents of 0.
D
The equation is linear because it can be rewritten in the form y = mx + b.

Answers

Answer:

We conclude the equation is linear because it can be rewritten in the form [tex]y = mx + b[/tex].

Hence, option D is correct.

Step-by-step explanation:

The slope-intercept form of the line or linear equation

[tex]y = mx+b[/tex]

where

[tex]m[/tex] is the slope[tex]b[/tex] is the y-intercept

Important Tip:

The graph of a linear equation is always a straight line.

Convert the given equation in the slope-intercept form

[tex]18x + 9y = -416[/tex]

subtract 18x from both sides

[tex]18x+9y-18x = - 18x-416[/tex]

simplify

[tex]9y = -18x - 416[/tex]

divide both sides by 9

[tex]y=-2x-\frac{416}{9}[/tex]

Now, comparing the equation [tex]y=-2x-\frac{416}{9}[/tex] with a slop-intercept form of linear equation

The slope m = -2The y-intercept b = -416/9

Therefore, we conclude the equation is linear because it can be rewritten in the form [tex]y = mx + b[/tex].

From the attached graph, is also clear that the graph of the equation [tex]y=-2x-\frac{416}{9}[/tex] is a straight line.

Hence, option D is correct.

Answer:D

Step-by-step explanation:

an equation has a slope of -14 and passes through the point, (1,0) what is the slope of the equation of the line when written in slope-intercept form

Answers

Answer:

y= -14x +14

Step-by-step explanation:

Answer:

y= -14x +14

Step-by-step explanation:

Solve for x

-4 + x _< 9

Answers

Answer:

Step-by-step explanation:

what is the underscore for?

Answer:

your answer should be x < 13

Step-by-step explanation:

Hope this helps and have a nice day :)

Jamie drank 4 times as much juice as Brodie. Jamie drank 280 milliliters of juice.How much did Brodie drink ?

Answers

Answer:

Brodie drank 70 milliliters

Step-by-step explanation:

280 divided by 4 equals 70

To check: 70 x 4 = 280

Hence, the Brodie drink [tex]280[/tex] milliliters.

What is the simplification?

Simplification is reducing the expression/fraction/problem in a simpler form. It makes the problem easy with calculations and solving.

Here given that,

Jamie drank four times as much juice as Brodie. Jamie drank [tex]280[/tex]milliliters of juice.

So,

[tex]\frac{280}{4}=70[/tex] millilitres

And, Jamie drank four times as much juice as Brodie

[tex]70[/tex] x [tex]4[/tex] = [tex]280[/tex]

Hence, the Brodie drink [tex]280[/tex] milliliters.

To know more about the simplification

https://brainly.com/question/12795317

#SPJ2

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