Determine whether(-8,-3) is a solution of 2x -8=1 is (-8,-3) a solution to the equation ?

Answer:

[tex] \boxed{ \: company : B : \: } \\ \underline{ \boxed{ has \: a \: proportional \: relationship}} [/tex]

Step-by-step explanation:

[tex]let \: company : A : weight \: and \: cost\: be \to \: w_A \: and \:c_A \\ let \: company : B : weight \: and \: cost\: be \to \: w_B \: and \:c_B \\ \underline{\boxed{ \: company : A : \:} } \\ if \to \: c_A \infty w_A \\ c_A = k w_A \\but \to : \\ k = \frac{c_A}{w_A} = \frac{10.55}{1} \not= \: \frac{10.85}{2} \not= \frac{11.15}{3} \\ therefore \to : \\ \boxed{ \: company : A : \: } \\ \underline{ \boxed{ has \: no \: proportional \: relationship}} \\ \\ \underline{\boxed{ \: company : B : \:} } \\ if \to \: c_B \infty w_B \\ c_B = k w_B \\but \to : \\ k = \frac{c_B}{w_B} = \frac{2.75}{1} = \frac{5.5}{2} = \frac{8.25}{3} = 2.75 \\ hence \to : \\ \boxed{ \: company : B : \: } \\ \underline{ \boxed{ has \: a \: proportional \: relationship}} [/tex]

Answer: 2

Step-by-step explanation: use the slope formula y2-y1/x2-x2

-4-4/-2-2=-2

(both equations above should be fractions when read)

Answer: t=5

Step-by-step explanation:

A-3,9

Step-by-step explanation:

Answer:

9

Step-by-step explanation:

I multiply 52 and 83 and get 4316. 4892 - 4316 is 576. 576 divided by 64 is 9!

Answer: they sold 35 skis and 48 snowboard

Step-by-step explanation:

52 x 35 = 1820

64 x 48 = 3072

1820 + 3072 = 4892

Step-by-step explanation:

Amount borrowed=400

interest rate=4%

Amount of interest after x years =0.04XxX400=$16x

Total to be paid back=400+0.04XxX400=400+16(1)

1) the amount of interest.if Franco pays back the loan in x=1 years is

16x1=$16

2) the amount of interest,if Franco pay back the loan in x=2 years is,

16x2=$32

3) the amount of franco will pay the lender after 2 years will be

400+(16x2)=400+32=$432

Answer:

y=5x

Step-by-step explanation:

slope =5

y intercept= 0

Answer:

-x²+3x-8

Step-by-step explanation:

Given polynomials are :

f(x) = (x+2)²

p(x) = 7x−4

We need to find a simplified polynomial when f(x) is subtracted from p(x) i.e.

p(x) - f(x) = 7x−4 - (x+2)²

We know that, (a+b)² = a²+b²+2ab

So,

p(x) - f(x) = 7x−4 -(x²+2²+2(x)(2))

= 7x−4 -(x²+4+4x)

= 7x−4-x²-4-4x

= -x²+3x-8

Hence, the result will be -x²+3x-8.

Ans23.0

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

Answer:

4000m

1k =1000m

Step-by-step explanation:

Answer:

50

Step-by-step explanation:

Correct question

-16/5, 8, -20. What is the next term of the geometric sequence.

The nth term of a geometric sequence is expressed as:

Tn = ar^n-1

From the sequence:

a is the first term = -16/5

n is the number of term = 4(since next term is 4th term

r is the common ratio = (8)÷(-16/5) = 8×-5/16

r = -5/2

Substitute the given values into the formula

T4 = -16/5(-5/2)^4-1

T4 = -16/5(-5/2)³

T4 = -16/5×-125/8

T4 = -16/8×-125/5

T4 = -2×-25

T4 = 50

Hence the next term is 50

Answer:

Step-by-step explanation:

Answer:

[tex]\displaystyle m=\frac{-2}{11}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Step-by-step explanation:

Step 1: Define

Point (-7, 0)

Point (4, -2)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Answer:

try adding them togeher

Step-by-step explanation:

Answer:

Carole has $53.95 and washes cars for $8 each. Carole wants to attend a musical that costs $145.75.

a. Write and solve an inequality to determine the minimum number of cars Carole must wash to be able to buy the ticket to the musical.

b. Is the answer to the question that same as the solution to the inequality? Explain.​

2

SEE ANSWERS

Step-by-step explanation:

Answer:

C 1 5

Step-by-step explanation:

that's ur answer I hope it's correct

Answer:

x=−8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−7(x+5)=21

(−7)(x)+(−7)(5)=21(Distribute)

−7x+−35=21

−7x−35=21

Step 2: Add 35 to both sides.

−7x−35+35=21+35

−7x=56

Step 3: Divide both sides by -7.

−7x/−7 = 56/−7

x=−8

Answer:-

Distributed: -7x+(-35)=21    Simplified: x=-8

Step-by-step explanation:-

Distributed:

-7(x+5)=21

(x*(-7))+(5*(-7))=21

-7x+(-35)=21

Simplified:

-7x-35=21

-7x=21+35

-7x=56

x=-8

Answer: you didnt show any graphs but it should be plotted like this

Step-by-step explanation:

Answer:

yes I can

Step-by-step explanation:

1/9÷2/5

=0.011111111111

=1⁄90

Answer:

15,211 feet

Step-by-step explanation:

According to the question,  given data are as follows:

Airplane altitude = 14,690 feet above

Submarine depth = 521 feet below

So, let the difference between these two elevation be d,

So, we can calculate difference by using following formula:

Difference = Airplane altitude + Submarine depth

By putting the value, we get

Difference = 14,690 + 521

= 15,211 feet

Answer: The tower's shadow is 60 feet long.

Step-by-step explanation:

We can use a ratio to solve this:

24/45 = 32/x

Cross multiply: (Numerator of left side times the denominator of right side, and denominator of the left side by numerator of right side.)

24x = 32(45)

24x = 1440  divide both sides by 24

x = 60

Answer: c. add 32

Step-by-step explanation:

Answer:

add 32

Step-by-step explanation:

it will solve for x

Answer:

to a function is increasing we have to find the slope of the function

the higher the slope the faster the growth

Step-by-step explanation:

so the function in increasing order

y= -1/2x + 1/2

y= 1/2x - 2

y=3/4x - 10

y=4/3x -7/3

y=3/2x-11/2

y=5/2x +10

Answer:

4th box

last box

5th box

3rd box

1st box

Step-by-step explanation:

n (not sure)

Step-by-step explanation:

Answer:

3/100

Step-by-step explanation:

1 m = 100 cm

Scale factor = 3/100

Hope it helps you

Answer:

the answer would be 3/100

Answer:

Step-by-step explanation:

Answer:

Mynd44

Step-by-step explanation:

Here, we want to check if the amount of money saved is enough to

by a tv

Mathematically, we have the simple interest formula as follows;

I = PRT/100

I = (80 * 2.1*10)/100

I = 1680/1000 = 1.68

Hence, she will not have enough

To figure out this problem, let's set up an equation first to make it easier:

702.50 = 5.5x + 70

x = amount charged per hour

702.50 = 5.5x + 70

-70                   -70

-----------------------------

632.5 = 5.5x

/5.5       /5.5

--------------------

115   =   x

Owen was charged $115 per hour