which of the following systems of equations would have infinitely many solutions?

y=4x-1 and 4x+5
y=x and y=0
y=2x-1 and y=2x-1
y=3x-2 and y=2x-3​

Answer:

$20.04

Step-by-step explanation:

$6.68 x 3 = $20.04

Answer:

un-realistic

Step-by-step explanation:

didnt hear a single "can I speak with your manager?"

Answer:

555

Step-by-step explanation:

You turn 30% into a decimal= 0.30

Then multiply 1850*0.30 which gets you 555

Answer:

x=-8

y=2

Step-by-step explanation:

Answer:

1.5

Use KCF to solve this problem

Answer:

1 1/2

Step-by-step explanation:

When dividing fractions, use Keep Change Flip, to get 3/4*2/1, this gives you 6/4, which is equal to 1 1/2

Answer:

1. B

2. Reflection

3. Refraction

Step-by-step explanation:

Answer:

[tex]a21 = - 15 + 5(21 - 1) \\ = - 15 + 105 - 5 \\ = 85[/tex]

85 the 21st term of the sequence.

An arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant.

here, we have,

an = -15 + 5(n – 1)

so,

a_21= -15+(21-1)5

      =-15+100

      =85

Hence, 85 the 21st term of the sequence.

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Answer:

699(0.90)(1.07)

Step-by-step explanation:

Given that:

Regular cost of couch = $699

Onsale percentage = 10%

Sales tax in purchase = 7%

Final price of couch :

New price at Selling percentage :

Regular price * (discount) * (sales tax percentage)

Regular price * (100% - 10%) * (100 + 7%)

699 * (1 - 0.1) * (1 + 0.07)

699 * 0.90 * 1.07

699(0.90)(1.07)

Answer:

14.6+4x

Step-by-step explanation:

permimeter=length(2)+width(2)

7.3+x would be the length

so if you multiplied (7.3+x)2, you would get 14.6+2x if you distributive property.

Then if you multiply the width, x, by 2, you get 2x.

So we would get 14.6+2x+2x when we add them together.

And that would be 14.6+4x if you combine like terms.

And that would be your answer.

Answer:

m = 33°

Step-by-step explanation:

x = 33°

from picture ;

x = m = 33°

n = y = 124

Answer:

3x+7

Step-by-step explanation:

Use long division or synthetic division. (3x^2+13x+14)/(x+2)

The length of the rectangular garden is 3x + 7

The given expression:

[tex]A = 3x^2 + 13x + 14[/tex]

the width of the garden = x + 2

let the length of the garden = y

To find:

The area of the rectangular garden is calculated as;

[tex]A = y(x + 2) = 3x^2 + 13x + 14\\\\y(x + 2) = 3x^2 + 13x + 14\\\\y = \frac{3x^2 + 13x + 14}{x + 2}[/tex]

Using long division method:

                         3x + 7

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

        x + 2 √ 3x² + 13x + 14

                  - (3x² + 6x)

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

                              7x + 14

                            - (7x + 14)

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

                                0

Thus, the length of the rectangular garden, y = 3x + 7

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Answer:

Step-by-step explanation:

A construction manager needs 12 workers to complete a building project in 54 days, we can write;

12 workers = 54 days

T find the number of workers needed to complete the same project in T days, we will write;

x workers = T days

Divide both equations

12/x = 54/T

Cross multiply

12T = 54x

x = 12T/54

x = 2T/9

Hence the number of workers needed to complete the same project in T days is 2T/9 workers

Answer

A) 4/11 B)7/11

Step-by-step explanation:

because there is 11 letters in PROBABILITY four are vowels and 7 are consonants. That means 4/11 chance can be a vowel

Answer:

A:

5 in 26

B:

19 in 26

Step-by-step explanation:

There are 5 vowels and 26 letters in the alphabet.

There are 19 consonants.

:)

Answer:

D: x=-4

Step-by-step explanation:

Answer:

Polynomial 1:

Simplified Form: 6x^2 - x - 1

Name by Number of Terms: trinomial

Polynomial 2:

Name by Degree: linear

Name by Number of Terms: binomial

Polynomial 3:

Simplified Form: 2

Name by Degree: constant

Step-by-step explanation:

Polynomial 1:

(x-1/2)(6x+2)

6x^2 - 3x + 2x - 1

6x^2 - x - 1

It has 3 terms, so it's a trinomial.

Polynomial 2:

There is one term with x and x is raised to the first degree, so it's linear.

There are 2 terms, so it's a binomial.

Polynomial 3:

4(5x^2-9x+7)+2(-10x^2+18x-13)

20x^2 - 36x + 28 -20x^2 + 36x - 26

28 - 26

2

Since there are no variables and the answer is just 2, it's a constant.

the graphing would be easier to use because it demonstrates the numbers that are in the situation

Answer:

its the second one

Step-by-step explanation:

Answer:

No

Step-by-step explanation:

The reason why is the square root of 3^2 + 6^2 does not equal 8^2.

Answer:

E

Step-by-step explanation:

the only one where all the pieces of the equation have the same signs

Answer:

10.5cms

Step-by-step explanation:

PLEASE FOLLOW ME

CAN WE BE FRIENDS

Answer:

$29.14

$86.68

Step-by-step explanation:

$30 before tax

Discount: 20%

100% - 20% = 80% = 0.8

0.8 * $30 = $24 after discount

Tax: 6.4%

100% + 6.4% = 106.4% = 1.064

1.604 * $24 = 25.54 after tax and discount

Tip: 15% = 0.15

0.15 * $24 = $3.60

Total = $25.54 + $3.60 = $29.14

$75 before tax

10% discount

100% - 10% = 90%

90% of $75 = 0.9 * $75 = $67.50 after discount

Tax: 7%

100% + 7% = 107% = 1.07

1.07 * $67.5 = $72.23 after discount and tax

Tip: 20% = 0.2

0.2 * $67.50 = $13.50

Total = $72.23 + $13.50 = $85.73

Answer:

22.75 hours per week

Step-by-step explanation:

We can see from the question that the target amount of money is $190.00 per week.

If Lauren Rodriguez earns $8.35 in one hour

then $190.00 will be earned in x hours

8.35x = 190.00

x = 190.00/8.35

x = 22.75 hours per week

Answer:

136

Step-by-step explanation:

Answer:

dfghdfgh

Step-by-step explanation:

Answer:

26285.71

Step-by-step explanation:

sum all income

divide by number of incomes

Answer:

$14.04

Step-by-step explanation:

13 + 1.04 = $14.04

Answer:

Step-by-step explanation:

to find out the price

with the sales tax

13*8/100=1.04

13+1.04=14.04 is the final price

Answer:

125g butter

250g caster sugar

100g flour

125g walnuts

5 egg whites

I THINK

Answer:

Step-by-step explanation:

just do x2.5

Answer:

2.5 inches

Step-by-step explanation:

Remember:

Big to small, multiply it all

Small to big, divide the pig

Since feet is bigger than inches we're dividing 25 by 10 which is 2.5

Answer:

The other socks cost 9$.

Step-by-step explanation:

Answer:

(5,4)

Step-by-step explanation:

multiply each equation by the value that makes the coefficients of x opposite

(-1) · (4x + 6y) = (-1) · 44

4x + 2y = 28

simplify

-4x - 6y = -44

4x + 2y = 28

add the two equations together to eliminate x from the system

      -4x - 6y = -44

+      4x + 2y = 28

              -4y = -16

divide each term by -4

y = 4

substitute the value for y into one of the original equations, then solve for x

-4x - 6y = -44

-4x - 6(4) = -44

-4x - 24 = -44

     + 24   + 24

-4x = -20

divide by -4

x = 5

so, since x = 5 and y = 4 ....

the solution to the independent system of equations can be represented as a point.

(5,4)

hope this helps! :)

Answer: 320 miles

Step-by-step explanation:

Let the miles that they drove be represented by x.

Since Sarah drove two-fifths of the miles which is 128 miles, then the total miles would be:

= 2/5 × x = 128

0.4 × x = 128

0.4x = 128

x = 128/0.4

x = 320

The total miles is 320 miles.