What are the ordered pairs of the solutions for the
following system of equations?

Answer:

A, D

Step-by-step explanation:

graphed each function and looked at graphs to determine which statements were true

The solution using the method of substitution are:

1) Substitution in mathematics is the name given to the process of swapping an algebraic letter for its value.

2) PEMDAS Order of operations

3) 8

4) 91

Substitution in mathematics is the name given to the process of swapping an algebraic letter for its value. Consider the expression 5x + 2. This can take on a range of values depending on what number actually is. If we are told x = 4, we can work out the value of the expression by swapping the for the number 4.

The substitution operation must follow the algebraic order of operations.

3) (x + 5)² - y when x = -2 and y = 1

Thus:

(-2 + 5)² - 1

= 9 - 1

= 8

4) 3x + 4y² when x = -3 and y = 5

Thus:

3(-3) + 4(5)² = -9 + 100

= 91

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Add all the times together:

10 + 25 + 15 = 50 minutes total.

For the ratio divide the time for weights by total time:

25/50 which reduces to 1/2

The ratio is 1/2

Answer:

15:50 = 3:10

3:10 is the answer

Answer:

12

Step-by-step explanation:

2x + 51 = 6x +3

48 = 4x

x = 12

Answer:

(4,0) and (0,-2)

Step-by-step explanation:

To find the intercepts, substitute a zero for the opposite letter so

to find y-int x = 0 so 3(0) - 6y = 12   so -6y = 12, so y = -2

to find x-int y = 0 so 3x - 6(0) = 12   so 3x = 12, so x = 4

Answer:

136 ft²

Step-by-step explanation:

floor = 7 x 6 = 42 ft²

sides = 2 x 7 x 5 = 70 ft²

ends = 1/2 x 6 x 4 x 2 = 24 ft²

42 + 70 + 24 = 136 ft²

Answer:

84 in²

Step-by-step explanation:

12+9=21

21x0.5=10.5

10.5x8=84

Answer: D

Step-by-step explanation: because the The plot has 20 dots and it cannot be greater than or less then

Answer:

31.42 in.

Step-by-step explanation:

the formula for circumference of a circle is 2 x pi x r(radius).

by inserting the number 5 into the formula, we get approximately 31.42 inches.

Answer:

about 31.42 inches

Step-by-step explanation:

2 pi r = 2 × pi × 3 = 31.41593 inches

i think i did the math right

Answer:

Step-by-step explanation:

Let us try factorizing this polynomial using splitting the middle term method.

Factoring polynomials by splitting the middle term:

We need to find two numbers ‘a’ and ‘b’ such that a + b =5 and ab = 6.

On solving this we obtain, a = 3 and b = 2

Thus, the above expression can be written as:

x2 + 5x + 6

= x2 + 3x + 2x + 6

= x(x + 3) + 2(x + 3)

= (x + 3)(x + 2)

Thus, x+3 and x+2 are the factors of the polynomial x2 + 5x + 6.

(p, q, p+q)

(1, 56, 57)

(-1, -56, -57)

(2, 28, 30)

(-2, -28, -30)

(4, 14, 18)

(-4, -14, -18)

(7, 8, 15)

(-7, -8, -15)

Use those pairs of numbers and their sums to fill in the three columns of your table.

Answer:

1) Factor the trinomial. Show ALL work:

(x-2)(x-3) steps see explanation

2) Factor the polynomial using grouping.

Group and factor out the greatest common factor (GCF), then combine.

[tex](5x-2) (x^{2} +5)[/tex]

4) Choose ONE of the following polynomial and factor completely.

15x2 − 35 = [tex]5 (3x^2-7)[/tex]

Step-by-step explanation:

x2−5x+6

The middle number is -5 and the last number is 6.

Factoring means we want something like

(x+_)(x+_)

We need two numbers that

Add together to get -5

Multiply together to get 6

Try -2 and -3:

-2+-3 = -5

-2*-3 = 6

Fill in the blanks in

(x+_)(x+_)

with -2 and -3 to get...

(x-2)(x-3)

4( Choose ONE of the following polynomial and factor completely,

15x^2-35

35 as 5*7

15 as 5*3

= 5*3x^2-5*7

Answer:

It's a scalene triangle

Step-by-step explanation:

There are different types of triangle

The equilateral triangle which has all sides and angle equal i.e 60 degrees each

The isosceles triangle which has two sides and two angle equal

The right angle triangle which has an angle of 90 degrees

Scalene triangle which all the sides and angle are of different sizes

Answer:

y = 3x + 2

Step-by-step explanation:

Answer:

8 + j = 35

subtract 8 from both sides

j = 27

Step-by-step explanation:

Answer:

4 i think

Step-by-step explanation:

If you fold this figure some times it should get it evenly

Answer:

All except irrational apply to the number 48

Answer: A confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)

Step-by-step explanation:

Confidence interval for mean: Mean ± Margin of error

Given: The  online store found the mean wholesale cost of one shipment of vases was ĉ = 54 dollars, with a margin of error of 5  dollars.

A confidence interval for the mean cost (in dollars) for one shipment of vases

[tex]=(54-5, 54+5)\\\\=(49,59)[/tex]

Hence,  a confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)

Answer:

I hope this helps dear

Step-by-step explanation:

P = 2(L + W) = 32 in

L = W + 4

2[(W + 4) + W] = 32 in ⇒

W = 6 in

L = W + 4 = (6 + 4) in = 10 in

A = LW = (10)(6) in2 = 60 in2

Answer:

yfvhbjnk.bdfxgvhjnmbgytfrgvnhjkm

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

5x10=50

5x2=10; 10x2=20

10x20=200

9514 1404 393

Answer:

 2) 1/3

Step-by-step explanation:

The repeating decimal can be converted to a fraction by multiplying it by 10^n and subtracting the original value. n = number of repeating digits. This process cancels all of the repeating digits, so you can find the equivalent fraction.

  [tex]x=0.\overline{3}\\\\10x -x=3.\overline{3}-0.\overline{3}=3\\\\x=\dfrac{3}{9}\\\\0.\overline{3}=\dfrac{1}{3}[/tex]

_____

Your calculator can help you answer this:

  1/5 = 0.2

  1/3 = 0.333.... (repeating) . . . . the number you're looking for

  3/10 = 0.3

  3/5 = 0.6

Answer:

A. 15

B. 25.6

C. 41.6

Step-by-step explanation:

You need to divide

Answer:

answer will be option c tan x

pls Mark as brainliest

9514 1404 393

Answer:

  (a)  2021

Step-by-step explanation:

The expression can be simplified.

  [tex]\displaystyle\frac{a^4+b^4+2a^2b^2+a^3b+ab^3}{a^2+b^2}+ab=\frac{(a^2+b^2)^2+ab(a^2+b^2)}{a^2+b^2}+ab\\\\=a^2+b^2+ab+ab=(a+b)^2\\\\=(\sqrt{2021})^2=\boxed{2021}[/tex]

Answer:

1 ft=12 inches

So mulitply 57 1/2 by 12

690

Step-by-step explanation:

Answer:

690 inches

Step-by-step explanation:

12 inch = 1 foot

1/2 ft * 12in = 6in

57 * 12 = 684

690 inches

Hope I helped :]

Answer:

The p-value for a two-tailed test of hypothesis is 0.0164.

Step-by-step explanation:

The test statistic is 2.4. Find the p-value for a two-tailed test of hypothesis.

This means that we look at the z-table, and we have to find:

[tex]P(|Z| > 2.4)[/tex]

Which is the pvalue of Z = -2.4 multiplied by 2, or 2 multiplied by 1 subtracted by the pvalue of Z = 2.4.

Looking at the z-table, z = 2.4 has a pvalue of 0.9918

1 - 0.9918 = 0.0082

2*0.0082 = 0.0164

The p-value for a two-tailed test of hypothesis is 0.0164.

Answer: 0.62

Step-by-step explanation: I got the answer

The probability that the next customer will pay with cash is 0.62

"It is finding out the possibilities of the occurrence of an event."

"P(A) = n(A) / n(S)

where, n(A) is the number of favorable outcomes of an event A

n(S) is the total number of outcomes for an experiment"

For given example,

in the last week 80 customers paid cash, 45 customers used a debit card, and 4 customers used a credit card.

So, the total number of customers:

⇒ n(S) = 80 + 45 + 4

⇒ n(S) = 129

Let event A: the next customer will pay with cash

n(A) = 80

So, the probability that the next customer will pay with cash would be,

⇒ P(A) = n(A)/n(S)

⇒ P(A) = 80/129

⇒ P(A) = 0.62

Therefore, the probability that the next customer will pay with cash is 0.62

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Answer:

6

Step-by-step explanation:

a =8

x = -10

(-3)(a +x)

(-3)(8 - 10)

(-3)(-2)

6