What is the area of a square that has sides that are 7 centimeters in length?

Yooooo what up how u doin ?

[tex]21.2x + c = 5.3(4x - 2.6)[/tex]

[tex]21.2x + c = 21.2 x - 13.78[/tex]

Subtract both sides 21.2x

[tex]21.2x - 21.2x + c = 21.2x - 21.2x - 13.78 \\ [/tex]

[tex]c = - 13.78[/tex]

There u go.... Don't have a good day , Have a great day ❤

[tex]f(x) = -6x^2 + 7x + 4[/tex]

Step-by-step explanation:

For x = 1

[tex]a(1)^2 + b(1) + c = 5 \Rightarrow a + b + c = 5[/tex] (1)

For x = -3,

[tex]a(-3)^2 + b(-3) + c = -71[/tex]

[tex]\Rightarrow 9a - 3b + c = -71[/tex] (2)

For x = 3,

[tex]a(3)^2 + b(3) + c = -29[/tex]

[tex]\Rightarrow 9a + 3b + c = -29[/tex] (3)

Let's add Eqn(2) and Eqn(3) together to eliminate b:

[tex]\Rightarrow 18a + 2c = -100[/tex] (4)

Next, multiply Eqn(1) by 3 and then add to Eqn(2) to get

[tex]\Rightarrow 12a + 4c = -56[/tex] (5)

Then we want to eliminate c by multiplying Eqn(4) by -2 and then adding to Eqn(5) and we will get

[tex]-24a = 144 \Rightarrow a = -6[/tex]

Now that we have the value for a, we can use either Eqn(4) or Eqn(5) to solve for c and we will get

[tex]12(-6) + 4c = -56 \Rightarrow c = 4[/tex]

Using the values of a and c on Eqn(1), we find that [tex]b = 7[/tex] so therefore, our function f(x) has a form

[tex]f(x) = -6x^2 + 7x + 4[/tex]

Answer:

560 mm (Answer D)

Step-by-step explanation:

Multiply the 7 mm measurement by 80; the result is 560 mm (Answer D).

Step-by-step explanation:

x = -12

y = x/2 + 9

y = -12/2 + 9

y = -6 + 9

y = 3

9514 1404 393

Answer:

Step-by-step explanation:

Let q represent the quantity of 25% solution in the mix. Then 180-q is the quantity of 10% solution. The quantity of acid in the mix is ...

  0.10(180 -q) +0.25(q) = 0.20(180)

  18 +0.15q = 36 . . . . simplify

  0.15q = 18 . . . . . . . . subtract 18

  q = 18/0.15 = 120 . . . . divide by the coefficient of q

  180-q = 60

The scientist should mix 120 mL of 25% solution with 60 mL of 10% solution.

Step-by-step explanation:

631/82000×100

=0.8

MARK ME BRAINLIEST PLSS!

Answer :-

Option 2

Step by step explanation :-

d (x) = -4x has an inverse .

Answer:

y = -1/5x - 1

Step-by-step explanation:

Perpendicular lines slopes are negative reciprocals of each other.

Write the given equation in the slope-intercept form: y = mx + b

5x - y = 3

-y = -5x + 3

y = 5x - 3       multiply by -1

The slope of the given line is 5 ( the coefficient of the x-term).

The slope of the new equation will -1/5 (this is the negative reciprocal of 5).

Next find "b"  using y = mx + b, the new slope -1/5 and the point (0, -1)

y = mx + b

-1 = -1/5(0) + b

-1 = 0 + b

-1 = b  

Now write the equation y = -1/5x - 1

Answer:

308 miles

Step-by-step explanation:

speed * time = distance

56 * 5.5 = 308

308 miles

Answer:

Step-by-step explanation:

Length of each part of the ruler will be

8x and 7x

. Hence, 8x+7x=30 => 15x=30 =>x=2

Hence, the lengths will be

8x=8×2=16

7x=7×2=14

Answer:

[tex] \: [/tex]

1. C = 81 , D = 4

2. E = 625, F = 4

3. G = 10,000 , H = 4

4. J = 0.01 , K = -2

Hope it helps you ™

Step-by-step explanation:

if 1425 then the answer is 100

if it's 62.25 then 77 percent

Answer:4root3

Step-by-step explanation:

if you dont know what a equilateral triangle its just. a triangle basically  

(im in 7th btw)

Answer:

3/2

Step-by-step explanation:

Rise over run meaning how many up over how many over (would be a negative rise if the line was \ instead of /)

find where the line intersects with the corner of the graph lines and plot from there.

Mark me as brainliest if this helps!

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The slope of given line is ~

[tex] \boxed{ \frac{3}{2} }[/tex]

Let's find the slope of the given line by using the coordinates of points (3 , 0) and (1 , -3) ~

Return on investment increases as the interest rate applied, the duration of investment, and the principal invested increases.

The responses are as follows;

Reasons:

Option 1: Investment

The present value = 0

The contributions made = $50 monthly

APR of investment = 3.5%

Number of years of investment = 35 years

The contribution = $50 × 12 × 35 = $21,000

Future value (final balance) = $41,230.22

Interest Earned = $41,230.22 - $21,000 = $20,230.22

Option 2: Investment

The present value = 0

The contributions made = $150 per quarter

APR on investment = 4.15%

Number of years of investment = 35 years

The contribution = $150 × 4 × 35 = $21,000

Future value = $47,503.88

Interest Earned = $47,503.88 - $21,100

Option 3: Investment

Present value = $4,000

APR on investment = 5.5%

Number of years of investment = 35 years

The contribution = $4,000

Future value = $27,300.26

Interest Earned = $27,300.26 - $4,000 = $23,300.26

[tex]\begin{array}{|c|c|c|c|}Option \ number&Contributions&Total \ Interest \ Earned&Final \ Balance\\1&\$50&\$20,230.22&\$41,230.22\\2&\$150&\$26,403.88&\$47,503.88\\3& \$4,000 &\$23,300.26 &\$27,300.26 \end{array}\right][/tex]

1) The total contribution is given by the product of the monthly contribution and the number of timer units.

2) The option that yielded the highest amount at the end of 35 years is the option 2.

The basis of the plan is quarterly investment of $150 and an annual interest rate of 4.15% compounded monthly.

3) The principal with the highest final balance is the principal for Option 2. which is 0

The principal that has the lowest final balance is the principal for option 3 which is $4,000

The difference in the principal for the highest and lowest final balances is  

$0 - $4,000  = $-4,000

4) The plan recommended for the largest return on investment is option 2, in which the amount invested increased by more than 600%

5) The higher the interest rate, the higher the return on the amount invested.

Learn more here:

https://brainly.com/question/4384761

Answer:

y = -8/3x + 4

Step-by-step explanation:

Using an exponential function, it is found that at the beginning, there were 328 hornets.

An increasing exponential function has the following format:

[tex]A(t) = A(0)(1 + r)^t[/tex]

In which:

In this problem, there is a growth of 20%, hence [tex]r = 0.2[/tex].

After 5 months, the size is of 815, hence, when [tex]t = 5, A(t) = 815[/tex], and this is used to find A(0).

[tex]A(t) = A(0)(1 + r)^t[/tex]

[tex]815 = A(0)(1 + 0.2)^5[/tex]

[tex]A(0) = \frac{815}{(1.2)^5}[/tex]

[tex]A(0) = 328[/tex]

At the beginning, there were 328 hornets.

A similar problem is given at https://brainly.com/question/22733028

Answer:

C 9

D 12

Step-by-step explanation:

9 is a corresponding angle to 5 and 12 is an opposite angle to 9

Also by convention, grid lines are at right angles to each other so 5, 6, 7, 8, 9, 10, 11, and 12 are all equal at x = 90°

Answer:

Step-by-step explanation:

A = πR²

top layer has a radius of

R = √(12.56/π) = 2 inches

The middle layer has a radius of 3 inches and an area of

A₂ = π3² = 9π in²

The bottom layer has a radius of 4 inches and an area of

A₃ = π4² = 16π in²

so the visible area on the bottom layer has an area of

16π - 9π = 7π in² or about 22 in²

Answer:

The total answer should be 38 on the top

Step-by-step explanation:

a) So the first partial quotient would be equal to 30 as 31 x 30 = 930

b) Second partial quotient would be 8 as 31 x 8 = 248

Answer:

0

38

I hope it's help byeeee

Answer:

c)the line should be solid

As per <= sign the line should be solid

Next

Let's isolate x and y

[tex]\\ \sf\longmapsto y\leqslant 12x+4[/tex]

[tex]\\ \sf\longmapsto 12x-y\geqslant 4[/tex]

[tex]\\ \sf\longmapsto 0-0\geqslant 4[/tex]

Shading should go below the line towards origin

Answer:

10y^7

Step-by-step explanation:

Answer:4+3=7

5×2=10

Step-by-step explanation:

SAS postulate states that if two sides and one angle of the two triangles are congruent then the corresponding triangles are congruent.

These two triangles are congruent by SAS postulate

Proof

Statements                                         Reasons

In  ΔNHJ ↔ ΔKHJ

From 1,2, and 3 ΔNHJ ≅ ΔKHJ            SAS≅SAS

For more explanation click

https://brainly.com/question/3999145

https://brainly.com/question/6422888

Answer:

  12.5

Step-by-step explanation:

You can read this problem as ...

  2.5 × 5 = 12.5

__

You can think of % as meaning /100. You can think of "of" as meaning "times". Then the expression

  250% of 5

can be thought of as ...

  250/100 × 5

  = 1250/100 = 12.5

Answer:

Step-by-step explanation:

The asked quotient of 159 divided by 3 is the number 51.

It is the inverse of multiplication, and it is used to find out how many times one number can be divided by another. In mathematics, the division is an arithmetic operation that involves splitting a quantity into equal parts or groups.

Here,
As mentioned in the question, we have to determine the quotient of 159 divided by 3
So let the quotient be y,
y = 159/3
y = 51

Thus, the asked quotient of 159 divided by 3 is number 51.

Learn more about divide here:
https://brainly.com/question/15381501
#SPJ5

Answer:

simple random sample

Step-by-step explanation:

I hope that's it

Answer:

The correct option is;

If one reflects a figure across the y-axis, the points of the image can be found using the pattern (x, y) Right-arrow (x, -y).

If one reflects a figure across the y-axis, the points of the image can be found using the pattern (x, y) Right-Arrow (-x, y).

Taking the result from the first reflection (x, -y) and applying the second mapping rule will result in (-x, -y), not (y, x), which reflection across the line y = x should give

Step-by-step explanation:

We have that for reflection across the x-axis, (x, y) → (x, -y)

For reflection across the y-axis, (x, y) → (-x, y)

Therefore, given that the pre-image before the reflection across the y-axis is (x, -y), we have;

For reflection across the y-axis, (x, -y) → (-x, -y)

For reflection across the line, y = x, gives (x, y) → (y, x) which is not the same as (-x, -y)

Answer:

65

Step-by-step explanation:

Answer:

i beleive c for the proper answer form is m/s 2 c is the only one to show to square anything. if that's wrong the a but there is no square symbol.