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Answer:

(x - 6)^2 = 48.

Step-by-step explanation:

x2 - 12x - 5 = 7

x2 - 12x = 12

(x - 6)^2 - 36 = 12

(x - 6)^2 = 48

Answer:

4 liters for £3.20

Step-by-step explanation:

we want to maximize quantity for each unit of money spent. if we use mL and p, we want to maximize mL/p

500 mL = 60 p

divide both sides by 60p to get a mL/p value

500 mL/60 p = 50/6 p ≈ 8.3 mL per pence

4 L = £3.20

note:

1000 mL = 1L

divide both sides by 1 L/ 1000 mL

1000 mL / 1 L = 1

1 L / 1000 mL = 1

100 p = £1

divide both sides by 100p / £1

100p / £1 = 1 = £1 / 100p

convert everything to the same units (mL and p) to accurately compare

4 L = £3.20

4L  = 4L * 1 = 4L * 1000 mL / 1 L = 4000 mL. Note that we have two options to choose from -- 1000 mL / 1 L and 1 L / 1000 mL. We choose the first one here because we want the 4L to cancel out with the 1 L

£3.20 = £3.20 * 1 = £3.20  * 100p / £1 = 320 p. note we put the £1 on the bottom so the euros cancel out.

thus,

4 L = £3.20

= 4000 mL = 320p

divide both sides by 320p to get a mL / p value

4000 mL / 320 p = 12.5 mL/p

8.3 mL per pence in the first one

12.5 mL per pence in the second one

the second one has a higher mL per pence, so that is a better value

Answer: The measure of the third angle would be 71

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

124

Step-by-step explanation: Since the length is 28, the width is 20,  and teh height is 14, you have to do 28+20+14, which equals 62. 62 x 2 = 124.

Answer:

what !!!!!!!!!!!?!!!???????????!!??!?!??!!!?!?!!!?!!!!

Step-by-step explanation:

this is a joke like reallyy

Answer:

use what

Step-by-step explanation:

Answer:

[tex]\textsf{B)}\quad \dfrac{1}{28^2}[/tex]

[tex]\textsf{C)} \quad \dfrac{7^{-2}}{4^2}[/tex]

Step-by-step explanation:

[tex]4^{-2} \cdot 7^{-2}[/tex]

[tex]\textsf{Apply exponent rule} \quad (a^b \cdot c^b)=(ac)^b:[/tex]

[tex]\implies (4 \cdot 7)^{-2}[/tex]

[tex]\implies (28)^{-2}[/tex]

[tex]\textsf{Apply exponent rule} \quad a^{-n}=\dfrac{1}{a^n}:[/tex]

[tex]\implies \dfrac{1}{28^2}[/tex]

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Also,

[tex]4^{-2} \cdot 7^{-2}[/tex]

[tex]\textsf{Apply exponent rule} \quad a^{-n}=\dfrac{1}{a^n}:[/tex]

[tex]\implies \dfrac{7^{-2}}{4^2}[/tex]

[tex]\\ \rm\Rrightarrow 4^{-2}7^{-2}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{1}{4^2.7^2}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{1}{(4.7)^2}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{1}{28^2}[/tex]

If we break only 4

[tex]\\ \rm\Rrightarrow \dfrac{7^{-2}}{4^2}[/tex]

Option B and C

Answer:

see below

Step-by-step explanation:

Not sure what you are looking for :

15 kg / $8    = 1.875   kg  per dollar

$8 / 15 kg =  .533  dollars per kilogram

Answer:

n+14z+2

Step-by-step explanation:

2n+4z+6-n+10z-4

2n-n+4z+10z+6-4

=n+14z+2

Answer:

3 inches

Step-by-step explanation:

18/6=3

Answer: a12 = 1/5120

Step-by-step explanation:

geometric sequence formula: an = a1*r^(n-1)

a1 = 2/5, r= 1/2, n= 12

a12 = 2/5*r^11

a12 = 2/5*1/2048

a12 = 1/5120

Answer:

The answer to this expression is [tex]\frac{13x-6}{6}[/tex], or [tex]\frac{13x}{6} - 1[/tex].

Step-by-step explanation:

The given problem is [tex]\displaystyle \frac{2x}{3}+\frac{(3)x-2}{2}[/tex] .

Let's start by finding common denominators for the fractions so that we can add them. The simplest common denominator is 6; we multiply [tex]\frac{2x}{3}[/tex] by [tex]\frac{2}{2}[/tex] and [tex]\frac{3x-2}{2}[/tex] by [tex]\frac{3}{3}[/tex].

Now, since the fractions have common denominators, we can add them together.

The answer to this expression is [tex]\frac{13x-6}{6}[/tex], or [tex]\frac{13x}{6} - 1[/tex].

Answer:

2/5

Step-by-step explanation:

40/100 answered city B, simplified it is 4/10 and then 2/5

Answer:

39.5

Step-by-step explanation:

1 Triangle; 3

other Triangle; 4.5

Rectangles; 32

Hope This Helps! :)

[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{-3}~,~\stackrel{y_1}{4})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{-8}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ 5 -3}{2}~~~ ,~~~ \cfrac{ -8 + 4}{2} \right)\implies \left(\cfrac{2}{2}~~,~~\cfrac{-4}{2} \right)\implies (1~~,~~-2)[/tex]

Answer:

1/5

Step-by-step explanation:

30 - 24 = 6

6 = 6/30

6/30 = 1/5

Answer: 20%

Step-by-step explanation: 30- 24 = 6

6/30 × 100/ 1 = 20%

Answer:

18,000 meters

Step-by-step explanation:

We know:

Substitute:

{ v = 4      ⇒ INTO FORMULA ⇒ D = V × T : D = 4 × 24

{ t = 24

Cross out the common factor:

⇒ 6 × 3000

Calculate the product or quotient:

⇒ 18,000

you either multipy or add all of the numbers and find the perimeter

Answer:

C 70.26 in2

Step-by-step explanation:

6 = D

R = D/2

R = 3

A = 3.14 x 3 x 3

A = 3.14 x 9

A = 28.26

The area of the triangle is

A = 6 x 7

A = 42

So

42 + 28.26

70.26 in2

Answer:

1.7 cm

Step-by-step explanation:

The formula to find the hypotenuse: [tex]c^{2} = a^{2} +b^{2}[/tex]. In this case, the hypotenus is given.

1) Substitute the values into the formula.

[tex]2^{2} = 1^{2} +b^{2}[/tex]

2) Solve for [tex]b[/tex].

[tex]4 = 1 + b^{2} \\4 - 1 = b^{2}\\3 = b^{2}\\\sqrt{3} = b\\1.73205 = b[/tex]

3) Round the answer to the nearest tenth.

[tex]1.7 = b[/tex]

The question is an illustration of trigonometry ratio, and the tangent of the angle is 12/13

Let the angle be x.

The sine of the angle is given as:

sin(x) = 5/13

The sine of an angle is calculated using:

sin(x) = opposite/hypotenuse

By Pythagoras theorem, we have:

Hypotenuse^2 = Adjacent^2 +Opposite^2

This gives

13^2 = Adjacent^2 + 5^2

Rewrite as:

Adjacent^2 = 13^2 - 5^2

Evaluate

Adjacent^2 = 144

Take the square root of both sides

Adjacent = 12

The tangent is then calculated using

tan(x) = Adjacent/Hypotenuse

So, we have:

tan(x) = 12/13

Hence, the tangent of the angle is 12/13

Read more about trigonometry ratio at:

https://brainly.com/question/11967894

#SPJ1

Answer:

Step-by-step explanation:

Answer:

-2240

Step-by-step explanation:

1.  348-3435 = -3087

2. -3087 + 847 = -2240

Answer:

Simplify 4/ (square root of 5) 4 √5 4 5 Multiply 4 √5 4 5 by √5 √5 5 5. 4 √5 ⋅ √5 √5 4 5 ⋅ 5 5

Step-by-step explanation:

Answer:

D. 25

Step-by-step explanation:

To find the new value of c when completing the square, use the formula [tex](\frac{b}{2} )^{2}[/tex].

Plugging in the given values:

[tex](\frac{10}{2} )^{2}[/tex]

(5)²

= 25

hope this helps!

Answer:

25

Step-by-step explanation:

when solving the equation, you're going to add have the coefficient of x to bothsides.

from the question, the coefficient of x is 10 and half of it is 5

5^2= 25

Answer:

rain (hydrosphere) falls from clouds in the atmosphere to the lithosphere and forms streams and rivers that provide drinking water for wildlife and humans as well as water for plant growth (biosphere)

Step-by-step explanation:

Answer:

The answer is B.

Step-by-step explanation:

I was trying to answer ur question a little bit ago, where it had multiple quesitons, but it had gotten deleted. I saved the answers for you

1st one- B(This question lol) , second one- C, third one- ?, fourth one- C, Fifth one- A.

I wasnt sure about the third one but i got the others...

Hope it helps you :)

Pls mark brainleist :P

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w/ <3...

Tori

Answer:

Its 0.5 miles

Step-by-step explanation:

Answer:

98º

Step-by-step explanation:

Since a supplementary angle is 2 angles which equal 180 degrees we would have this angle and 1 more angle that add up to 180:

[tex]82+x=180[/tex]

subtract 82 from both sides

[tex]x=98[/tex]