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lana [24]
3 years ago
7

Right answer gets brainlyest

Mathematics
1 answer:
lyudmila [28]3 years ago
3 0

Answer:

\frac{2}{3} (x+6)

Step-by-step explanation:

\frac{2}{3} x+4= \frac{2}{3} (x+4÷\frac{2}{3})

\frac{2}{3}x+4 = \frac{2}{3} (x+4×\frac{3}{2})

\frac{2}{3}x+4 = \frac{2}{3} (x+\frac{12}{2})

\frac{2}{3}x+4 = \frac{2}{3} (x+6)

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Please help me on this problem
butalik [34]

Answer:

I think the answer would be -21%!

Step-by-step explanation:

-4/5 = -0.8 would be behind -.05

- 0.7 would be behind -.05

-21% = -0.21 correct answer

- square root of 1 = -1 too far from 0

Good Luck. Hope this helped.

8 0
3 years ago
Read 2 more answers
Peter hired a cleaning company to clean his house. The cleaning company charges a fixed fee of $15 plus $17 per hour to clean a
almond37 [142]

Answer:

5 (for c only)

Step-by-step explanation:

for c:

1st cleaning company: y=17x+15

2nd cleaning company: y=20x

set up as a system of equations. for them to cancle out make the y of one equation negative. I'll be making the second one negative ( it doesn't matter though)

it will look like:

y=17x+15

-y=-20x

make the two equations on top of eachother and line the terms up. Then combine them. The variable "y" will cancle out and you'll be left with

0=-3x+15

then you will add 3x to both sides to get 3x=15 then divide both sides by 3 to get x=5

if you plug in 5 for x into both of the original equations you will see that they will both make $100 in five hours. So you answer is 5

8 0
3 years ago
In ΔEFG, the measure of ∠G=90°, the measure of ∠E=40°, and EF = 75 feet. Find the length of GE to the nearest tenth of a foot
juin [17]

Answer:

19.4 feet

Step-by-step explanation:

Since the triangle has a right angle( as one of the angles in it is equal to 90°), we may find the length of the unknown side using the trigonometric notations SOH CAH TOA where

SOA stands for

Sin Ф = opposite side/hypotenuses side

Cosine Ф = adjacent side/hypotenuses side

Tangent Ф = opposite side/adjacent side

Given that the measure of ∠G=90° and  ∠E=40°

EF is the hypotenuse side

FG is the opposite side and

GE is the adjacent side. As such if EF = 75 feet

Cos 75 = GE/75

GE = 75 Cos 75°

= 19.41 feet

≈ 19.4 feet in the nearest tenth of a foot

5 0
3 years ago
Read 2 more answers
What are the zeros of , where <br><br> ? help please need some help someone help please
Crank

{ \boxed{\boxed{\begin{array}{cc} \maltese  \bf \: given \\  \\  \rm \: f(x) = ( {x}^{2}  + 16)( {x}^{2} - 9) \\  \\  \bf \: for \: zeroes \\  \\ \pink{ \boxed{\boxed{\begin{array}{c | c}   \bf \:  {x}^{2} + 16 = 0 & \bf \: {x}^{2}  - 9 = 0 \\  \\  =  >  {x}^{2}  =  - 16& {x}^{2}  = 9 \\  \\  =  > x =  \pm \sqrt{ - 16} &x =  \pm \:  \sqrt{9}  \\  \\  =  > x =  \pm \sqrt{ {i}^{2}  {4}^{2} } &x =  \pm \:  \sqrt{ {3}^{2} } \\  \\  =  > x =  \pm \: 4i&x =  \pm3  \end{array}}}}   \\  \\  \rm \: x =  \pm3 \: and \pm \: 4i\end{array}}}}

Option A is the correct answer

4 0
3 years ago
What is an equation of the line that passes through the point (-2, -3) and is
mrs_skeptik [129]

Answer: 2y + 5x + 16 = 0

Step-by-step explanation:

To solve this you need to understand the principle/ conditions for parallelism and perpendicularity.

for two lines to be parallel to each other, their gradients or slopes (m) must be equal, that is  m₁ = m₂

Now from the given equation,

5x + 2y = 14 , we need to rearrange it to conform to the equation of a straight line so that the gradient could be established. ie

y = mx + c where m is the gradient

 2y = -5x  + 14

   y = -5x/2  + 14/2

   y = ⁻⁵ˣ/₂  + 7 , therefore , m₁ = ⁻⁵/₂ and m₂ = ⁻⁵/₂ ( parallelism Rule )

The next step is to find the value of C using the coordinate ( -2, -3 )

  -3 = ⁻⁵/₂ ˣ ⁻² + C,

  -3 =  ¹⁰/₂  + C

  -3 =  5 + C

   C = -8.

Now to find the equation of the line that passed through the coordinate

  y = mx + c

  y = ⁻⁵ˣ/₂  - 8

  2y = -5x - 16

  2y + 5x + 16 = 0.

6 0
4 years ago
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