please helpppp!!! Will mark brainlyist

Answer:

Step-by-step explanation:

18 - 7m > 0 ⇒ 7m < 18 ⇒ m < 18/7

Answer:

[tex] \displaystyle m_{1} = 2 \quad \text{and} \quad \displaystyle m _{2} = - 9[/tex]

Step-by-step explanation:

we are given a logarithm equation

[tex] \displaystyle \log_{4}( {m}^{2} ) = \log_{4}(18 - 7m) [/tex]

notice that, we have [tex]\log_4[/tex] both sides therefore we can get rid of it

[tex] \displaystyle {m}^{2} = 18 - 7m[/tex]

in order to solve it we should make it standard form we know that

[tex] \displaystyle a {x}^{2} + bx + c = 0[/tex]

so right hand side expression to left hand side and change its sign:

[tex] \displaystyle {m}^{2} + 7m- 18=0[/tex]

now we can solve it by using factoring method

to do so rewrite the middle term as sum or subtraction of two different terms

in that case -2m+9m is good to use

[tex] \displaystyle {m}^{2} - 2m + 9m - 18 = 0[/tex]

factor out m:

[tex] \displaystyle m({m}^{} - 2 )+ 9m - 18 = 0[/tex]

factor out 9:

[tex] \displaystyle m({m}^{} - 2 )+ 9(m - 2)= 0[/tex]

group:

[tex] \displaystyle (m - 2)(m + 9) = 0[/tex]

hence,

[tex] \displaystyle m_{1} = 2 \quad \text{and} \quad \displaystyle m _{2} = - 9[/tex]

remember that,

when we deal with logarithm equation we should always check the roots

let's check the root 1:

[tex] \displaystyle \log_{4}( {2}^{2} ) \stackrel{?}{=} \log_{4}(18 - 7.2) [/tex]

simplify square:

[tex] \displaystyle \log_{4}( 4) \stackrel{?}{=} \log_{4}(18 - 7.2) [/tex]

simplify multiplication:

[tex] \displaystyle \log_{4}( 4) \stackrel{?}{=} \log_{4}(18 - 14) [/tex]

simplify substraction:

[tex] \displaystyle \log_{4}( 4) \stackrel{?}{=} \log_{4}(4) [/tex]

simplify logarithm:

[tex] \displaystyle 1 \stackrel{ \checkmark}{=} 1[/tex]

let's check root 2:

[tex] \displaystyle \rm \log_{4}( { - 9}^{2} ) \stackrel{?}{=} \log_{4}(18 - 7.( - 9)) [/tex]

simplify square:

[tex] \displaystyle \rm \log_{4}( 81 ) \stackrel{?}{=} \log_{4}(18 + 63) [/tex]

simplify addition:

[tex] \displaystyle \rm \log_{4}( 81 ) \stackrel{ \checkmark}{=} \log_{4}(81) [/tex]

therefore,

[tex] \displaystyle m_{1} = 2 \quad \text{and} \quad \displaystyle m _{2} = - 9[/tex]

12, 8, 4, 0

Step-by-step explanation:

Thank Me. Super.

Answer:

No

Step-by-step explanation:

40/1000 is 4%

Answer:

no, it would be equivalent if it was 4%

Step-by-step explanation:

Answer:

35 members

Step-by-step explanation:

In a tennis club the ratio number of junior members : number of senior members is 7 : 10

From the above ratio

Number of junior member = 7

Number of senior members = 10

There are 18 more senior members than junior members.

S = 18 + j

10 + 18 = 28 senior members

Hence,

Total number of members = 28 senior members + 7 junior members

= 35 members

Answer:

The slope equals the rise divided by the run: . You can determine the slope of a line from its graph by looking at the rise and run. One characteristic of a line is that its slope is constant all the way along it.

Answer:

the slope of the line​ is 1

Step-by-step explanation:

The line goes  1 up, 1 right, 1 up 1 right ........

1 divided into 1 = 1

Answer:

i think it is the third one.

Step-by-step explanation:

Answer:

first choice: ⁴√200 / 2

Step-by-step explanation:

√10 / ⁴√8 = ((√10)*(⁴√2)) / ((⁴√2³)*(⁴√2))  

                = (⁴√100 * ⁴√2) / (⁴√2⁴)

                = ⁴√200 / 2

Answer:

-77·√30

Step-by-step explanation:

(-7)·√3·11·√10  =  (-77)·√3·10  =  -77·√30

Answer:

hope this helps:) have a good day

Step-by-step explanation:

We are given two Triangles and we need to prove them congruent . In ∆AOC and ∆BOD , we have

[tex]\to AC = BD ( given ) \\\\\to OD = OA \\\\\to \angle CAO =\angle BDO (Since\ BD || AC ) [/tex]

Therefore by AAS congruent condition we can say that ,

[tex]\implies\red{ \triangle AOC \cong \triangle BOD }[/tex]

Hence Proved!

Answer: hi

Step-by-step explanation:

Answer:

1/4

Step-by-step explanation:

hope is helps <3

Answer:

Supplementary

Step-by-step explanation:

Given:

The equation of a line is:

[tex]y-1=4x[/tex]

A line parallel to the above line passes through the point P(2,5).

To find:

The equation of the parallel line.

Solution:

The slope intercept form of a line is:

[tex]y=mx+b[/tex]         ...(i)

Where, m is the slope and b is the y-intercept.

The given equation is:

[tex]y-1=4x[/tex]

It can be rewritten as

[tex]y=4x+1[/tex]        ...(ii)

On comparing (i) and (ii), we get

[tex]m=4[/tex]

It means the slope of the given line is 4.

We know that the slopes of two perpendicular lines are equal. So, the slope of the required parallel line is also 4.

The parallel line passes through the point P(2,5) with slope 4, thus the equation of the parallel line is

[tex]y-y_1=m(x-x_1)[/tex]

[tex]y-5=4(x-2)[/tex]

[tex]y-5=4x-8[/tex]

[tex]y=4x-8+5[/tex]

[tex]y=4x-3[/tex]

Therefore, the equation of the required parallel line is [tex]y=4x-3[/tex].

Answer:

Step-by-step explanation:

Given function:

a.

Minimum cost is obtained at vertex.

Vertex is determined by formula x = -b/2a, in standard form of

f(x) = ax^2 + bx + c

Vertex of the given function is:

b.

Cost at vertex is:

Answer:

4th is the answer

Step-by-step explanation:

Answer:

the measure of <ABD = 1/2 the measure of <ABC is the answer :)

Step-by-step explanation:

Answer: A

Step-by-step explanation:

Answer:

It is A

Step-by-step explanation:

Answer:i think it is 54 degree

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

An angle inscribed in a semi circle measures 90. So that means the third angle measures 36.

Answer:

6 words per minute

Step-by-step explanation:

Divide 36 by 6 minutes to find how many words per minute

Answer:

6 words per minute

Step-by-step explanation:

36 words/ 6 minutes = 6 words per minute

Answer: If you use a^2+b^2=c^2 formula you should get your answer of 39

Step-by-step explanation:

Answer:

800

Step-by-step explanation:

Is means equals and of means multiply

40 = 5% *N

Change to decimal form

40 = .05N

Divide each side by .05

40/.05 =.05N/.05

800 = N

Answer: 36.2

Step-by-step explanation:

divide 30 by two (15)

use the pythagorean theorem (a^2+b^2=c^2)

15^2+33^2=x^2

225+1089=x^2

1314=x^2

36.249137... = x

Answer:

24

Step-by-step explanation:

34 messages per 12 minutes

68 is just 34 mulitplied by 2.

it would take you twice as long because there are twice as many messages.

12 minuted multipled by 2 is 24.

It would take you 24 minutes to send 34 messages.

Answer:

24 minutes

Step-by-step explanation:

34/12

68/x

34*2=68

12*2=24

Answer:

A)

Step-by-step explanation:

The answer is A) because the formula to solving the area of a parrellogram is b x h

Hi there!

[tex]\large\boxed{c = 9, (x +3)^2}[/tex]

To find the value of c, we can say:

ax² + bx + c

(b/2)² = c

Therefore:

(6/2)² = 3² = 9

Rewrite the trinomial:

x² + 6x + 9

To write as a binomial, take the square root of c:

√9 = 3

Thus:

(x + 3)² = x² + 6x + 9

Answer:

I would say use photomath if you cant find your answer.

Step-by-step explanation:

Answer:

One solution, A) (2 , -1)

Step-by-step explanation:

The solution is where the two lines intersect. If the lines do not intersect, it is no solution. If the line intersects once (like in the picture), it has one solution. If it intersects more than once (x), then it will have x amount of solutions.

In this case, the intersection is at (2 , -1), therefore, A) (2 , -1) is your answer.

~

Answer:

C. r+r+r+t+t = 3r + 2t

Step-by-step explanation:

because we cant add numbers with different variables

Answer:

[tex]15 \: presents = 20 \: hours \\ 18 \: presents = ( \frac{18}{15} \times 20) \: hours \\ = 24 \: hours[/tex]

Time required to wrap 1 present

Tkme to wrap 18 present