PLZ HELP ME AND ANSWER RN PLZ PLZ PLZ!

Answer:

-7+10=3

Step-by-step explanation:

You can go anywhere with this but this is just my answer.

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[tex]4 \times {9}^{2x} = 42[/tex]

Divide sides by 4

[tex] \frac{4 \times {9}^{2x} }{4} = \frac{42}{4} \\ [/tex]

[tex] {9}^{2x} = \frac{2 \times 21}{2 \times 2} \\ [/tex]

[tex] {9}^{2x} = \frac{21}{2} \\ [/tex]

[tex]( { {9}^{2} })^{x} = \frac{21}{2} \\ [/tex]

[tex]x = log_{ {9}^{2} }( \frac{21}{2} ) \\ [/tex]

[tex]x = \frac{1}{2} log_{9}( \frac{21}{2} ) \\ [/tex]

[tex]x = \frac{1}{2} log_{ {3}^{2} }( \frac{21}{2} ) \\ [/tex]

[tex]x = \frac{1}{2 \times 2} log_{3}( \frac{21}{2} ) \\ [/tex]

[tex]x = \frac{1}{4} log_{3}( \frac{21}{2} ) \\ [/tex]

[tex]x = \frac{1}{4} ( \: \: log_{3}(21) - log_{3}(2) \: \: ) \\ [/tex]

[tex]x = \frac{1}{4} ( \: \: log_{3}(3 \times 7) - log_{3}(2) \: \: ) \\ [/tex]

[tex]x = \frac{1}{4} ( \: \: log_{3}(3) + log_{3}(7) - log_{3}(2) \: \: ) \\ [/tex]

[tex]x = \frac{1}{4} ( \: \: 1 + log_{3}(7) - log_{3}(2) \: \: ) \\ [/tex]

And we're done...

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Answer:

None Of The Above

Step-by-step explanation:

Its 7/17

Answer:

130

Step-by-step explanation:

an triangle= 180 degrees so 180-35-90=50 so p is 50 then 180 -50=130

Answer:

Its 130 mate i did this question before at my old school

Step-by-step explanation:

Answer: See explanation

Step-by-step explanation:

a) A large pizza with one topping costs $15.50. A large pizza with 4 toppings costs $20.

A large pizza with one topping costs $15.50.

Using the formula for direct variation,

y = kx

where,

y = Cost of pizza

x = number of toppings

k = constant of proportionality

15.50 = 1k

k = 15.50

A large pizza with 4 toppings costs $20.

Using y = kx

20 = 4k

k = 20/4

k = 5

Here, the price does not vary directly with the number of toppings because the constant of proportionality is different.

b) A marathoner ran 5 miles in 40 minutes and 15 miles in 120 minutes.

Using y = kx

where,

y = 40

x = 5

y = kx

40 = 5k

k = 40/5

k = 8

Using y = kx

where,

y = 120

x = 15

y = kx

120 = 15k

k = 120/15

k = 8

The number of minutes vary directly with the number of miles. This is because the constant of proportionality is thesame in both cases.

Therefore, the second one(B) represents a direct variation and the first one (A) doesn't.

Answer:

18 boys and 15 girls

Step-by-step explanation:

Since the ratio is 6:5 and there are 18 boys, you do 18/6=3

Then you do 5*3=15

An answer was deleted so imma replace it

The answer is 18:15

Answer:

let me solve then once i'm done ill put the answer the chat below! :)

Step-by-step explanation:

Answer:

Step-by-step explanation:

7/15 = .4666 = 46.66%

Answer:

The correct answer is -6x⁶

Step-by-step explanation:

Given that:

[tex]3x^2 ( - 2x^4 ) \\ \\ =3(-2)x^{2.4} \\ \\ = 6x^8[/tex]

From the second step above, using the law of indices the correct format should be

[tex]= (3\times -2)x^{2+4}[/tex]

So, the problem lies where we have 2.4, it is not supposed to be (2*4). It supposed to be 2+4 because the law of indices states that we multiply the index together and add their power.

Then the result of that yields

= -6x⁶

In the third step, they also omit the negative sign, when multiplying (3 * -2).

Thus, the correct answer is -6x⁶

Answer:

C

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

If you

Answer:

D. No. Although each point is rotated through the same angle, points that are different distances from the center of rotation move different distances.

Step-by-step explanation:

Rotation is a type of transformation which involves turning a given figure about a reference point to produce its image. This would produce an image with the same size as the object.

A given figure or shape has different parts or points. Since each point on the figure is at different distance to the reference point, thus they do not cover the same distance but move through the same angle of rotation. Each individual point move through the same angle but do not cover the same distance during rotation.

Therefore, the appropriate option is D.

Answer: D

Step-by-step explanation:

Answer:

see step by step explanation

Step-by-step explanation:

part a: x=1/72  because there are 72 x's in the one so 1/72

part b: x=1/70 because there are 70 x in 1 so x = 1/70

Answer:

(7^2)^0

Step-by-step explanation:

The Zero rule property states that anytime you multiple an exponent by 0 it always equals 1. So, if you multiply the equation by 0 it will equal one.

Answer:

the correct answer is 582

Answer:

582

Step-by-step explanation:

B²= base×base

The base is 24

24 ×24 = 576

When you add 6 to 576 you get 582.

I hope this is correct. Sorry if it is wrong.

Answer:

a. y

b. n

c. n

d. y

e. y

y-yes

n-no

Step-by-step explanation:

Answer:

A. X = 3 and x = 6

Step-by-step explanation:

Since graph is intersecting x-axis at 3 and 6, therefore 3 and 6 are zeros of this function.

The zeros of the function are x = 3 and x = 6

The zeros of the function are the x values where the graph crosses the x-axis

From the figure, the graph crosses the x-axis at:

x = 3 and x = 6

Hence, the zeros of the function are x = 3 and x = 6

Read more about zeros of function at:

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Answer:

kn

Step-by-step explanation:

k,n

Answer:

5 : 18 : 12

Step-by-step explanation:

Express the ratio B : C  in fractional form, that is

[tex]\frac{B}{C}[/tex] = [tex]\frac{6}{4}[/tex] ( cross- multiply )

6C = 4B ( divide both sides by 6 )

C = [tex]\frac{4}{6}[/tex] B = [tex]\frac{2}{3}[/tex] B , then

C = [tex]\frac{2}{3}[/tex] × 18 = 2 × 6 = 12

Hence

A : B : C = 5 : 18 : 12

Answer:

5:18:12

Step-by-step explanation:

5:18

_:6:4 --> since you multiply 6 by 3 to get 18, multiply 4 by three to get the A:B:C ratio.

5:18:12

Answer:

50.6°

Step-by-step explanation:

The reference angle = angle of elevation [tex] (\theta) [/tex]

Side opposite to the reference angle = 78 ft

Adjacent side = 64 ft

Applying trigonometric ratios formula, we would have:

[tex] tan(\theta) = \frac{opposite}{adjacent} [/tex]

Plug in the values

[tex] tan(\theta) = \frac{78}{64} [/tex]

[tex] tan(\theta) = 1.21875 [/tex]

[tex] \theta = tan^{-1}(1.21875) [/tex]

[tex] \theta = 50.6 [/tex] (nearest tenth)

Answer:

No, they are not equivalent.

Given :

A morning truck can carry no more than 1480 pounds of cargo.

Brian loaded 640 pounds into the truck already.

He is loading boxes that weigh 70 pounds.

To Find :

How many boxes can he out into the truck.

Solution :

Weight left for carrying cargo, W = 4180 - 640 pounds

W = 3540 pounds

Number of boxes of 70 pounds cargo he can carry in truck is :

[tex]n =\dfrac{3540}{70}\\\\n = 50.57[/tex] ≈ 50 .

Therefore, number of box they can carry is 50.

Hence, this is the required solution.

Answer:

Step-by-step explanation:

Step one

given data

principal=$2000

rate = 2%= 0.02

time t= 13 years

Required

the final amount in the account

Step two:

A=P(1+r)^t

A=2000(1+0.02)^13

A=2000(1.02)^13

A=2000*1.294

A=$2588

Bruno will have in the account when he turned 13, $2588

The printing center printed 53128 pages in a week.

Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.

Given is a printing center that made 1,232 copies of a 35 page article. The printing center also printed 556 copies of a 18 page essay.

Assume that they printed a total of [x] pages, then we can write -

x = (1232 x 35) + (556 x 18)

x = 43120 + 10008

x = 53128

Therefore, the printing center printed 53128 pages in a week.

To solve more questions on Equation Modelling, visit the link below -

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Answer:

One way streets make it harder to turn into business, also one way streets often are long and they can throw you off your course

Step-by-step explanation:

I hope this helps

Answer:

26

Step-by-step explanation:

26 is the greatest number because 5.2 is a single digit and has lower value than 26.

26 > 5.2

Hope this helps!

Answer:

Perpendicular

Step-by-step explanation:

the lines are Perpendicular or it can also be parallel

The lines in Graph 1 is neither, graph 2 is parallel, graph 3 is parallel and graph 4 is perpendicular.

Parallel lines are those straight lines in a plane which will not intersect each other even if we extend the line to infinity.

Perpendicular lines are those lines where the two lines meet a point where the angle between the two lines is 90 degrees.

Graph 1 :

Lines are not parallel because if we extend one line it will meet the other line.

Lines are not perpendicular since the point of intersection will never make the angle between the lines as 90 degrees.

So it is neither parallel nor perpendicular.

Graph 2 :

The two lines will never intersect if we extend the line infinity.

So they are parallel.

Graph 3 :

Again the lines are parallel since they won't intersect at any point.

Graph 4 :

Since both the lines make a 90 degree angle at the point of intersection, they are perpendicular.

Hence the lines are parallel in graph 2 and 3, lines are perpendicular in graph 4 and lines are neither in graph 1.

Learn more about Parallel lines here :

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Answer:

False

Step-by-step explanation:

12+9<20

21≮20

False

Answer: Neither

Step-by-step explanation: if you look at both slopes 10x and 4x they are neither the reciprocal or even remotely close to each other

The two equations 10x+8y=16 and 5y=4x-15 are perpendicular to each other.

The equation in mathematics is the relationship between the variables and the number and establishes the relationship between the two or more variables.

The two given equations are 10x+8y=16 and 5y=4x-15 then reduce both the equations in the intercept form of the standard line of the equation.

The standard form of the equation of the line is,

y = mx + c

For the equation: 10x+8y=16

10x + 8y = 16

5x + 4y = 8

4y = -5x + 8

y = (-5/4)x + 2

For the equation: 5y=4x-15

5y = 4x -15

y = ( 4/5 )x - 3

The slope of line 1 is ( -5/4 ) and the slope for line 2 is ( 4/5 ). Here, the slope of the lines is opposite and reciprocal of each other. The lines will be perpendicular to each other.

Therefore, two equations 10x+8y=16 and 5y=4x-15 are perpendicular to each other.

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Step-by-step explanation:

x miles per hour so you need to add then 5+6.5 is 11.5

Answer:

400

Step-by-step explanation:

sale for 10% off the original price.

- The customer has a coupon for 25% off the sale price.

The customer claims that she can determine the final price of the sweater by taking 35% off the original price since 10%+25%=35%. Which of the following statements is true?

A) The customer’s claim is correct. The final price of the sweater will be $5.

B) The customer’s claim is correct. The final price of the sweater will be $26.

C) The customer’s claim is incorrect. The final price of the sweater will be $27.

D) The customer’s claim is incorrect. The final price of the sweater will be $30.

= 400

Answer:

C) The customer’s claim is incorrect. The final price of the sweater will be $27.