please help me. if right I will give brainlist, thanks, and 5 stars

Answer:

firs find the least common multiple (LCM) of the denominators

Step-by-step explanation:

2/5+7/10

Multiples of 5 = {5,10,15,20,25,30,35...}

Multiples of 10 = {10,20,30,40,50...}

Common multiples = {10,20,30,...}

Least Common Multiples = {10}

2/5+7/10

= 2(2) + 7(1)

= 11/LCM

But the LCM = 10

11/10

Answer:

depression

Step-by-step explanation:

Answer:

I THNK MAY BE 28 by putting value of x and finding value of y.

Step-by-step explanation:

4x-12=2x+8

or,4X-2x=12+8

or,2x=20

or,x=20/2

therefore, x=10

then do, 4x-12+7y+12=180 the answer which comes is your required ans . it may be 28

Answer:

27

Step-by-step explanation:

15+7=22+7=22

Answer: 27

Step-by-step explanation:

15+7=22

22+5=27

I hope this helped!!

Answer:

There are 15 mechanical pencils

Step-by-step explanation:

Recall that the probability of drawn a mechanical pencil from a larger group is given by the quotient of the number of mechanical pencils divided the total number of pencils in the sample.

so that means:

[tex]P=\frac{x}{25} \\[/tex]

being x the number of mechanical pencils and 25 the total of all pencils in the sample. Since they give as P as 3/5, we can solve for the number of mechanical pencils (x) using the equation:

[tex]P=\frac{x}{25} \\\\\frac{3}{5} =\frac{x}{25}\\x=\frac{3\,*\,25}{5} \\x=15[/tex]

So there are 15 mechanical pencils in the sample.

Answer:

4

Step-by-step explanation:

Answer:

Graph

Step-by-step explanation:

Answer:

i hope this is the right answer 1.25%

Step-by-step explanation:

6:4 and 6:5 is one away from each other so it must me 1.25%

Answer: The answer would be 1.6 :)

Answer:

The average velocity is:

4.8 km/hour

Step-by-step explanation:

1 hour = 60 minutes

20 minutes = 20/60 = 0.3333 hour

Proportions

1.6km ⇔  0.3333 hour

W km ⇔   1 hour

W = 1.6*1/0.3333

W = 4.8 km/hour

Answer:

a) 7

b) 2 2/7

Step-by-step explanation:

A) 2/7=2/x

x=7

B) 2/7=x/8

cross multiply

16=7x

x=16/7, or 2 2/7, or 2.2857

Step-by-step explanation:

USING RATIONAL ROOT THEOREM:

a = ±2

Factors of a are ±1 ,±2

For the constant term

c= ±18

The factors of c are ±1,±2,±3,±6,±9 and ±18

THE POSSIBLE ZEROES ARE GIVEN BY

c/a=(±1,±2,±3,±6,±9,±18)/(±1 ,±2)

Therefore, the possible zeroes are

±1,±2,±3,±6,±9,±18,±1/2,±3/2,±9/2

Answer:

x = 17/15 or 1 2/15

Step-by-step explanation:

I got it directly from Khan

Answer:3 [ 1 5 -5 6 0 0 ]

3 x 1 = 3

3 x 5 = 15

3 x -5 = -15

3 x 6 = 18

3 x 0 = 0

3 x 0 = 0

[ 3 15 -15 18 0 0 ]

[ 3 15 ]

[ -15 18 ]

[ 0 0]

The answer is B and I hope I explained this well for you

Step-by-step explanation:

Answer:

1.875

Step-by-step explanation:

Answer:

[tex]g(x)^-1 = \frac{-x}{2} +\frac{3}{2}[/tex]

Step-by-step explanation:

1) swap x and y

x = -2y + 3

2) solve for y

[tex]x=-2y+3[/tex]

[tex]2y=-x+3[/tex]

[tex]y=\frac{-x}{2} + \frac{3}{2}[/tex]

Answer:

[tex]\frac{y+3}{2}[/tex]

Step-by-step explanation:

Answer:

nos   agoi o se

Step-by-step explanation:

Answer:

[tex]\boxed{\bold{\huge{\boxed{x = 10}}}}[/tex]

Step-by-step explanation:

=> [tex]\sf \frac{3}{4} x + \frac{5}{6} = 5x - \frac{125}{3}[/tex]

Combining like terms

=> [tex]\sf \frac{3x}{4} - 5x = -\frac{125}{3} - \frac{5}{6}[/tex]

Taking LCM to make the denominator same

=> [tex]\sf \large{\frac{3x-20x}{4} = \frac{-250-5}{6} }[/tex]

=> [tex]\sf \frac{-17x }{4} = \frac{-255}{6}[/tex]

=> [tex]\sf \frac{17x }{4} = \frac{255}{6}[/tex]

Cross Multiplying

=> [tex]\sf 17x * 6 = 4 * 255[/tex]

=> [tex]\sf 102x = 1020[/tex]

Dividing both sides by 102

=> x = 10

Answer: 2

Step-by-step explanation:            

Answer:

Part 1: 1 mile.

Part 2: 1.32 mph.

Step-by-step explanation:

The correct speed of Mariah walks faster than Bobby, in miles per hour - 1 mile per hour.

Shaun travel in 25 minutes in the given case, when rounded to the nearest  hundredth - 7.92 miles.

Given:

speed of Mariah = 6 miles per hour

speed of Bobby = 4, 400 yards per half hour

= 8800 yards per hour

1 mile = 1760 yards

Solution:

To find out the speed difference of both Mariah and Bobby, we need to convert speeds in the same units that is mile:

=> speed of bobby = [tex]\frac{8800}{1760}[/tex]

=> speed of bobby = 5 miles per hour

as it is given 1 mile = 1760 yards

=> Now, the speed difference between Mariah and Bobby is

= 6 - 5

= 1 mile per hour.

Thus, Mariah walks faster than Bobby, in miles per hour - 1 mile per hour.

Given:

Speed of Shaun =  19 miles per hour

distance traveled in 25 minutes = ?

Solution:

To find out the traveled distance by Shaun in 25 minutes we need to find the speed per minute:

1 hour = 60 minutes

So as given, 19 miles per 60 minutes

then speed per minute = [tex]\frac{19}{60}[/tex]

= 0.316

then traveled in 25 minutes-

=> [tex]0.316*25[/tex]

=> = 7.92

Thus, Shaun travel in 25 minutes in the given case, when rounded to the nearest  hundredth - 7.92 miles.

Learn more about:

https://brainly.com/question/12696792

Answer:

The answer is

Step-by-step explanation:

To find an equation of a line in point slope form when given the slope and a point we use the formula

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

where

m is the slope

( x1 , y1) is the point

From the question the point is (-2,-2) and slope 42

The equation of the line is

[tex]y + 2 = 42(x + 2) \\ y + 2 = 42x + 84 \\ y = 42x + 84 - 2[/tex]

We have the final answer as

[tex]y = 42x + 82[/tex]

Hope this helps you

Answer:

<8 and <6 are congruent to each other.

Step-by-step explanation:

A protractor was used to determine the answer.  They both measured to 140 degrees.  

Answer:

JL = 166 units

Step-by-step explanation:

Given that,

JL = 9x - 5, LR = 7x - 2, and JR = 35

Let us assume that, R is the midpoint of J and L. So,

JL = JR + RL

Putting all the values,

9x - 5 =35 + 7x - 2

Taking like terms together as follows :

9x-7x = 33 + 5

2x = 38

x = 19

Put the value of x inm, JL = 9x-5

JL = 9(19)-5

JL = 166

The value of JL is 166 units.

Answer: x = 28

Step-by-step explanation: You multiply each place by 7 to get the x by itself and you get 28 as an answer

Answer:

28

Step-by-step explanation:

x/7=4

x=4*7

x=28

Answer:

-3/2

Step-by-step explanation:

You are going a distance of 3/2 to the right, to get 3/2. You are going the same distance of 3/2 to the left, to get -3/2. Same distance traveled on a number line, just in different directions making it positive/negative.

Replace x, y, and z in the plane's equation with their appropriate parametric equations, then solve for t, then evaluate x, y, and z at this t to find the point P.

[tex]x+y-z=-5[/tex]

[tex](1+t)+2t-(-3t)=-5[/tex]

[tex]6t+1=-5[/tex]

[tex]6t=-6[/tex]

[tex]t=-1[/tex]

[tex]\implies x=0,y=-2,z=-3[/tex]

So the point P is (0, -2, -3).

Here, we are required to find the point, P where the lines:

intersects the plane x + y - z = -5.

The point, P where the lines intersects the plane is given by;

he point, P where the lines intersects the plane is given by;P (0, -2, 3)

Therefore, to find this point, we have to substitute for x, y and z in the equation of the plane.

Therefore, we have;

To get the coordinates of the point P where the lines intersect the plane; we can then find x, y and z by substituting t into each of their equations.

Therefore;

Therefore, the point, P where the lines intersects the plane is given by;

Read more:

https://brainly.com/question/22163485

Answer:

Multiplying integers is similar to multiplying whole numbers because integers are whole numbers. An integer is a whole number that is not a fraction.

Hope This Helps :)

Answer:

-4x-3

Step-by-step explanation:

all you do is combine like terms: -6x+2x=-4x and -5+2=-3

so the answer would be -4x-3

Answer:

115°

Step-by-step explanation:

Measure of the degree of the angle represented by section B on the chart = percentage in the pie chart ÷ 100 × 360. A full circle makes 360°.

Section B represents 32% of the pie chart, therefore, number of degrees for section B = [tex] \frac{32}{100}*360 = \frac{32*360}{100} [/tex]

[tex] = 115.2 [/tex]

Section B = 115° (to the nearest whole number)

Answer:

p-4

Step-by-step explanation:

Difference means subtraction

p-4

Answer: p - 4

Explanation: The word difference tells us that we need to subtract.

So the difference between p and 4 can be represented as p - 4.

Answer:

40% is the answer to your question.

Answer:

-16

Step-by-step explanation:

-5(4)+2

-18+2

-16