Solve the equation, Write one solution, No solution, Infinitely Many Solution
5. 2.5 x + 20 = 25​

Answer: 240

Step-by-step explanation:

2x36)/2=36

(36+39)x2/2=75

(31+39)x2/2=70

(14+31)x2/2=45

(2x14)/2=14

14+45+70+75+36=240

I hope this helps :)

Answer:

Step-by-step explanation:

slope=-2

y-intercept=(0,2)

Answer:

x intercept is 8, y intercept is 10

Step-by-step explanation:

x intercept is the x value for which the graph crosses the x-axis. Similar for y.

5x + 4y = 40 describes a straight line, so we should have no problem with finding those values

Let's find an x for which y = 0

5x + 4y = 40

substitute y=0

5x = 40

x = 8

Let's find a y for which x = 0

5x + 4y = 40

substitute x=0

4y = 40

y = 10

Answer:

Part A

Martha is incorrect because she will pay 1/4 of the cost.

40%+0.35

0.40+0.35

0.75

0.25=25/100=1/4

Part B

Renee-$340

Susan-$297.50

Martha-$212.50

Answer:

how many floors the elevator goes down per unit of time

Step-by-step explanation:

not sure what the unit of time is but its seconds or minutes im pretty sure it doesnt say

Answer:

The elevator started at floor 7

Step-by-step explanation:

The y-intercept is when x is 0

In this situation x represents time, so when no time has passes yet y is at 7

This means that the elevator was at floor before any time passed (before it started moving)

hope this helps, lmk if it doesnt :)

Answer:

28  and 152

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Hey There!

they are asking for the equation in slope intercept form

Slope intercept form is y=mx+b

where m equals slope and b equals y intercept

to find the slope we do change in y over chang in x

as y goes up 2 x goes down 5 so the slope would be -2/5

the y intercept is at (0,4) so the y intercept is 4

now we add everything together and get that the equation in slope intercept form is

y=-2/5x+4

so we can conclude that the answer is B

Answer:

Step-by-step explanation:

A line can be expressed as

y=mx+b, where m is the slope and b is the y intercept (the value of y when x=0)

Any two points form a line when connected.

m=(y2-y1)/(x2-x1), in this case we have points (0,4) and (5,2) so

m=(2-4)/(5-0)

m=-2/5 so our line is now

y=-2x/5+b, using (5,2) we can solve for b

2=-2(5)/5+b

2=-2+b

b=4, so the line is

y=-2x/5+4

Answer B

Answer:

15x^2+3x-2

Step-by-step explanation: Just like regular math but with negatives!

Step-by-step explanation:

On simplifying its

M2 + 10m - 56 = 0.......... (divide both side by 3)

M2 - 4m + 14m - 56=0

M(M-4) + 14(m-4) =0

(M+14) + (m-4)=0

M =4, - 14.

If the condition is given that you cannot put m's value negative. Than the answer is M=5....

THANKU

Answer:

m = 4

m = -14

Step-by-step explanation:

here's your solution

=> 3m^2 + 30m - 168

=> firstly we will make it in simplest form

=> take 3 common

=> 3(m^2 + 10m - 56)

=> we get , (m^2 + 10m - 56)

=> now, factories it by using middle term split

=> m^2 + 14m - 4m - 56

=> now take common

=> m(m + 14) - 4(m + 14)

=> (m - 4) (m + 14)

=> m - 4 = 0

=> m= 4

=> (m+14) =0

=> m = -14

Answer:

4:120, 6:180, 8:240

each time it's 30 x the amount of bags, it's 30 pounds a bag

Step-by-step explanation:

Answer:

455 mph (miles per hour)

Step-by-step explanation:

65 x 7 = 455

Sorry if it is short. I wanna get as much answers before Exam Mode starts.

4 hours for 18

7 hours for 25.50

Difference in hours: 7-4 = 3

Difference in cost: 25.50 - 18 = 7.50

7.50 / 3 = 2.50

A. They charge 2.50 per hour.

B. 2.50 x 4 = 10

18 - 10 = 8

The flat fee is 8 dollars

C. 8 + (2 x 2.50) = 13 dollars

Answer:

9. Let's simplify step-by-step.

Ans. 5x + 24 + 147

Combine Like Terms:

= 5x + 24 + 147

= ( 5x ) + ( 24 + 147 )

= 5x + 171

10.  Let's simplify step-by-step.

Ans. 3x + ( 7x + 10 )

Combine Like Terms:

( 3x + 7x ) + 10

10x +10

11.  Let's simplify step-by-step.

Ans. 5x + ( 2 + 3 )

5x + 5

12. 4 * 10

Ans. 40

13. 3 ( 12x )

Ans. 36x

14. 14r + 9y + 6x

Ans. 14r + 6x + 9y

Hope it helps

Please mark me as the brainliest

Thank you

Answer:

x=6

Step-by-step explanation:

The two triangles shown are similar (AAA: they share the angle on the right and the two other angles are corresponding and therefore equal).

Since, they're similar, the sides are in ratio to eachother:

[tex]\frac{x+(x+3)}{8+12} = \frac{x+3}{12}[/tex]

12(2x+3)=20(x+3)

24x+36=20x+60

4x=24

x=6

Answer:

Part A; Initial dosage is 10 milligrams

Part B:

8.4113 milligrams after 1 hour

5.0057 milligrams after 4 hours.

Step-by-step explanation:

It is given M(h)= 10 [tex]e^{-0.173h}[/tex]

Initial dosage is the 10 milligrams

After 1 hour, plug in h as 1

So, M(1)=10[tex]e^{-0.173*1}[/tex]

Simplify the right side

M(1)=10(0.84113)

M(1)= 8.4113 milligrams.

Now, after 4 hours

M(4)=10 [tex]e^{-0.173*4}[/tex]

M(4)=10(0.50057)

M(4) =5.0057 milligrams

Answer:

22.5%

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

[tex]\frac{KL}{EF}[/tex] = [tex]\frac{JK}{DE}[/tex] , substitute values

[tex]\frac{6x+3}{x+11}[/tex] = [tex]\frac{25}{10}[/tex] ( cross- multiply )

10(6x + 3) = 25(x + 11) ← distribute parenthesis on both sides

60x + 30 = 25x + 275 ( subtract 25x from both sides )

35x + 30 = 275 ( subtract 30 from both sides )

35x = 245 ( divide both sides by 35 )

x = 7

Then

KL = 6x + 3 = 6(7) + 3 = 42 + 3 = 45 → b

Answer:

y= 500+7x

Step-by-step explanation:

Given data

Total amount for the rent=  $500

Cost of food per night= $10

Family charges per night=$60

Let the number of nights be x

and let the total charges be y

Hence, the expression for the situation is given as

y=500+10x+60x

y= 500+7x

Answer:

$40

Step-by-step explanation:

$4 times $19 is $76 then $116 minus $76 is $40

Answer: 16

Step-by-step explanation:

Assume that this number is x:

When seven more than this number is doubled, the result is 46. In formula form that would be:

2 * (7 + n) = 46

Solving this formula:

2 * ( 7 + n) = 46

7 + n = 46/2

n = 46/2 - 7

n = 16

Answer:

|x-5|=0

Step-by-step explanation:

x has to be 5 in order for the equations to work.

Answer:

59.5

Step-by-step explanation:

(7x7) + (7x3)/2

Answer:

R = 10 cm

Step-by-step explanation:

The area of a spherical shape is given by :

[tex]A=4\pi r^2[/tex]

Where

r is the radius of the sphere

ATQ,

One large bubble separates into four small bubbles so that the total area of the small bubbles is equal to the area of the large bubble.

The radius of each small bubble is 5 cm

Using the given condition,

[tex]4\pi R^2=4\times (4\pi r^2)\\\\R^2=4r^2\\\\R=\sqrt{4r^2} \\\\R=2r\\\\R=2\times 5\\\\R=10\ cm[/tex]

So, the radius of the large bubble is equal to 10 cm.

Answer:

20cm

Step-by-step explanation:

5cm+5cm+5cm+5cm=20cm

Answer:

as the x value increases y values are decreases. you can know this by substituting

the values

Answer:

d I think please be right

Answer:

Step-by-step explanation:

PG 1 ) is , convergent, one solution

Pg 2)  B & D

Pg 3 )  A

Pg 4) one solution, converging, cross

Pg 5) B

okay first lets look at the question once again $24? 1. Taxi Fares are normally distributed with mean fare $22.27 and a standard deviation of $2.20.

A) What is the probability of a single Taxi fare being over $24? 0.2158

What is the probability that the average of a random sample of 10 taxi fares being over 'Sd=22 0068

B) Which should have a greater probability of being between $12 and $24 - the mean of 10 randomly selected taxi fares or the amount of a single randomly selected taxi fare? Why?​

So for A. its i dont know

and for B. its i dont know either

Answer:

(0,0)

Step-by-step explanation: