9a - 3d =3
-3a + d = -1

Answers

Answer 1

Answer:

a=\frac{1+d}{3}

Step-by-step explanation:


Related Questions

Brainlest Evaluate (-2-2-1/2)³​

Answers

Decimal form -91.125

Exact form -729/8

Answer:

[tex]\sf\longmapsto \: \frac{ - 792}{8} [/tex]

Step-by-step explanation:

[tex]\sf\longmapsto \: (−4− \frac{1}{2} ) {}^{3} [/tex]

[tex]\sf\longmapsto \: (− \frac{9}{2} ) {}^{3} [/tex]

[tex]\sf\longmapsto \: \frac{ - 729}{8} [/tex]

[tex]\sf\longmapsto \: Decimal: -91.125[/tex]

Given, OA = OV, what congruency statements can
you make? Check all that apply.
BC = ZY
BE = 2x
CB = Y Z
OZDAB = ZZVX
DE = WX
O BE =ZX

Answers

Answer: Look at Explanation

Step-by-step explanation:

Your Welcome <3

6. There are only cars and trucks in the parking lot. Five out of every 13
vehicles are cars. If there are 143 vehicles in the parking lot, how many
are trucks?

Pls help me

Answers

Answer:

88 trucks

Step-by-step explanation:

Ratio of cars : vehicles = 5:13

Hence, the ratio of trucks : vehicles = 8:13

143/13 = 11

If the number of vehicles is 143,

we have to multiply both sides of the ratio by 11:

8*11 : 13* 11

88 : 143

Hence, there are 88 trucks for every 143 vehicles.

Hope this answers your question... Have a wonderful time ahead at Brainly!

Sam bought a jacket marked $85.00 and a sweater marked $60.00. If the store was having a 20% off sale on all items, how many dollars did Sam save?

Answers

Answer:

he saved $7.25 Dollars

Step-by-step explanation:

$85 .00÷20% = 4.25 + $60.00 ÷ 20% = 3

What is the x and y intercept of 2.5x+8y=240 please show your work.

Answers

Answer:

The x and y intercept are (96,30)

Step-by-step explanation:

8y=240-2.5x

y=240/8-2.5x/8

y=30-0.3125x

The y intercept=30

The x intercept=96 thus 30=0.3125x,x=30/0.3125

The perimeter of an equilateral triangle is 12 inches. After a dilation, the
perimeter of the image is 42 inches. What is the scale factor of the dilation?

Answers

Based on the change in the perimeter, the scale factor of the dilation is 3.5.

The scale factor of the dilation refers to the number of times the triangle was dilated such that it went from 12 inches to 42 inches.

This dilation can be found as:

= Increased perimeter / Original perimeter

Solving for it would give:

= 42 / 12

= 3.5

In conclusion, the scale factor of the dilation is 3.5.

Find out more at https://brainly.com/question/8765466.

AH IM SO BAD AT MATHHH SORRY !

Answers

Answer: 135 degrees

Step-by-step explanation:

Answer:

135

Step-by-step explanation:

sum of triangle angles = 180

then JLK =. 180 -(70+65) = 180 - 135 = 45

then JLK = 45

since JLM = 180

then KLM = 180 - 45 = 135

find the second and third terms of each sequence with the information provided


1) 6_ _ 33

2) 17_ _5

Answers

To be honest I don’t know

a man earned $180 for working 14 hours. How many hours must he work to earn 300

Answers

Answer:

it would be roughly 24 hours

Step-by-step explanation:

180÷14

12.8571428571

simplify to 12.85

12.85× X = 300

X=24

Write the equation of the line in fully simplified slope-intercept form.

Answers

Answer:

y= [tex]\frac{5}{6} x[/tex] + 4

Step-by-step explanation:

Pick two points: (-6,-10) and (0,4)

Then solve for m (slope): I picked (0,4)

[tex]m= \frac{4-(-1)}{0-(-6)} =\frac{5}{6}[/tex]

Then put in slope intercept form:

4= [tex]\frac{5}{6} (0)[/tex] + b

4=b

Then put in final form:

y= [tex]\frac{5}{6} x[/tex] + 4

Hope this helps!

Answer:

y=5/6x+4

Step-by-step explanation:

how many grams of paint are needed to color the rectangular box below, if 5 grams of the paint are needed to color one small cube.

Answers

Answer: 210 grams

Step-by-step explanation:

Given,

One cube= 5 grams of paint

According to question,

There are= (9*2)+(6*4) cubes

               = 18+24 cubes

                =42 cubes

Total paint needed= 5*42 grams

                               =210 grams(answer)

plz help....................

Answers

Solution:

[tex]x + 18 = 54 \\ = > x = 54 - 18 \\ = > x = 36[/tex]

Answer:

Option A. x = 36

Hope it helps

ray4918 here to help.

>> Answer

_____________

[tex] \: [/tex]

Step by step :

x + 18 = 54

x = 54 - 18

x = 36 (A.)

how to find the distance between the two parallel lines: y=2x-3 and y= 2x+7

Answers

Answer:

Distance is 10

Step-by-step explanation:

distance between y1=2x-3 and y2= 2x+7

y2 - y1 = (2x +7) - (2x - 3) = 10

Answer:

10

Step-by-step explanation:

.

.

.......... ......

z−4/9−1/3=5/9 Enter your answer as a fraction in simplest form in the box. z =

Answers

Answer:

z = 4/3 or 1 1/3

Step-by-step explanation:

z−4/9−1/3=5/9

Change 1/3 to have a denominator of 9

1/3 *3/3 = 3/9

z−4/9−3/9=5/9

Combine like terms

z -7/9 = 5/9

Add 7/9 to each side

z-7/9+7/9 = 5/9+7/9

z = 12/9

z=4/3

or as a mixed number

z = 1 1/3

f (x) = x +11. Find the inverse of f(x).

O A. f-1(2) = x3 + 11

O B. f-'(x) = (x + 11)3

O c. f-1(x) = 23 – 11

O D. f-1(x) = (2x – 11)3

Answers

Answer:

y = x - 11

Step-by-step explanation:

f (x) = x + 11

y = x + 11

x = y + 11

x - 11 = y

he difference of 29 and n

Answers

Answer:

absolute value of n - 29

Step-by-step explanation:

n - 29

Please help I need to finish his before school.

Answers

Answer: m = 1
b = 0
y = 1x + 0

Explanation:

The formula is

Y = mx + b

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

So don’t the y intercept witch is 0 and the slope which is 1

Hope this helps

14) Andre went hiking by his house, The first trail he hiked took him 4.5 miles away from his
house. The second trail he hiked took him 2.4 miles closer to his house. The third trail
took him 1.7 miles further away from his house. After Andre hiked the three trails, how
far from his house was he?

Answers

Answer : 3.8 miles
Step by step explanation :
The calculation is the following :
4.5 miles of the first hike minus 2.4 miles of the second hike
4.5 - 2.4 = 2.1
Then you have to add those 2.1 miles the 1.7 miles of the third and last hike
2.1 + 1.7 = 3.8 miles

Can someone help me?

Answers

Answer:

I'm not sure from my answer but I'm going to try

A =  { a^2  -  4  = 0 }

A = { a^2  = 0+ 4 }

A = { a^2  = 4}

Take root of both sides

A = {a = 2}

A = {2}

B = { -2, -1, 0, 1, 2}

C = { 1, 2, 3, 4, 5, 6,7}

i) A\B

= {2} \ {-2,-1,0,1,2}

= ⌀ ( "null set" )

ii) (A\B) \C

= ( {2} \ {-2,-1,0,1,2} ) \ C

= ⌀ \ C

= ⌀ \ { 1, 2, 3, 4, 5, 6,7}

= ⌀ ( "null set" )

iii) (A ∪ B) \ C

= ( { 2 } ∪ { -2, -1, 0, 1, 2} ) \ C

= { -2, -1, 0, 1, 2} \C

= { -2, -1, 0, 1, 2} \ { 1, 2, 3, 4, 5, 6,7}

= { -2, -1, 0 }

iv) ( A\B) ∩ ( A\C)

= (  { 2 } \ {-2,-1,0,1,2} ) ∩ ( { 2 } \ { { 1, 2, 3, 4, 5, 6,7} )

= ⌀ ∩ ⌀

= ⌀

v) ( A ∩ B ) \ C

= ( { 2 }  ∩  { -2, -1, 0, 1, 2 } ) \ C

= { 2 } \ { 1, 2, 3, 4, 5, 6, 7 }

= ⌀ "null set"

a few questions here sryy

An airplane travels at a speed of 582 miles per hour to reach its destination in 4 hours. Determine the duration of the flight, if the airplane travels at a speed of 388 miles per hour.

(for the graph image)
write an equation for the given graph

T = d/14000
d = T/14000
14000 = T/d
T = 14000/d
T = 14000d

Answers

It takes 6 hours to reach the destination when traveling at 388 mph.

Speed is the ratio of total distance traveled to the total time taken It is given by:

Speed = distance/time

Given that it takes 4 hours to reach a destination when travelling at 582mph, hence the distance is:

582 = distance / 4

distance = 2328 miles

If travelling at 388 mph, the time is:

388 = 2328 / time

time = 6 hours

Hence it takes 6 hours to reach the destination when traveling at 388 mph.

Find out more at: https://brainly.com/question/22610586

You have $75 in your bank account. Each week you plan to deposit $8 from your allowance and $25 from your paycheck. The equation b=75+(25+8)w gives the amount b in your account after w weeks. How many weeks from now will you have $270 in your bank account?

Answers

Answer:

Step-by-step explanation:

Combine the two sources of income (25 + 8) = 33

b = 75+ (33)w

Let b = 270

Solve for w

270 = 75 + 33*w           Subtract 75 from both sides

270 - 75 = 33w

195 = 33w                     Divide by 33

195/33 = w            

w = 5.91 weeks              

The question is what do you do now?

The answer should be that you round to the next week which means that it will take you 6 weeks to get just over 270 dollars.

Help pls :) thanks!!!!!

Answers

Given :-

A bag has 20 counters .16 are green .

To find :-

The probability that it is green .

Solution :-

As we know that ,

P = Total no. of favourable outcomes/Total number of possible outcomes

Substitute ,

P(of getting a green ) = 16/20 P(of getting a green ) = 4/5

Answer:16/20 equals 4/5

Step-by-step explanation:they are asking what is the probability that it is green so we know that 16 counters is green and total counters is 20 so it’s 16/20 and then you simplify it the answer is 4/5



Which angle is not necessarily congruent to 1?

Answers

Answer:

12

Step-by-step explanation:

the answer is just 12.

someone please help me giving brainliest

Answers

Answer:

Step-by-step explanation:

v=t+s+u, for the letter u please and thank you

Answers

Answer:

u = v - s - t

Step-by-step explanation:

V=t+s+u, for the letter u please and thank you

v  = t + s + u

u = v - s - t

Which of the following statements is true in its conditional and converse forms?

If K is between points J and L, then K is a midpoint.
If a polygon has 3 sides, then the sum of its interior angles is 180°.
If two angles are right angles, then they are congruent.
If B is the midpoint of AC¯¯¯¯¯¯¯¯, then AB = BC.

Answers

The converse statement involves switching the hypothesis and the conclusion of a conditional statement.

The correct statement is (d) If B is the midpoint of AC, then AB = BC.

The converse of the given conditional statements are:

If K is a midpoint, then K is between points J and LIf the sum of interior angles is  180°, then the polygon has 3 sidesIf two angles are congruent, then they are right anglesIf AB = BC, then B is the midpoint of AC

From the above statements, (a), (b) and (c) are not the same as the conditional statement, because:

Point K does not have to be between points J and L to be a midpoint.The sum of interior angles of all polygons (whether it has 3 sides or more) is 180 degreesCongruent angles may not be right angles

For option (d):

For B to be a midpoint of AC, it means that sides AB and BC are congruent.

Hence, the correct statement is (d)

Read more about conditional and converse statements at:

https://brainly.com/question/17684283

what is the first natural number
A.0 B.1. C.-1​

Answers

Answer:

1

Step-by-step explanation:

1 is the first natural number because 0 is not a natural number.

All natural numbers are numbers from 1 onward.

Ex. 1.2.3.4.5.6...

Point M(-6,8) is dilated from the origin with a scale factor of 1/2. What is the coordinate of M'? *

Answers

Point M(-6,8) is dilated from the origin with a scale factor of 1/2, hence the new point is M'(-3, 4)

Transformation is the movement of a point from its initial location to a new location. Types of transformation are rotation, reflection, dilation and translation.

If a point A(x, y) is dilated by a factor k, the new point is A'(kx, ky).

Given Point M(-6,8) is dilated from the origin with a scale factor of 1/2, hence the new point is at:

M'(-3, 4)

Find out more at: https://brainly.com/question/13176891

60 POINTS HELPP!!

The value of y varies directly with x. if x=3, then y=18. What is the value of x when y=84?

Answers

Answer:

it is 14

Step-by-step explanation:

if X=14 then Y=84

Answer:14
When Y=18
X=3
Then
Y=84
X=14

-
2x2 - 4x
b) Factorise

Answers

The answer is 2x X (x-2)
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