3. Multiply
a. (7a-b) (a +7b)

Answers

Answer 1
you already got the annswer but if you ever need math answers and or explanations asap use the app mathaway:)

Related Questions

Tickets for the school play cost $7 each. Each member of the cast gets 1 free ticket for a family member. For the run of the play, 210 tickets are collected, including all the free tickets, and the box office makes $1,358 from ticket sales. The equation that models this situation is7(210 – c) = 1,358 where c is the number of cast members. How many cast members are in the play?

Answers

Answer:

there are 16 cast members.

Step-by-step explanation:

7(210-c)=1358 multiply everything in the parentheses by 7

1470-cx=1358

-7c=-112 subtract 1470 from both sides

c=16 divide -112 by -7

c=16

What is the equation of a line, in general form, that passes through the point (1, -2) and has a slope of 1/3.

Answers

Y=1/3x+c as 1/3 is the gradient/slope
Plug in the coordinates into the equation
-2= 1/3*(1) +c
C=-2-1/3
C=-7/3
Y= 1/3x-7/3

Answer:

weed

Step-by-step explanation:

cause yes, cause I said so :)

Point P′(–6, –4) is the image of point P(–2, 3) under a translation. What is the image of (5, –1) under the same translation?
A. (9, 6)
B. (–1, –5)
C. (1, –8)
D. (3, 2)

Answers

Answer:c

Step-by-step explanation:

complete the missing value in the solution to the equation.

Answers

Y= 5

5(8) - 2(5)

40 - 10 = 30

Help will mark Brainliest

Answers

Answer:

Step-by-step explanation:

x = (20 + 12)/2

x = 32/2

x = 16

Answer:

17

Step-by-step explanation:

Solve the equation 3x + 6y = 18 for X.
O A. x = 6 - 2y
B. x= 2y - 6
O
C. x= 18 - 6y
O D. x=3-4

Answers

Answer:

x= 2y - 6

Step-by-step explanation:

what is the half way point for 20000 and 30000

Answers

25000 is halfway between the two

HELP ME DONT SCROLL BY THIS
Multiple choice math

Answers

Answer:

The answer is A

Step-by-step explanation:

Trust me its correct

Pls mark me as brainliest

Find the measures of the missing angles

Answers

Answer:

Step-by-step explanation:

∠1 = 180° - 88° = 92°

∠5 = 81° (alternate interior angles)

∠4 = 180° - ( 81° + 64° ) = 35°

∠3 = 180° - ( 81° + 35° ) = 64°

∠2 = 88° - 64° = 24°

Answer:

1. 92°

2. 24°

3. 64°

4. 35°

5. 81°

Step-by-step explanation:

1.

180 - 88 = 92°

5.

81° and ∠5 are alternate angles because there are two parallel lines. This means that ∠5 would be 88° as well (alternate angles are equal)

4.

Sum of angles in a triangle = 180°

∠4 + 88 + 64 = 180

∠4 = 35°

3.

Linear pair = 180°

∠3 + 81 + 35 = 180

∠3 = 180 - 81 - 35

∠3 = 64°

2.

Sum of angles in a triangle = 180°

∠2 + 92 + 64 = 180°

∠2 = 24°

Sara measures and finds that she can do a vertical jump that is 27% of her height. If she is 63 inches tall, how high (in inches), can she jump

Answers

Answer:

sara can jump 17.01 inches high

Step-by-step explanation:

0.27×63=17.01

find the measuremeant of the angle indicated??

Answers

Answer:

140°

Step-by-step explanation:

The opposite angles in a parallelogram are congruent, thus

∠ K = ∠ M = 140°

PLEASE HELP, WILL GIVE BRAINLIEST

Explain the process you would use to determine what form a solution to a system of inequalities should take. What are some tips and tricks?

Answers

Answer:

Solving a system of inequalities is almost like solving a system of equations. Pretend that the inequality signs are equal signs for a moment. Then, solve the system for the two unknown variables just like how you would solve for in a system of equations.

But, there's a catch. If you divide both sides of the inequality by a negative number, you have to flip the inequality sign. For example, if you are trying to solve the inequality -x > 4 you would have to divide both sides of the equation by -1. We would get x < -4 (see how I switched the inequality sign from > to <).

Once you find the values of x and y (they will be an inequality), graph the solutions.

HELP I WILL CROWN BRAINLIEST
One question only

Answers

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AOBC is a parallelogram ,

Thus :

[tex]OA = BC = a[/tex]

And ;

[tex]AC = OB = b [/tex]

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M is the midpoint of AC ,

So :

[tex]AM = MC = \frac{b}{2} \\ [/tex]

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According to case of Cosine in ∆ OAM :

[tex] {OM}^{2} = {OA}^{2} + {AM}^{2} - 2( OA) \times ( AM) \times \cos(A) \\ [/tex]

So :

[tex] {OM}^{2} = {a}^{2} + \frac{ {b}^{2} }{4} - 2(a)( \frac{b}{2} ) \cos(A) \\ [/tex]

[tex] {OM}^{2} = \frac{4 {a}^{2} + b}{4} - ab \cos(A) \\ [/tex]

_________________________________

I have something more to tell.

Just for know more...

According to the case of Sine in ∆ OAM :

[tex] \frac{OM}{ sin(A) } = \frac{

AM}{ \sin(O) } = \frac{OA}{ \sin(M) } \\ [/tex]

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Dave wrote the equation
, and Bonnie graphed the function shown below.

Answers

Answer:

dolor sit amet, coisse. Enim neque volutpat ac tincidunt vitae. Leo a diam sollicitudin tempor id eu nisl nunc. A diam maecenas se ut sem viverra.dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut ln tempor id eu nisl nunc. A diam maecenas sed enim ut sem viverra.dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Habitant morbi tristique senectus et netus et

Step-by-step explanation:

dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Habitant morbi tristique senectus et netus et malesuada fames. Pharetra massa massa ultricies mi. Tortor at risus viv et egestas quis ipsum suspendisse. Enim neque volutpat ac tincidunt vitae. Leo a diam sollicitudin tempor id eu nisl nunc. A diam maecenas sed enim ut sem viverra.dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Habitant morbi tristique senectus et netus et malesuada fames. Pharetra massa massa ultricies mi. Tortor at risus viv et egestas quis ipsum suspendisse. Enim neque volutpat ac tincidunt vitae. Leo a diam sollicitudin tempor id eu nisl nunc. A diam maecenas sed enim ut sem viverra.

At the grocery store, your items cost $20.00 and the total after tax
was $22.00 What was the percent of sales tax applied to your items?

Answers

Answer:

10%

Step-by-step explanation:

The applied tax was 10%

What is the slope of the line that passes through the points (-8, 3) and (-8, 5)?

Answers

Answer:

The slope is undefined

Step-by-step explanation:

Slope (m) = infinity  (undefined)

θ =  π  = 90°

2

distance (d) = 2

ΔX = 0  

ΔY = 2

Simplify 7 +(-3). (1 point)

Answers

Answer:

4

Step-by-step explanation:

7-3=4

Answer:

7-3=4

Step-by-step explanation:

Im not quite sure if this is what you were asking for but here

Your cell phone plan costs $34.99 per month plus $0.15 for each text message you send or receive. You have at most $40 to spend on your cell phone bill. what is the maximum number of text messages that you can send or receive next month?

Answers

Answer:

33 texts

Step-by-step explanation:

34.99+0.15(t)=40

lets say t is number of texts

subtract 34.99 from both sides

0.15(t)=$5.01

divide 5.01 by .15

33.4

but you cant send .4 of a text

so 33 texts

On a shopping trip, Kellen spent $3 on a bus ticket, $9 on a book, and $5 for
lunch. He had $18 left after the trip. How much money did he start with?
O A. $32
B. $1
C. $26
D. $35

Answers

D. 35!

Step by step:
3+9+5+18= 35!
It is D add all the numbers together

13) If a+b+c+d+e=0 and a+c+e=b+d then which of the following is factor of ax^4+bx^3+cx^2+dx+e

x+1
x-1
x^2-1
All the above​

Answers

Answer:

I think its opinion 3 or all the above am not sure

-2(m + 2) - 12 = -8 help

Answers

Answer:

m = -4

Step-by-step explanation:

-2m-4-12 = -8

-2m = -8+4+12

-2m = 8

m = -8/2

m = -4

Answer:

m=12

Step-by-step explanation:

Substitute 12 for m.

Given: KM bisects JKL
Prove: m MKL= 1/2m JKL
please explain

Answers

Answer:

Can I have a picture?

Step-by-step explanation:

Put it DB and I'll gladly answer!

Solve the following equation (image attached).

Answers

Answer:

Step-by-step explanation:

In right triangle ABC, altitude CD is drawn to its hypotenuse. Select all triangles which must be similar to triangle ABC.

Answers

Answer: ABC, ACD, CBD

Step-by-step explanation: I just did this problem and got it wrong. It then gave me the correct answer which is ABC, ACD, CBD.

The triangles that should be similar to triangle ABC is  ABC, ACD, CBD.

What is the right triangle:

It is known as the rectangled triangle where the one angle should be treated as the right angle or here the two sides should be perpendicular. The relationship between the sides and the other angles should depend upon the trigonometry

Therefore, The triangles that should be similar to triangle ABC is  ABC, ACD, CBD.

Learn more about triangle here: https://brainly.com/question/19606977

i need help by 5 divided by 7/10

Answers

Answer: 50/7_____________________________________Reduce the expression, if possible, by cancelling the common factors.Exact Form:50/7Decimal Form:7.¯¯¯¯¯¯¯¯¯¯¯¯142857Mixed Number Form/Simplified:7 1/7___________________________________________________

Hope this helps!

Also can I please have Brainliest?

Only if I'm right of course...

if two thirds of a number is 56, what is three-quarters of that number?

Answers

Answer:

84

Step-by-step explanation:

56/2 = 28

28 x 3 = 84

To check work: 84/3 =28

what is -12x-17=-125

Answers

Answer:

X = 9

Step-by-step explanation:

Ranger's friend, Foster, wanted to challenge him by creating this expression involving two sets of parentheses with fractions:1 3 (9x − 15) + 4(x + 1 2 ) Ranger showed his first two steps below. 1. Distribute 1 3 and 4 through the parentheses: 1 3 (9x) − 1 3 (15) + 4(x) + 4(1 2 ) 2. Find each product: 3x − 5 + 4x + 2 3. Combine like terms: What should Ranger write for step 3?

Answers

Answer:

7x - 3

General Formulas and Concepts:

Order of Operations: BPEMDASProperties

Step-by-step explanation:

Step 1: Define expression

1/3(9x - 15) + 4(x + 1/2)

Step 2: Simplify

Distribute:                              1/3(9x) - 1/3(15) + 4(x) + 4(1/2)Simplify:                                 3x - 5 + 4x + 2Combine like terms:              7x - 3

Answer:

7x - 3

Step-by-step explanation:

A person standing close to the edge on top of a 144-foot building throws a ball vertically upward. The quadratic function h ( t ) = − 16 t 2 + 128 t + 144 models the ball's height about the ground, h ( t ) , in feet, t seconds after it was thrown. What is the maximum height of the ball?

Answers

Answer:

400m

Step-by-step explanation:

Given the quadratic equation that models the height of the ball above the ground as;

h ( t ) = − 16 t^2 + 128 t + 144

t is in seconds

To get the maximum height of the ball, first we must know the time taken by the ball to reach the maximum height.

Note that the ball has a velocity of zero at its maximum height.

v(t) = dh/dt

v(t) = -32t+ 128

at max height, v(t) = 0

0 = -32t + 128

32t = 128

t = 128/32

t = 4secs

To get the maximum height of the ball, you will substitute t = 4 into the modeled function as shown;

h ( t ) = − 16 t^2 + 128 t + 144

h ( 4 ) = − 16 (4)^2 + 128 (4) + 144

h ( 4 ) = − 256 + 512 + 144

h(4) = 400m

Hence the maximum height of the ball is 400m

How much more would you need to swing this door completely open if it was already open 68 degrees?

Answers

I think its 102 , but im not sure

Answer:

112 degrees

Step-by-step explanation:

have a good day (:

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