2а +3Ь — 5
b = a – 5

Answers

Answer 1

Answer:

a= -2b

Step-by-step explanation:

math.


Related Questions

please help! (URGENT)

Answers

It’s 180-135 which equals 45 so it is 45 degrees for X

Solve Using Substitution
-9x + 6y = 18
y = -6​

Answers

Answer:

the answer should be x = -6

Step-by-step explanation:

-9x + 6y = 18

-9x + 6(-6) = 18

-9x - 36 = 18

-9x - 36 + 36 = 18 + 36

-9x = 54

-9x ÷ -9 = 54 ÷ -9

x = -6

Lara eats a bowl of granola for breakfast every morning. She wonders how much granola she eats in a year. If Lara eats about one 48-ounce bag of granola every month, how many pounds of granola does she eat each year?

Answers

Answer:

36 pounds granola in a year

Step-by-step explanation:

Well there are 12 months a year.

She eats 48 ounce every month.

48 ounce = 3 pounds

3 pounds * 12 months = 36 pounds a year

//she sure does like granola o.o

If M, N, and O are midpoints of JKL, find LJ.

Answers

Answer:

the answer is 12

Step-by-step explanation:

edg 2021

The length of the side LJ of triangle ΔJKL can be obtained as 12 units. The correct option is (C).

What is a triangle?

A triangle is a two dimensional shape bound by three sides. The sum of the interior angles of a triangle is 180°. The longest side of a triangle is always less than the sum of other two sides.

As per the given question, O is the midpoint of LK.

Then, LO = OK.

The equation can be written as,

⇒ 2x = x + 8

⇒ x = 8

Then, NJ = 8 - 2 = 6

Since, N is also the midpoint of LJ.

LJ = 2 × NJ

⇒ LJ = 2 × 6 = 12.

Hence, the length of the side LJ can be found as 12 units.

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What is the missing length?
y
6 in
area = 18 in?
y
inches

Answers

Answer:

3in

Step-by-step explanation:

18 divded by 6 in is 3 in

Seven pizzas require 3 bags of cheese.How many bags of cheese are needed to make 21 pizzas?

Answers

Answer:

12 Bags of Cheese

Step-by-step explanation:

7 Pizza = 3 Bags

(                          ) 3 = 21

21 pizza's= 12 Bags

Which expression is equivalent to
(5^-2)(5^-1)
A. -1/125
B. -1/5
C.1/125
D.1/5

Answers

Answer:is 5 ^ -2 ????

Step-by-step explanation:

Gwendolyn placed a 10-foot ladder against the side of her house so that the base of the ladder was 3 feet from the base of the house, as shown in the diagram below. Which measurement in feet is closest to d, the distance from the top of the ladder to the ground?

Answers

Answer 9.5

you do the pyragtaham theory thing its A(squared) + B (squared) = C squared

you put the 3 at the A and you put the 10 at the C you sqaure them all up and then subtrct 9 from 100 and you get 91 and then you square root 91 and you get 9.5

The distance from the top of the ladder to the ground is 9.54 ft.

What is a right triangle?

"It is a triangle whose one of the angle is 90°"

What is hypotenuse?

"The longest side of the right triangle is called as hypotenuse."

What is Pythagoras theorem?

"For a right triangle,

c² = a ² + b²,

where c = hypotenuse and a, b are other two sides of right triangle."

For given example,

Gwendolyn placed a ladder against the side of her house.

This means, it makes right triangle with ladder hypotenuse and base of the triangle is the distance between base of the ladder and the base of the house.

Let 'a' be the hypotenuse of triangle, 'b' be the base and  'd' be the distance from the top of the ladder to the ground

⇒ a = 3 ft. and b = 10 ft.

Using Pythagoras theorem,

⇒ b² = a² + d²

⇒ 10² = 3² + d²

⇒ 100 = 9 + d²

⇒ d² = 91

⇒ d = 9.54 ft.

Therefore, the distance from the top of the ladder to the ground is 9.54 ft.

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5k - 9 - 2k + 3 = 3k - 6

Answers

The equation is true and interval notation.

hello please anyone answer that 9/20=.......%​

Answers

THATS A DIFFICULT QUESTION SIR

Question/Equation:

9/20=__%

Answer/Steps to answer:

1. For the denominator, recognize that 20×5=100.

Multiple = 55

2. Multiply both the numerator and denominator by the multiple 5.

9×5/20×5

3. Simplify.

45/100

4. Simplify.

45% (0.45 Is Decimal Form)

Done by NeighborhoodDealer

A bag is filled with green and blue marbles. There are 43 marbles in the bag. If there are 7 more green
marbles than blue marbles, find the number of green marbles and the number of blue marbles in the bag.
Equation (use x as your variable):
The number of blue marbles is:____
The number of green marbles is:____

Answers

Answer:

Blue marbles: 18

Green marbles: 25

Step-by-step explanation:

First off, we have to define our variables.

g = # of green marbles

b = # of blue marbles

We know two equations:

g + b = 43 and g = b + 7

If you're wondering how I got the first equation, it was because the number of green and blue marbles is 43. For the second equation, we know that there are 7 more green marbles than blue marbles.

Now, we have an equation for the number of green marbles. We can plug that equation into the equation g + b = 43.

So, (b + 7) + b = 43.

When we simplify it, we get 2b + 7 = 43.

We subtract 7 from both sides, which gets us 2b = 36.

Now, b = 36/2.

b = 18.

So, we found out the number of blue marbles that we have. We know that g + b = 43. Now, all we have to do is plug in the number of blue marbles into that equation to find out the number of green marbles.

g + 18 = 43.

g = 43 - 18.

g = 25.

Thus, the number of green marbles we have is 25 and the number of blue marbles is 18.

help me please I am very confused T-T

Answers

i believe you do 180 - 149 because it's a linear pair, it makes a t shape!!

Answer:

x=31

Step-by-step explanation:

that is an example of suplementary angles meaning that they will add up to equal 180

180-149=31

x=31

Solve this quadratic equation using the quadratic formula.
(3- y)(y + 4) =3y -5

Answers

Answer:

y=-(2±√21)

Step-by-step explanation:

Answer:

y=-6.5

Step-by-step explanation:

Jamal drew a picture.
8 cm
4 cm
What is the area of the picture Jamal drew? Enter the answer in the box.

Answers

area of rectangle = l×b

So, area of drawing = l×b = 8cm×4cm = 32cm²

Pls help me out with this will mark brainliest

Answers

The answer is i think uhhh 702.456
The correct answer is d

Write 7/50 as a percent.

Answers

Answer:

14 percent

Step-by-step explanation:

I believe the answer would be 14%

Can someone. Explain why it’s 14/50 will mark brainliest.

Answers

Some is opposite over hypotenuse, so because you are going from angle W, the opposite leg would be 14, and the hypotenuse is 50

Answer:

14/50

Step-by-step explanation:

it's 14/50 b/c with sin, the equation is [sin(w)=opp/hyp]. In this case, the opposite is 14 and the hypotenuse is 50.

Given that ABCD is a parallelogram with diagonals intersecting at M. Segment PQ is drawn such that P lies on AB and Q lies on DC and it passes through M. Prove that PM is congruent to QM.​

Answers

Answer:

we thus have enough informnation to prove that the two triangles are congruent. Because of thism, one side of the triangles, Pm which is the congruent side to that of PQ must be equal as well and

PM = QM

Step-by-step explanation:

because it's a parrallelogram, Ad = BC and AB = DC.

P passes through both  AB and DC on a diagonal, angles created by P have oppoiste exterior angles of eachother.

the diagonals of AC create congruent angles at DMC and AMB and because P is cutting through them, the angles P cuts at DMQ and QMC are equal to that of AMP and PMB

that being said, we now see that the angles of APM triangle and AMC triangol are equal and because the diagonal of BD is is being cut by AC, which AD is parralel to BC  and AB to Dc, we know now that lines AM and MC are congruent

we thus have enough informnation to prove that the two triangles are congruent. Because of thism, one side of the triangles, Pm which is the congruent side to that of PQ must be equal as well and

thus PM = QM

The alternate interior angles formed by the parallel sides and a common

transversal are equal, such that ΔPBM and ΔQDM are congruent.

Correct response;

PM is congruent to QM  by CPCTC

How is the congruency of the segments determined?

The two column proof is presented as follows;

Statement [tex]{}[/tex]                                          Reason

ABCD is a parallelogram [tex]{}[/tex]                         Given

AC and DB are diagonals of ABCD [tex]{}[/tex]        Given[tex]{}[/tex]

M is the point of intersection of the diagonals [tex]{}[/tex] Given

MB ≅ DM, and AM ≅ CM;[tex]{}[/tex]  Properties of the diagonals of a parallelogram

∠PMB ≅ ∠DMQ [tex]{}[/tex]                                Vertical angles theorem

∠PBM ≅ ∠QDM [tex]{}[/tex]                                Alternate interior angles theorem

ΔPBM ≅ ΔQDM  [tex]{}[/tex]                               Angle-Side-Angle Congruency post.

PM ≅ QM [tex]{}[/tex]                                          CPCTC

ΔPBM is congruent to ΔQDM by Angle-Side-Angle congruency

postulate, given that they have two angles and an included side that are

congruent.

Therefore;

PM is congruent to QM by Corresponding Parts of Congruent Triangles are Congruent, CPCTC.

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CAN SOMEONE HELP ME PLEASEEE

Answers

Answer:

a. 45 degrees

b. 315 degrees

c. 8π

d. π

e. 7π

f. 16π

g. 2π

pLz, help I really don't understand these problems at all.
Click here to see the screenshot

Answers

Answer:

1. You should use subtraction (20-12.68=7.32)

2. You should use multiplication

3. You need to know 5 boxes and $5.29

4. You need to know 10 packages and 2 cases

Step-by-step explanation:

I hope this helpss!!

What is the area of this parallelogram?
28 m²
56 m²
84 m²
120 m²

Answers

Answer:

84 m squared

Step-by-step explanation:

Answer:

84 m²

Step-by-step explanation:

Area of parallelogram = (4 + 8)* 7 = 12*7 = 84 Sq m

Cost of meal for 3 at Olive Garden Restaurant with the tax is $54.

How much would a 15% tip be for the waiter? (Round your answer to the nearest dollar amount.) PLEASE HELP

Answers

It should be 8 dollars

Y=6-4(2). What is the value of y=6-4x when x=2

Answers

Answer:

y = -2

Step-by-step explanation:

1. 12 more than m



A. m - 12
B. 12 - m
C. m + 12
D. 12 + m

2. g less than 36

A. 36 - g
B. g - 36
C. 36 + g
D. g + 36

3. 17 times s

A. 17 + s
B. s/17
C. 17s
D. 17 - s

4. u tripled

A. 3u
B. 3 - u
C. u/3
D. 3 + u

5. 4 less than k

A. 4 - k
B. k - 4
C. 4 + k
D. k + 4

Answers

if you more like this^^^^^^^^^^

Answer:

1.D

2.A

3.C

4.A

5.B

hope it's helpful ❤❤❤❤

THANK YOU.

#

Round 576.558 to the nearest tenths place

Answers

Answer:

576.6

(look at the number by the 10th place and round)

The value of 576.558 after rounding to the nearest tenth-place value is

576.6.

Option A is the correct answer.

What is place value?

The place value of a number is given as:

Example:

1234.567

1 = thousand place value

2 = hundred place value

3 = tens place value

4 = ones place value

5 = tenths place value

6 = hundredths place value

7 = thousandths place value

We have,

576.558

The number in the tenth place is 5 bolded underscore.

576.558

Now,

The next value is 5 which is greater or equal to 5 so we will change the tenth place value 5 into 6.

If the next value was 4 or less we will keep the tenth place value 5 as 5.

Now,

The value of 576.558 after rounding to the nearest tenth-place value is

576.6.

Thus,

The value of 576.558 after rounding to the nearest tenth-place value is

576.6.

Option A is the correct answer.

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A clothing store is having a sale in which everything is 10% off. A shirt’s original price is $27. A customer uses a coupon for $5 off after the sale price. How much did the customer save?

Answers

Answer:

$5.70

Step-by-step explanation:

PLEASE HELP! WILL MARK BRANLIEST
A university has 34,590 students. In a random sample of 165 students, 11 speak three or more languages. Predict the number of students at the university who speak three or more languages.



The expected number of students at the university who speak three or more languages is____

Answers

11/165 = x/34590
165x = 380490
x=2306
The expected number of students at the university who speak three or more languages is 2,306.

PLEASE HELP ME I WILL GUVE BRAINLIEST I REALLY NEED HELP

Answers

The word solution means the value that makes the equation true. 88 is the solution because it makes he equation true.

PLEASE HELP ME ASAP?!?
Find the length of the missing side. Simplify all radicals.

Answers

Answer:

22.47

22.5 (simplified)

Step-by-step explanation:

22.47 = √(8^2 + 21^2)

answers please, asap!!

Answers

Answer:

x2 =  -0.600000

x3 = -0.521600

Step-by-step explanation:

Given the formula;

xn+1 = (xn)³-5/10

x2 = (x1)³-5/10

Given x1 = -1

x2 = (-1)³-5/10

x2 = (-1-5)/10

x2 = -6/10

x2 = -0.600000

x3 = (x3)³-5/10

Given x3 = -0.6

x3 = (-0.6)³-5/10

x3 = (-0.216-5)/10

x3 = -5.216/10

x3 = -0.521600

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