Solve the system of equations by substitution.
3/8x +1/3y=17/24
x+7y=8

Answers

Answer 1

Answer:

x=1, y=1.

Step-by-step explanation:

From the second equation:

x = 8 - 7y, so substituting for x in the first equation:

3/8(8 - 7y) + 1/3y = 17/24

3 - 21/8 y + 1/3y = 17/24

1/3y - 21/8y = 17/24 - 3

Multiply through by 24:

8y - 21*3 y = 17 - 72

8y - 63y = -55

-55y = -55

y = 1.

And  substituting for y in the second equation:

x + 7(1) = 8

x = 8 - 7

x =  1.


Related Questions

Can someone explain this to me

Answers

Answer:

54°

Step-by-step explanation:

The angles inside of a triangle will equal a sum of 180. So you use the equation X= 180-(80+46)

please brainliest

54 degrees




Hope I helped :)

For one acute angle θ of a right triangle, tan θ =2/[tex]\sqrt{x} 5[/tex]
. Find the other five trigonometric functions of θ.
Simplify radicals.

Answers

Step-by-step explanation:

hope this much is ok

___ welcome____

2x25 distributive property

Answers

Answer:

2 x 25 is 50

Step-by-step explanation: whats  distributive property cause i forgot

Answer:

50

Step-by-step explanation: You can't expand it farther from there. It doesn't have parenthesis, it just has a two numbered equation with a multiplication symbol.  

The actual amount of water in a test tube is 680 mL but when Tim measured it he erred by 3% too high. What measurement did Tim get

Answers

Answer:

Step-by-step explanation:

Answer:

700.4mL is the answer

Step-by-step explanation:

25.37 x 3.8
pls help

Answers

Answer:

96.406 :)

Step-by-step explanation:

Answer:

calculator

Step-by-step explanation:

i

three components of the term​

Answers

Answer: “5” is an exponent

Step-by-step explanation:

Solve for x.


−12x+13>35


Drag and drop a number or symbol into each box to correctly complete the solution.

less or greater than

Answers

Answer:

the answer is 4

Step-by-step explanation:i hope im right sry if im not

The answer is 10 cause u divide the factors then regroup them and divide x by the number of your answers

PLEASE HURRY TY:)))))):):);););)::):):):):):):):

Answers

ASA. Benebdbdbfbdvfvfvfv
End d f f

Sonia is older than her brother Eddie.The sums of their ages is 38.The differences is 14

Answers

Answer:

Sonia is 26

Eddie is 12

Step-by-step explanation:

4.7 is what percent of 64?Round to the nearest hundredth​

Answers

Answer:3.008

Step-by-step explanation:

PLEASSSE get this this circle bs mad wack

Answers

Answer:

x = 6

Step-by-step explanation:

The inscribed angle is half the measure of its intercepted arc, that is

3x + 5 = 0.5 × 46 = 23 ( subtract 5 from both sides )

3x = 18 ( divide both sides by 3 )

x = 6

Answer:

x = 6

Step-by-step explanation:

The inscribed angle is half the measure of its intercepted arc, that is

3x + 5 = 0.5 × 46 = 23 ( subtract 5 from both sides )

3x = 18 ( divide both sides by 3 )

x = 6

Sally puts $2,500 in a bank account. She takes it out 10 years later and with interest, now has $4,100. What is the percent change?

Answers

Answer:

The percentage increase is 64%

Step-by-step explanation:

Answer:The percentage increase is 64%

Step-by-step explanation:

WILL MARK BRAINIEST IF RIGHT PLS ANSWER QUICK​

Answers

Answer:

the last one

Step-by-step explanation:

Answer:

A) It deals with synthetic or superficial genes and traits like color, markings, size, and speed.

What is
5
1
2
+
2
1
7
?

A.
7
2
9
B.
7
5
14
C.
7
3
7
D.
7
9
14

Answers

Answer:

A. 729

Step-by-step explanation:

Answer:

A: 729

Step-by-step explanation:

512+217= 729

Can someone please help! I need this quickly and I’m really struggling!

Answers

Answer:

x = 4

y = 3

Step-by-step explanation:

2x - 3(x - 1) = -1

2x - 3x + 3 = -1

-x + 3 = -1

   - 3     - 3

(-1) -x = -4 (-1)

x = 4

y = 4 - 1

y = 3

Answer:

x = 4, and y = 3

Step-by-step explanation:

I hope i helped you! :D

Noah is buying a pair of jeans and using a coupon for 10% off. The total price is $56.70, which includes $2.70 in sales tax. Noah's purchase can be modeled by the equation:
x - 0.1x + 2.70 = $56.70

Answers

$56.70 take away the tax first which brings you to $54 then 54x.10% is 5.40 so take 5.40 away from $54 you then have $48.60 then you can add the tax back in +2.70 = $51.30

can someone please help me on this

Answers

Answer:

15.7 inches

Step-by-step explanation:

A clock is a circle .  It tells us that the radius of the circle is 2.5 inches, and it is asking for the circumference.  Therefore, we can use the equations for a circle to solve for the circumference.

[tex]Circumference=2\pi r\\C = 2 \pi (2.5)\\C = 15.708[/tex]

Mrs. brown has 8 more boys than girls in her class and has a total of 26 students. Determine how many girls and boys are in the class.

May I please get some help ASAP?

Answers

Answer:

There are 9 girls in the class and 17 boys in the class

Step-by-step explanation:

Set up a system of equations where b is the number of boys and g is the number of girls

b + g = 26

b = g + 8

Solve by substitution by substituting g + 8 as b into the top equation

b + g = 26

(g + 8) + g = 26

2g + 8 = 26

2g = 18

g = 9

So, there are 9 girls in the class. There are 8 more boys than girls, so add 8 to this to find the number of boys:

9 + 8

= 17

So, there are 17 boys.

There are 9 girls in the class and 17 boys in the class.

Answer: 9 girls 17 boys
since he has 8 more boys than girls.
The amount of girls 9
More than 8 so
9+8=17
So 17 plus the 9 girls would be 26 students

1) A city has a population of 21,517 based on a census taken in 1998. If the
population is expected to grow by 11% annually, what will the population
be in the year 2030? *
A None of these
B 606,900
C 492,573
D 517

Answers

Answer:

B, 606,900

Step-by-step explanation:

First you'll need to calculate the percentage growth after 32(2030 - 1998) years. to do this you'll need to find 1.11^32 or 28.205, 1.11 being the percentage growth per year and 32 being the number of years passed. then 21,517*28.205 = 606,899.8 which can be rounded to 606,900.

A blueprint of a house has a scale of 1 in = 6 ft. the living room has dimensions (width x length) of 18 ft by 24 ft. What are the dimensions on the blueprint of the living room? (use 2 different proportions; one for width and one for length)



a
w = 108 in, l = 144 in
b
w = 3 in; l = 4 in
c
w = 3 in; l = 144 in
d
w = 3 in; l = 4 in

Answers

I would say the answer is w = 3 in; l = 4 in

please help me will give brainliest

Answers

Answer:

m = [tex]\frac{13}{3}[/tex]

Step-by-step explanation:

Given

[tex]\frac{1}{12}[/tex] = [tex]\frac{m-4}{4}[/tex] ( cross- multiply )

12(m - 4) = 4 ( divide both sides by 12 )

m - 4 = [tex]\frac{4}{12}[/tex] = [tex]\frac{1}{3}[/tex] ( add 4 to both sides )

m = 4 [tex]\frac{1}{3}[/tex] = [tex]\frac{13}{3}[/tex]

Will give 50 points and brainliest if answer this question, due in 20 minutes.

The cylinder shown here has a height of 7 centimeters and a radius of 4 centimeters.
Part A. What is the area of the base of the cylinder? Express your answer in terms of π. options are: 15 pi cm, 14 pi cm, 16 pi cm, 17 pi cm.

Part B: How many cubic centimeters of fluid can fill this cylinder? Express your answer in terms of π. options are: 112 pi cm, 110 pi cm, 113 pi cm, 107 pi cm.

Part C: Give a decimal approximation of your answer to the second question using 3.14 to approximate π. options are: 351.68 cm, 368.15 cm, 386.51 cm, 315.68 cm.

Answers

Answer:  A.) The area of the base is 16 pi cm²,

B.) The number of cubic centimeters is 112 pi cm³

C.)  The volume is  351.68 cm³

Step-by-step explanation:

Area is πr², 4 squared is 16.

V = bh

Multiply the area of the base by the height

16π × 7 = 112pi

A box has a length of 8 centimeters, a width of 7 centimeters, and a height of 5 centimeters. What is the total volume of the box?

A 616161 cubic centimeters

B 969696 cubic centimeters

C 250250250 cubic centimeters

D 280280280 cubic centimeters

Answers

The answer might be A or B I don’t know.

A Chrome book is on sale for 30 % off the original price plus
10% sales tax. If the Chrome book originally price is $360.
What is the final sale price that you will pay for the Chrome
book?

Answers

Answer:

288

Step-by-step explanation:

because 20 percent off is 252 and adding the sales tax which is 36 so you get 288

Solve 3x - 5 = 16
Write your solution starting with x= .

Answers

Answer:

x =7

Step-by-step explanation:

To solve this, you must get x by itself.

3x-5 = 16      1.  Add 5 on both sides

3x = 21         2. Divide by 3 on both sides

x = 7

An item has a listed price of $95. If the sales tax rate is 3% ,how much is the sales tax (in dollars )

Answers

Answer:

2.85

you multiply the price by the rate translated to a decimal

so

95*.03

=

2.85

I NEED HELP NOW!!!
Find the equation of the line.
Use exact numbers.

Answers

Answer:

y=-3x+7 i hope this helped

i need help on this i have an important test due rn ​

Answers

That is called supplementary angles, so they add up to 180 degrees
So it would be 57 + x + 23 = 180
Add 57 and 23, which is 80, subtract that from 180, and you would get
x = 100

Short Answer
1. What is the domain and range for the parent function of g(x) = x+1?

Answers

Answer:

Domain= {XER}   Range= {YER}

Step-by-step explanation:

This is a line equation. Lines continue infinitely in both the horizontal direction and vertical direction, so that means that the domain and range are both a set of all real numbers.

Whats 2-(-4) as an addition equation

Answers

Answer:

2+4

Two negatives cancel out for a positive. Think: subtraction is just finding the difference, the total difference between them would be the same as doing 2 + 4, or 6

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