I have tried this for almost 20 mins
, I might give up soon

I Have Tried This For Almost 20 Mins , I Might Give Up Soon

Answers

Answer 1

Answer:

x=1

y=3

z=-2

Step-by-step explanation:

Use substitution to solve two systems and then the third.


Related Questions

Solve the following equation by combining like terms:
x +x +2 +3x- 6 = 31

Answers

Answer:

x=7

Step-by-step explanation:

We want to get the variable "x" alone to get our answer. So.

1. combine like terms

x+x+2+3x-6=31

like terms in equation: (left side)

x, x, 3x= 5x       (equation: x+x+3x)

2, -6= -4             (equation: 2-6)

so, this is what the equation would look like with our new answers:

5x-4=31

2. add 4 to both sides

5x-4+4=31+4

(on left side of equation, the -4 and +4 cancel each other out, leaving the 5x alone)

5x=35

3. divide 5 from both sides, to get the "x" alone

5x/5=35/5

so, our answer would be:

x=7

I hope this was helpful :)

Does (1,7),(1,6),(1,5),(1,4),(1,3) represent a function?

Answers

Answer:

No

Step-by-step explanation:

If triangle STR ~ triangle PTQ, find QT

Answers

Answer:

QT = 45

Step-by-step explanation:

ST = 65

SP = 26

RQ = 30

QT = 4x - 3

Given that ∆STR is similar to ∆PTQ, therefore:

[tex] \frac{ST}{PT} = \frac{RT}{QT} [/tex]

Plug in the values

[tex] \frac{65}{65 - 26} = \frac{30 + (4x - 3)}{4x - 3} [/tex]

Solve for x

[tex] \frac{65}{39} = \frac{30 + 4x - 3)}{4x - 3} [/tex]

[tex] \frac{5}{3} = \frac{27 + 4x}{4x - 3} [/tex]

Cross multiply

[tex] 5(4x - 3) = 3(27 + 4x) [/tex]

[tex] 20x - 15 = 81 + 12x [/tex]

Collect like terms

[tex] 20x - 12x = 81 + 15 [/tex]

[tex] 8x = 96 [/tex]

Divide both sides by 8

[tex] x = \frac{96}{8} [/tex]

[tex] x = 12 [/tex]

✅QT = 4x - 3

Plug in the value of x

QT = 4(12) - 3 = 48 - 3

QT = 45

What is the length of BC?
A) 9 units
B) 11 units
C )15 units
D) 16 units

Answers

Answer: d

Step-by-step explanation:

Stay safe have a good day

Answer:

C. 15 units

Step-by-step explanation:

If this is a late answer, I'm very sorry. However I hope that others may find this helpful :)

If g + 11 = 16, then evaluate 5g + 12

Answers

Answer:

37

Step-by-step explanation:

use inverse operations to solve ,

16 - 11 = g

g = 5

if g = 5 then , 5 times 5 is 25 , add 12 to 25 and get 37

*please name brainliest if you can :)

The value of the expression 5g + 12 is 37, when g equals 5.

What is an equation?

An equation is written in the form of variables and constants separated by the operation of multiplication and division,

An equation states that terms in different forms on both sides of the equality sign are equal.

Multiplication and division do not separate the terms of an equation.

Substitution in mathematics is when we replace some specific numerical values to variables according to our wants or given in the problem.

Given A equation g + 11 = 16.

g = 16 - 11.

g = 5.

Now, 5g + 12

= 5×5 + 12.

= 25 + 12.

= 37.

learn more about equations here :

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The graph represents the speed at which Pete’s marble travels.
The speed of Stephano’s marble is represented by the equation f = 2.25s, where f is the distance in feet and s is the time in seconds.
Whose marble will reach the 6-foot mark sooner?

Answers

Answer:

B

Step-by-step explanation:

Here, we simply want to know who will reach the 6-foot mark sooner

Mathematically, we need to get the slope from the graph

Looking at the graph, we can see that the 3 ft mark was reached at exactly 2 seconds

So what this mean is that, in 4 seconds, the 6 ft mark will be reached

This makes up the fact that the speed for Pete’s travel is 1.5 ft/ secs

Now compare this with what Stephano has, which is 2.25 ft/ s

we can see that stephano is traveling at a better speed and will reach the 6 ft mark first

So the correct option is B

Let z = 5 – 9i and w = 6 + i.



Which expression shows the first step in finding the quotient of StartFraction z Over w EndFraction ?

StartFraction 5 minus 9 I Over 6 + I EndFraction times StartFraction 6 minus I Over 6 minus I EndFraction
StartFraction 5 minus 9 I Over 6 + I EndFraction times StartFraction 6 + I Over 6 + I EndFraction
StartFraction 5 minus 9 I Over 6 + I EndFraction times StartFraction 5 minus I Over 5 minus I EndFraction
StartFraction 5 minus 9 I Over 6 + I EndFraction times StartFraction 5 + I Over 5 + I EndFraction

Answers

Given:

[tex]z=5-9i[/tex]

[tex]w=6+i[/tex]

To find:

The expression that shows the first step in finding the quotient of [tex]\dfrac{z}{w}[/tex].

Solution:

According to the question,

[tex]\dfrac{z}{w}=\dfrac{5-9i}{6+i}[/tex]

First, we need to multiply and divide the conjugate of denominator, i.e., 6-i, to find the quotient.

[tex]\dfrac{z}{w}=\dfrac{5-9i}{6+i}\times \dfrac{6-i}{6-i}[/tex]

Therefore, the correct option is A.

Answer:

the answer is a

Step-by-step explanation:

edge 2020

A local deli sells 4-inch sub sandwiches for $2.95. It has decided to sell a "family sub" that is 50
inches long. How much should it charge?
The deli should charge $ ?

Answers

Answer:

36.875

Step-by-step explanation:

What is a simple way to tell that −2 1/5 is not the slope of this graph?

Answers

Answer:

The last one is an easy way to tell that the slope is not -2 1/5 because it is positive

Step-by-step explanation:

When a line goes up from left to right, it's positive. If it goes down from left to right, it's negative.

The sides of a right triangle are (x-5) (x+2) (x+3). solve for x.

Can someone pls help me on this problem

Answers

Answer:

x = 10.

Step-by-step explanation:

The longest side , the hypotenuse = x + 3 because the lengths of the sides  are positive.

So, by Pythagoras:

(x + 3)^2 = (x - 5)^2 + (x + 2)^2

x^2 + 6x + 9 = x^2 - 10x + 25 + x^2 + 4x + 4

0 = 2x^2 - x^2 - 10x + 4x - 6x + 29 - 9

x^2 - 12x + 20 = 0

(x - 10)(x - 2) = 0

x = 2, 10.

x cannot be 2 because that would make one side =  2- 5 = -3 so the answer is x = 10.

Elizabeth uses 234 cups of flower in waffle batter. If she wants to triple the recipe, how many cups of flower will she need?

Answers

Answer: 702

Step-by-step explanation:

234 • 3 = 702

702

Step-by-step explanation:

If you triple 234, you get 702. In other words you do 234x3.

The expression on the left side of an equation is shown below.
3x+9=0
If the equation has no solution, which expression can be written in the box on the other side of the ec
-9
-3
ООО
3x
O 3x+ 9
Nun

Answers

To have no solution it’ll be 3x+9 because

3x+9=3x+9
-3x -3x
9=9
Which would result in no solution, you should also just use 3x too :) both works

Graph the following inequality:

Answers

Answer: the intercept is love , the slope is you , dotted or solid is <3

Step-by-step explanation:

PLEASEEEEEEE HELPPPPPP ASAPPPP

Answers

Answer:

C

Step-by-step explanation:

Alina spent no more than $45 on gas for a road trip. The first gas station she used charged $3.50 per gallon and the second gas station charged $4.00 per gallon. Which inequality relates the number of gallons of gas she bought at the first station, x, the number of gallons of gas she bought at the second station, y, and the total amount she paid? What are the possible values of y? 3.5x + 4y ≥ 45, y ≥ 11.25 3.5x + 4y ≥ 45, 0 ≤ y ≤ 10.375 3.5x + 4y ≤ 45, 0 ≤ y ≤ 11.25 3.5x + 4y ≤ 45, y ≥ 10.375

Answers

Answer:

your answer is going to be :

Step-by-step explanation:

C. 3.5x + 4y ≤ 45, 0 ≤ y ≤ 11.25

Answer:

c

Step-by-step explanation:

If sale tax is 9% and you want to buy three t-shirts that cost $17.00 each, how much tax will you pay?

Answers

Answer:

$1.53

Step-by-step explanation:

Answer:

$55.59 TOTAL.     So you pay $4.59 Tax

Step-by-step explanation:

The T-shirts price before any tax is $51 Then you add the 9% tax rate and get $55.59.

To get the BEFORE tax price I did 17*3 because the T-shirts are $17 and he wants 3 of them.

PLEASE MARK BRAINLIEST

The Scott family is trying to save as much money as possible. One way to cut back on the money they spend is by finding deals while grocery shopping; however, the Scott family needs help determining which stores have the better deals.



At Grocery Mart, strawberries cost $2.99 for 2 lb., and at Baldwin Hills Market strawberries are $3.99 for 3 lb.



What is the unit price of strawberries at each grocery store? If necessary, round to the nearest penny.

Grocery Mart:

$_________

Answers

Answer:

Unit Price at Grocery Mart = $1.50

Unit Price at Baldwin Hills = $1.33

Step-by-step explanation:

Unit price in this case will be the price divided by number of pounds

Let u1 be the unit price of Grocery Mart and u2 be the unit price at Baldwin Hills

Given

[tex]s_1 = 2.99\\w_1 = 2\\s_2 = 3.99\\w_2 = 3[/tex]

The unit price for Grocery Mart is:

[tex]u_1 = \frac{s_1}{w_1}\\= \frac{2.99}{2}\\= 1.495[/tex]

Rounding off to nearest penny

u1 = $1.50 per lbs

Unit price for Baldwin Hills is:

[tex]u_2 = \frac{s_2}{w_2}\\=\frac{3.99}{3}\\=1.33[/tex]

u2  = $1.33 per lbs

Hence,

Unit Price at Grocery Mart = $1.50

Unit Price at Baldwin Hills = $1.33

a package of 36 photos costs $18. how many does it cost per photogragh ​

Answers

Answer:

$0.50

Step-by-step explanation:

This is a simple equation. All you need to do is divide 18 by 36.

18/36 = 0.5

Answer:

$0.5

(50 cents)

Step-by-step explanation:

Just divide how much it costs (18) by the number of items bought (36) and you'll find how much it costs per-item.

$18 ÷ 36 = $0.5

So $0.5 (50 cents) is your answer.

Hope this helps and have a nice day!

Which equation is equal to y=x^2+24x-18

Answers

Answer:

(X+12)^2 -18-(24/2)^2

(X+12)^2 -18-144

(X+12)^2-162

Your answer is 1.

Step-by-step explanation:

Answer:um hold on

Step-by-step explanation:

What is math ?
Please answer in your own opinion I don’t care if it’s a dumb answer or a smart answer this is more of a survey type question it’s for an assignment

Answers

Answer:

math is basically how to understand  

Step-by-step explanation:

Answer:

Math is a way to view numbers in a more unique and special way. Many people might not like it because they consider it difficult.

Step-by-step explanation:

What is the decimal multiply to increase by 6.1%

Answers

Answer:

1.061

Step-by-step explanation:

not really sure if this is what you're looking for

The absolute value of opposite numbers is the same?

True or False?

Why or Why not

Answers

Answer:

false, it's the opposite so its doesn't have the same amount, negative or positive.

True.

The absolute value of opposite numbers is the same as the number because the absolute value is always positive.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Number = x

The opposite of x is -x.

Now,

The absolute value of -x.

= |-x|

= x

We are getting the number back.

Thus,

The absolute value of opposite numbers is the same as the number.

Learn more about expressions here:

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The thickness of a block is approximately 2 centimeters. How many blocks are in a stack that is 1,000 millimeters high? ( 1 cm = 10 mm ) Use proportions. Help please with explanation thank you!!

Answers

Answer:

50 blocks

Step-by-step explanation:

First of all, you need to label you're proportions, which can be mm/blocks.

Then, for 1 block, it is 20 mm because the block is 2 cm, which is equal to 20 mm. So for you're proportion, it is 20 mm/1 block.

Finally, you need to find the total amount of blocks that equals 1000 mm. So you can multiply the 20 mm by 50 to get the 1000 mm. What you do at the top, you do at the bottom, so you also have to do 1 block by 50 to get 50 blocks

So for you're final answer/proportion, it is mm/blocks = 20/1 = 1000/50 and you're final answer is 50 blocks

Hope this helps : )

Convert the following equation to slope intercept form
4x – 9y = 8

Answers

Answer:

the answer is 20

ILL MARK U BRAINLIEST!!

Answers

Answer:

1.)Sam Houston

2.)Mirabeau Lamar

3.)Sam Houston

4.)Mirabeau Lamar

Step-by-step explanation:

I just going by what makes since to me so yeah not 100% sure but I am sure

simplify
75 ÷ 15 × (-6+17-8) x4​

Answers

Answer:

60

Step-by-step explanation:

-6 + 17 - 8 = 3Plug 3 in: 75 ÷ 15 × (3) × 475 ÷ 15 = 5Plug 5 in: 5 × 3 × 45 × 3 × 4 = 60

I hope this helps!

Pls help I need a good grade I will brainlest

Answers

The correct answer is 4/3

Answer:

1 1/3

Step-by-step explanation:

We simplify it into 3 1/6 - 1 5/6.

Since 5 cannot subtract from 1, we convert 3 1/6 into 2 7/6 because it is equivalent to 3 1/6, and subtract 1 5/6 from that fraction to get 1 1/3.

The school nurse told Sarah she was 1.4 meters tall. When she got home, Sara measured her height herself. Her measurement included a digit in the hundredths place. That digit had a value that is the value of the digit in the tenths place. How tall did Sara measure herself to be?

Answers

Answer:

1.44 meters

Step-by-step explanation:

Given that:

As per the nurse, height of Sarah = 1.4 meters

Let us have a look at the number and let us analyze each digit.

Here is only one digit after the decimal place which is the tenths place.

It is given that Sarah measured the height herself.

And also added a digit at the Hundredth place i.e. a digit after 4 will be added.

1.4_  --- In place of _ , a digit will be added.

As per the question statement, Digit at the Hundredth place will be equal to  the digit at the Tenth's place.

Therefore, the height measured by Sarah herself will be equal to 1.44 meters.

Can someone graph this please

Answers

Answer:

Step-by-step explanation:

Answer:

You meant like this?

PLEASE HELP IV ASKED A MILLION TIMES!!!!! ASAP WITH BRAINLIEST!!!!!!!!!

Are the triangles APB and APR similar? Explain in terms of the following:

Corresponding angles and Parallel lines cut by a transversal

AA Criterion

Answers

Answer:

yes

Step-by-step explanation:

Please give me brainleist

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