The correct **option **is **(B)**. [tex]3x+5y=29[/tex] And [tex]-3x-12y=-48[/tex].

Given **Equations**,

[tex]3x + 5y = 29......(1)[/tex]

[tex]x + 4y = 16.......(2)[/tex]

We have to find out Which **system **of **equations **is equivalent to the **Given system **of **Equations**.

1). **System **of **equation **are,

[tex]3x+5y=29\\-x-4y=16[/tex]

taking **- common **and transposing to R**.H**.**S **we get,

[tex]x+4y=-16[/tex]

This equation is not **equal **to **equal **(**2**), so the **option **(**1**) is not the system of equation **equivalent **to given **Equations**.

Similarly, on **checking **other **options**,

2. system of equation,

[tex]3x+5y=29\\-3x-12y=-48[/tex]

Taking **-3 common **from** L.H.S**. we get,

[tex]-3(x+4y)=-48\\\\x+4y=\dfrac{-48}{-3}[/tex]

[tex]x+4y=16[/tex].

Hence the Above **system **of **equation **is **equivalent **to the **given system **of **equation**.

So, there is no need to check **option **(**3**) and **option **(**4**).

Hence the correct **option **is **(B)**.

For more details on **Equations **follow the link:

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Given Polynomial:

5x-4x^2+3

Solve for x=0

[tex]\huge \rm༆ Answer ༄[/tex]

Plug the value of x as 0 in the given Polynomial ~

[tex] \sf5x - 4 {x}^{2} + 3[/tex][tex] \sf(5 \times 0) - (4 \times 0 {}^{2} ) + 3[/tex][tex] \sf0 - 0 + 3[/tex][tex] \sf3[/tex]Therefore , the equivalent value is **3**** **

how do you subtract -5000 from 263

**Answer:**

263-5000=4737

**Step-by-step explanation:**

**IF**** ****ITS**** ****-5000-263**

if you subtract a negative to a negative it makes the negative increase. -5000-263 would end up being technically -5000+(-263). A number line would help you, because on a number line, when subtracting, you go to the left.

*[-5000+(-263)=-5263]*

**IF**** ****ITS**** ****2****6****3****-****(****-****5****0****0****0****)**

do you see those two - signs? Those cross eachother out, turning it into a +, also making the -5000 not negative anymore. Making 263-(-5000) = 263+5000.

*[263+5000=5263]** *

please help 50 pts and brainliest if correct

**Answer:**

C

**Step-by-step explanation:**

it makes sense yah?

**Answer:**

C) Three fourths of the fish he caught were less than 50.5 pounds

A study of the annual population of the red - winged blackbird in FT. Mill, South Carolina, shows the population incresing at a rate of 16%. If

the population starts at 150 blackbirds, then which of the following functions properly models the population B(t) as a function of time.

O a B(t) = 150(1.6)

Ob B(t) = 150(16)

Oc B(t) = 150(1.16)

Od B(t) = 150(.84)

The **functions** that properly **model** the population B(t) as a function of time is** B(t) = 150 (1.16)**

**Given **the following

If there is a** 16% increase,** the increment will be 0.16(150)

The** population B(t) **as a function of time will be expreessed as:

B(t) = 150(1+0.16)

B(t) = 150 (1.16)

Hence the **functions** that properly **model** the population B(t) as a function of time is** B(t) = 150 (1.16)**

Learn more on **function** here: https://brainly.com/question/10439235

The ratio of United States gold medals to Russia gold medals was about to 1. If the US has 46 and Russia has 24, then what is the ratio

Answer;

23:12

**Step-by-step explanation:**

The **ratio **between the US and Russia is 23:12

The **quantitative **relation between two amounts shows the number of times one **value **contains or is contained within the other. for example-"the **ratio **of computers to students is now 2 to 1"

Given here US has 46 and **Russia **has 24 and thus the ratio is

46:24=23:12

Hence, the required **ratio **is 23:12

Learn more about **ratios **here:

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What is the selling price of an item if the original cost is $784.50 and the markup on the item is 6.5 percent?

selling price = original cost + markup value

A.

$509.95

B.

$831.57

C.

$835.49

The **selling price **of the item is $835.49

The given parameters are:

Original cost = $784.50

Markup = 6.5%

The **selling price **is calculated as

Selling price = Original cost * (1 + Markup)

So, we have:

Selling price =$784.50 * (1 + 6.5%)

Evaluate the expression

Selling price =$835.49

Hence, the **selling price **of the item is $835.49

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4b) Work out the mean and standard deviation of the following: picture included

Note: I ended up with the simultaneous equations, which are correct according to the markscheme BUT the answers I got upon solving them were incorrect.

μ = 170 + 1.6449σ

μ = 180 - 0.8416σ

What I got after solving these were:

μ = 169.5306859

σ = 12.44864932

But according to the markscheme, I should have gotten:

μ = 176.615...

σ = 4.021...

Can someone explain to me where I've gone wrong?

**Answer:**

Yes, your simultaneous equations are correct;

Solve them like so:

170 + 1.6449σ = 180 - 0.8416

2.4865σ = 10

σ = 4.0217...

μ = 170 + 1.6449(4.0217...)

μ = 176.615...

MS is correct, you must've made an error in solving or rearranging

Complete the table using the equation y = 5x + 3.

x -1 0 1 2 3

y -? ? ? ? ?

**Answer:**

See below

**Step-by-step explanation:**

When x=-1, y=5(-1)+3=-5+3=-2

When x=0, y=5(0)+3=0+3=3

When x=1, y=5(1)+3=5+3=8

When x=2, y=5(2)+3=10+3=13

When x=3, y=5(3)+3=13+3=16

Therefore, this is the correct table:

x -1 0 1 2 3

y -2 3 8 3 16

A?

B?

C?

D?

If your right I’ll mark brainlest !<3

3y^5 - 10y^5

= -7y^5

So it’s A

Hope this helps!

= -7y^5

So it’s A

Hope this helps!

Is Helena correct? If so, explain how she can tell that the diagram represents if she is not correct,

explain why not

**Answer:**

yes it she is

**Step-by-step explanation:**

PLEASE HELP ITS 10TH GRADE GEOMETRY

Given, Q is on line segment PR. QR = 2x + 4PQ = xPR = 4x - 10PQ + QR = PRor, x + (2x + 4) = 4x - 10or, 3x + 4 = 4x - 10or, 4 + 10 = 4x - 3xor, x = 14Therefore, PR = 4x - 10 = 4(14) - 10 = 56 - 10 = 46

Hope you could get an idea from here.

Doubt clarification - use comment section.

Solve. 8 3/5=3/4x−5 1/2 Enter your answer as a mixed number in simplest form in the box.

The **value** of x in the **expression** is 18(24/30).

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,

8(3/5) = (3/4)x - 5(1/2)

43/5 = 3x/4 - 11/2

43/5 + 11/2 = 3x/4

(86 + 55)/10 = 3x/4

141/10 = 3x/4

3x = 141 x 4 / 10

x = 564/30

x = 18(24/30)

Thus,

The **value** of x is 18(24/30).

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please help me guys .if 5+5=10an 10+10=20 whats does 20+20 equal

**Answer:**

20 + 20 = 40

(w-10x) (w+10x) Use the Identities to solve this question

We are provided that –

(w-10x) (w+10x)Applying identity –

a² - b² = (a + b)(a - b)[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf(w-10x) (w+10x)[/tex]

[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf w^2 - (10x)^2[/tex]

[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf w^2 -100 x^2[/tex]

you and your friend are both saving your allowance for summer vacation. You start with $50.50 in the bank, and your allowance is $8.50 per week. Your friend starts with $8.00 in the bank, and they get twice as much for allowance. After how many weeks do you have the same amount of money

**Answer:**

5

**Step-by-step explanation:**

17+8+17+17+17+17=93

8.50+50.50+8.50+8.50+8.50+8.50=93

Help please I don’t understand

**Answer:**

4

**Step-by-step explanation:**

**Answer:**

-1/3

**Step-by-step explanation:**

4²-4¹ 2-0. -2/6= -1/3

x²-x¹ = 4-2 =

A scatterplot is used to display data for a runner where x is the number of miles run, and y is the time, in minutes, that it takes to run that distance. Which interpretation describes a line of best fit of y = 9. 5x for the data in the scatterplot? For each 1 minute, the runner ran 9. 5 miles. For each 9. 5 minutes, the runner ran 1 mile. The minimum distance with a recorded time is 9. 5 miles. The maximum distance with a recorded time is 9. 5 miles.

The **interpretation **that describes a **line of best fit **of y = 9.5x for the **data **in the **scatterplot **is (a) For each **1 minute**, the runner **ran 9.5 miles **

The **equation **of the **line of best fit **is given as:

[tex]y = 9.5x[/tex]

The **line of best fit **is represented as:

[tex]y = mx + b[/tex]

Where m represents the **rate or slope**.

So, by comparison:

[tex]m = 9.5[/tex]

This means that, the number of **miles travelled **every **minute **is 9.5

Hence, the true statement is (a)

Read more about **regression equations** at:

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What is the relationship between 0.04 and 0.004?

**Answer: **0.04 is exactly 10 times as much as 0.004. If we multiply 0.004 by 10, we will get 0.04 as an answer. In other words, we can say that 0.004 is exactly 1/10th of 0.04. It means that if we divide 0.04 by 10, we will get 0.004 as an answer.

**Answer:**

Look below

**Step-by-step explanation:**

**0.04 means 4 hundredths since if you divide 4 by 100 you get 0.04. You can try it yourself on a calculator. 0.004 is 4 thousandths. Same thing with 0.04, if you divide 4 by 1000 you will get 0.004. Hope this helps! If you want me to explain a bit more I can try**

please help thx

calculate the value of x

calculate the value of y

calculate the value of z

X = twenty five because 2x+18 = 3x-7

can anyone find the area to this?

**Answer:36**

**Step-by-step explanation: 3X4 or 3 rectangles plus tow rectanges that = 12**

Find a solution to the inequality x > 4.

A. 8

B. 3

C. 4

D. 0

**Answer:**

8

**Step-by-step explanation:**

Isn't it simple because all other numbers are less than 4?

a

Fitness Club A has a membership fee of $35 plus $3 each time you swim. Fitness Club B has a membership fee of

$27.50 plus $4.50 each time you swim. After how many swims will the cost be the same?

A

4

B) 7

6

D

8

E 5

Write an equation for each one set the equal to each other and solve.

A: 35 + 3x

B: 27.50 + 4.50x

35 + 3x = 27.50 + 4.50x

Subtract 27.50 from both sides:

7.50 + 3x = 4.50x

Subtract 3x from both sides

7.50 = 1.50x

Divide both sides by 1.50

X = 5

Answer: 5

Kaya rented a limousine for prom. There was a one-time charge of $100 plus an hourly rate of the total

cost for the night was $347.50. How many hours did Kaya rent the limo for?

**Answer:**

**3 hours **

**Step-by-step explanation:**

it is $100 for 1 hour right. Ok so forget about the hourly rates. Then you are left with $300. $300 total÷100 per hour = 3 hours.

**Answer:**

The total is 3 hours

Hope this help! good luck :)

Cellular phone service that charges per-minute will charge $15 for 70 minutes. How much would 1077 minutes cost?

**Answer:**

$5026

**Step-by-step explanation:**

if you divide 70 by 15 you get 4.66666667

then multiply 4.6666667 by 1077 and you get 5026

5 kilometers in 30 minutes how many kilometers can she run in 45 minutes

8 kilometers

1 kilometer every 6 minutes

5. Name the side included by

AB

AC

BC

none of these.

**Answer:**

AB

**Step-by-step explanation:**

Side AB is in between angle A and angle B. We can tell this because angle A is at one point, and angle B is at the other.

Have a nice day!

I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

which expression is equivalent to the expression (2x+4)(x-6) pls i need it

**Answer:**

[tex]B.~2x^2-8x-24[/tex]

**Step-by-step explanation:**

FOIL the terms and then add like terms.

[tex]2x\cdot x=2x^2\\2x\cdot -6=-12x\\4\cdot x=4x\\4\cdot -6=-24\\\\2x^2-12x+4x-24\\2x^2-8x-24[/tex]

What is the range of y=3sin(x)?

Answer:

The range is -3≤y≤3 - 3≤y≤3.

Step-by-step explanation:

I hope this helps! :)

Question 7 of 25

If f(x) = 3x2 - 2x + 4 and g(x) = 5x2 + 6x - 8, find (f+ g)(x).

A. (f+ g)(x) = -2x2 - 8x+ 12

B. (f+g)(x) = 8x2 + 8x + 12

O C. (f+g)(x) = 2x2 + 8x - 12

D. (f+g)(x) = 8x2 + 4x - 4

**Answer:**

D. (f+g)(x) = 8x^2 + 4x - 4

**Step-by-step explanation:**

The notation (f+g)(x) is shorthand for f(x) +g(x).

(f +g)(x) = f(x) +g(x) = (3x^2 -2x +4) +(5x^2 +6x -8)

= (3 +5)x^2 +(-2 +6)x +(4 -8)

** (f +g)(x) = 8x^2 +4x -4**

17. The sides of a rectangle are in the ratio of 5 : 4. If its perimeter is 144 cm,

then its length is

bi

a) 40 cm

b) 20 cm

c) 30 cm

d) 60 cm

What is the answer

**Answer:**

Option A

**Step-by-step explanation:**

Let,

Length = 5x

Breadth = 4x

Perimeter = 2(l + b)

=> 144 = 2(5x + 4x)

=> 144 = 2(9x)

=> 144 = 18x

=> 144/18 = x

=> 8 = x

Therefore,

Length = 5x = 5(8) = 40 cm

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