Find the length of BC.



Explain how you got it, please!
Thanks!

Answer:

19cm

Step-by-step explanation:

lets assume its a triangle

perimeter = 5cm + 6cm +8cm

Answer:

well jus subtract

Step-by-step explanation\

think about it

Answer:

The total amount of students in the primary school is 1,980.

Step-by-step explanation:

130, 210, 290, ......

210 - 130 = 80

The difference between each grade is 80 students.

(g = grade)

g1 = 130, g2 = 210, g3 = 290, g4 = 370, g5 = 450, g6 = 530

130+210+290+370+450+530 = 1980

y≥x-2

x+2y⊂4

hoping that your answer

Answer:

3+18=21

Step-by-step explanation:

first see the second number

let us assume as x & y

3+ (3×6)= 21

3+18=21Step-by-step explanation:

Answer:

3+18

Step-by-step explanation:

3x6 is 18, so 18 is 6 times the first number. If you add 3 and 18, its equal to 21.

Answer:

90 if I am wrong sorry I have a hard time with math

Combined surface area for the 8 prisms is: 3,040 square centimeters.

3,500 cm² > 3,040 cm², therefore, Sasha has enough cloth for the design.

Surface area = (b1 + b2)h + PH

Given the following dimensions:

Plug in the values into SA = (b1 + b2)h + PH:

Surface area = (5 + 15)7 + (40)(6)

Surface area = 380 sq. cm.

Combined surface area for the 8 prisms = 380 × 8 = 3,040 square centimeters.

3,500 cm² > 3,040 cm², therefore, Sasha has enough cloth.

Learn more about surface area of trapezoidal prism on:

https://brainly.com/question/16147227

Answer:

The combined surface area of the prisms is 3040 cm², therefore Sasha does have enough cloth for her current design.

Step-by-step explanation:

7 + 6 = 13                (Length + Height)

13 x 5 = 65              side a (h + l)

15 x 13 = 195           side b (h+l)

10 x 6 = 60             side c x length

10 x 6 = 60             side d x length

All of the above added together is 380, one trapezoidal prism.

380 x 8 = 3040

I also did the quiz.

The cell phone plan is an illustration of a linear inequality

Adrian gigabyte usage must be less than 2.1 to spend under $70.

The given parameters are:

Base cost = $59.50

Rate = $5 per gigabyte

Let the number of gigabyte be x.

So, the total amount is:

Total = 59.50 + 5x

Adrian wants to spend under $70.

So, we have:

59.50 + 5x < 70

Evaluate the like terms

5x < 10.5

Divide both sides by 5

x < 2.1

Hence, the number of gigabyte must be less than 2.1

Read more about linear inequalities at:

https://brainly.com/question/371134

Answer:

D

Step-by-step explanation:

Answer:

19.51% or 8/41

Step-by-step explanation:

for the percentage i did :

82 divided by 100, multiplied by 16.

For the fraction:

original number(16/82) divided by 2

Answer:

72.5 (Not rounded)

Hope this helps!

The expression for the total surface area of rectangle was used, with all values rightly plugged in, the total surface area is 306 in^2

Given Data

We know that the expression used in finding the surface area is given as

Surface area of rectangular prism =2(wl+hl+hw)

Substituting our given data into the formula we have

=2(6*4.5+12*4.5+12*6)

=2(27+54+72)

=2(153)

= 306 in^2

Learn more about area of shapes here:

https://brainly.com/question/2607596

Answer:

306

Step-by-step explanation:

I didn't know till I saw the other persons answer. Please give them branliest.

Step-by-step explanation:

for question one the answer is the intial area of fire

2. is the decay factor

3. 38400

4. the initial population

Answer:

Step-by-step explanation:

v = 1/3* L * w * h

1024 = 1/3 * 16 * 16 * height

1024 = 85.3333333 * height

divide both sides by 85.3 to isolate height = 12 cm

check your work

1024 = 1/3 * 16 * 16 * 12

1024 = 1024

yes they equal so its correct

The exponent expression ∛(56x⁷y⁵) is equivalent to the expression 2x²y∛(7xy²).

Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. X is the base and n is the power.

The expression will be given as

[tex]\sqrt[3]{56x^7y^5}[/tex]

The expression can be written as

[tex]\rightarrow \sqrt[3]{2*2*2*7 \ x^3 \ x^3 \ x \ y^3 \ y^2 }\\\\\rightarrow 2*x*x*y * \sqrt[3]{7xy^2} \\\\\rightarrow 2x^2 y \sqrt[3]{7xy^2 }[/tex]

More about the exponent link is given below.

https://brainly.com/question/5497425

The cost of a full-length mirror when the cpi is 211 is $187.68. Then the correct option is C.

A ratio is an ordered couple of numbers a and b, written as a/b where b can not equal 0. A proportion is an equation in which two ratios are set equal to each other.

A full-length mirror cost $144.99 when the cpi was 163.

The cost of a full-length mirror when the cpi is 211, to the nearest cent will be

[tex]\dfrac{x }{211} = \dfrac{144.99}{163}\\\\x \ \ \ = \$187.68[/tex]

More about the ratio and the proportion link is given below.

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Josef’s investment in dowc beverage co. has a greater percent yield when the bonds have a yield 1.35 percentage points higher than that of the stocks.

Market value is the current price of a product, company, or something consorting to the stock of the market.

The investment of Josef are,

The broker josef employed to purchase these stocks and bonds charges a commission of $72 for each ten shares of stock bought or sold and a commission of 4% of the market value of each bond bought or sold.

At the bond value 1.35 percentage higher than the stock gives will give him greater percent yield among all the options.

Thus, the Josef’s investment in dowc beverage co. has a greater percent yield when the bonds have a yield 1.35 percentage points higher than that of the stocks.

Learn more about the market value here;

https://brainly.com/question/8084221

Answer:

Bro you have got the answer as 17 I don't know how

Step-by-step explanation:

Please mark me as brainliest

Answer:

? = 4

Step-by-step explanation:

2/13 + ?/13 = 6/13        (Given)

-2/13               -2/13      (Isolate the unknown through subtraction)

?/13 = 6/13 - 2/13        

?/13 = 4/13                    (Combine like terms)

? = 4

Because the demoninators are the same, the unknown value can be found using isolation techniques. To find the unknown, subtract 2/13 from both sides. This eliminates the 2/13 from the right side while obeying the rule that states that what is done to one side must to done to the other. This leaves the ?/13 by itself on the right and 4/13 on the left. Again, because the demoninators are identical, the unknown value must be 4.

Answer:

x=-2

Step-by-step explanation:

Hey there!

In order to solve this equation, you need to combine like terms

The equation after combining the x terms and the contants will look like this

10x+3=12x+7

Now you have to take 10x away from both sides

3=2x+7

Now bring all the constants to the left side

3-7=2x

Simplify

-4=2x

divide 2 on both sides to get x by itself

x=-2

So, the answer is x=-2

Answer:

(-12, -2)

Step-by-step explanation:

Rearrange the equation --> x^2 + 14x + 24 = 0

Split 14x into 12x + 2x --> x^2 + 12x + 2x + 24 = 0

Group --> x(x + 12) + 2(x + 12) = 0, (x + 12)(x + 2) = 0

Find roots:

x + 12 = 0, x = -12

x + 2 = 0, x = -2

The solution of the given expression [tex]\rm x^{2} +14x = -24\\[/tex] by completing the square method is 12 and  -2.

The given expression is

[tex]\rm x^{2} +14x = -24\\[/tex]

In completing the square, we take half of the coefficient of the middle term and then square it. Then we add it to both sides of the equation

Here coefficient of middle term x is +14.

So, 14/2 = 7

square of 7 is 49

[tex]\rm x^{2} +14x +49= -24+49\\\rm (x+7) (x+7)=25\\\rm (x+7)^{2} =5^{2} \\\rm x+7 =5[/tex]

x+7 = 5 and x+7 = -5

Solve for x by subtracting 7 on both sides

x = -2  and x= -12

Solution set is {-12, -2}

Learn more about completing the square;

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The answer is 410

Hope this helps!!

Answer:

30% also means 30/100 in fraction form.

(Think of the root 'per' in percent to be per a 100.)

The keyword 'of' means multiplication.

'X' will be the unknown number aka the part that says ('-what number').

And 123 will represent the result.

Set up equation;

Then solve for x;

So your answer is 410.

Answer:

$ 2 per 100g,

Step-by-step explanation:

100g = 1/6 of 600g so:

Cost per 100g = 12 * 1/6

= $ 2.

Answer:

$2

Step-by-step explanation:

12 divided by 6

Answer:

B

Step-by-step explanation:

Add the value of the dots

0 + 3/8 + 3/8 + 4/8 + 5/8 + 7/8 =   22/8 = 2 6/8

Answer:

Or the rate of change. The percentage change.

Slope.

Answer:

25

Step-by-step explanation:

These angles are supplementary, or add up to = 180 degrees:

(2x + 10) + (4x + 20) = 180

6x + 30 = 180

6x = 150

x = 25

Let's check our work:

2(25) + 10 = 60

4(25) + 20 = 120

60 + 120 = 180 degrees :)

Good luck!

Answer:

x = 25

Step-by-step explanation:

[tex](2x+10)+(4x+20)=180^{o}[/tex]

[tex]6x+30=180[/tex]

[tex]6x=180-30[/tex]

[tex]6x=150[/tex]

[tex]x=150/6[/tex]

[tex]x=25[/tex]

Hope this helps

[tex]\bold{Heya!}[/tex]

Your answer to this is :

Because the other one is congruent together.

Hopefully This Helps ! ~

#LearnWithBrainly

[tex]\underline{Answer :}[/tex]

Jaceysan ~

Answer:

I believe your answer is C. Stretching.

Step-by-step explanation:

When you rotate an object your keeping its congruence the same or keeping the shape the same size, while rotating it around a point, same goes for Translating, with translating, your just moving an image from its starting point, also having it keep the same congruence, but with stretching, you are distorting the shape making it bigger/smaller than the original shape so it looses its congruence making it no longer congruent.

Answer:

I think it is 12 4/5

Step-by-step explanation:

hope this helps if not let me now

Loss amount:-

Hence

Selling price:-

Answer:

1276 rupees

Step-by-step explanation:

Given

Solving