Mathematics High School

PLS HELP ME I BEG I WILL MARK YOU BRAINLIEST​

PLS HELP ME I BEG I WILL MARK YOU BRAINLIEST

Answers

Answer 1

Answer:

Step-by-step explanation:

Scale factor  = 1 : 7

a)Let the length of the house in the scale drawing = x

1:7 :: x : 21

Product of means = Product of extremes

 7*x = 1* 21

     x = [tex]\frac{1*21}{7}[/tex]

     x = 3

Length of the house in the scale drawing = 3 in

b) Height of the real house =y

1 : 7 :: 4 : y

Product of extremes = product of means

1 * y = 7*4

   y = 7*4

   y = 28

Height of real house = 28 feet

Related Questions

On Tuesday, Marissa was $45 short of her fundraising goal. The next day, she was $5 over her goal write an equation to show how much she raised in one day.

Answers

Answer: Hello daema, let's let x be the goal and c be the collection per day.

x - 45 + c = x + 5 is the answer so now let's talk about how we did that.

So she wants to get to x which is the goal. But right now she has 45 less than what her goal is. So that would look like this x - 45 now she has to get c or the collection per day to get to her goal. So now it looks like this x - 45 + c. Now that c has to be at least x which is her goal, it now will look like this x - 45 + c = x. But we're not done, the question said that now she 5$ over her goal, or x. So we have to add the + 5 onto the end so now it looks like this x - 45 + c = x + 5. To solve the equation "if you have to" it would be x = 50$ per day.

Help again please. Its still late.

Answers

Answer:

The answer is c.

Step-by-step explanation:

Which expression is equivalent to 6(5m-7)

a 11m-13
b 11m-42
c 30m-13
d 30m-42

Answers

Answer:

30m-42 (D)

Step-by-step explanation:

Let's evaluate the expression,

6(5m-7)

30m-42

If you have any questions, let me know!

Mrs. Carter baked 100 muffins for a bake sale. The muffins were sold in packages of 2. There were 12 muffins left. Write an equation to find how
many customers bought muffins at the bake sale. Model the equation using a flowchart

Answers

Answer:

2n + 12 = 100 (Equation)2n = 88 (Solving)n = 44 people bought muffins at the bake sale. (Solving)

Step-by-step explanation:

100 muffins, and 2 in each package. Therefore, there are 50 packages. However, in the end, there are 12 left, so there must have been 6 packages left.

Answer:

2n+12=100 ...........

Please help

What is the unknown value for u:3 = 2:6

Answers

Answer: i think it should be 1:3=2:6

Step-by-step explanation:

Answer:

U=1

Step-by-step explanation:

✨✨Answer number 7please ✨✨

Answers

Answer: A

Step-by-step explanation: This is a rotation. An easy way to tell the difference between a rotation and a reflection is that the order of the points will not change in a rotation. For this problem, pre-image ABCD is still in the order of ABCD when mapped to the image. (You can still follow along the points in that order). When something is reflected, the points swap orders and you would not be able to follow the points in order.

Now that we know this is a rotation, Notice A’ B’ C’ and D’ are all left of the pre-image. This means the mapped image moves counter clockwise.

paz and her scout troop makes 325 granola bars for a fundraiser. four granola bars are put in each bag. paz says that there will not be any left over. find and correct her mistake.

Answers

There will be more left over. 325/4= 81.25

Answer:

Her mistake was in how many bags would be able to equally hold 4 bars.

325/4 is 81.25, which would mean there needs to be 82 bags, in which you wouldnt be able to hold 4 each equally.

A better option for Paz is to put 5 bars in each bag as 325 is an even multiple of 5. As such would result in the bag count being brought down to 65 bags to evenly hold all of the bars.

Hope this helped!

The width if a rectangle is 4ft and the length is unkown. If the area is the expression 12x + 24 what is the unkown length?

Answers

Answer:

Length=6 ft

Step-by-step explanation:

-3x - 5 = 16

x=???

[need to right more because my question is too short stuff in brackets is irrelevant]

Answers

Add five to both sides
-3x = 21
Divide by -3 on both sides
x = -7

Prove cosxtanx = sinx

Answers

cos(x)tan(x)

Transform the expression by using the formula for tan theta:
tan(t)= sin(t)/cos(t)

cos(x)= sin(x)/cos(x)

Cancel out the cos(x) since it’s on both sides

Final answer : sin(x)

cos(x)tan(x) is equal to sin(x)

Which of the following is the solution to the system of equations shown below?
x + 5y = -3
3x – 2y = 8

Answers

Answer:

x = -2, x = 1

Step-by-step explanation:

mark as brainliest it is right

At a school, 40% of the sixth-grade students said that hip-hop is their favorite kind of music. Only 5% liked Baby Shark the best. 100 sixth-grade students prefer hip hop music. How many 6th grade students are there at the school?

Answers

250 students
Explanation:
100/.4 = 250

What's the answer to 1.6(2.5-10)+8.2=???

Answers

Answer:

-3.8

Step-by-step explanation:

1.6(2.5-10) + 8.2

1.6(-7.5) + 8.2

-12 + 8.2

-3.8

Answer:

-3.8

Step-by-step explanation:

1.6 * 2.5 = 4

1.6*-10 = -16

4-16+8.2

4-16 = -12

-12+8.2 = -3.8

when mark was 2 years old his parents invested 2,000 in a money market account with annual average interest rate of 8% after 15 years how much money will he have in the account

Answers

Answer:

$4400

Step-by-step explanation:

I=PRT

I=(2000)(8%)(15)

I=4400

Help please I dunno what to do

Answers

Answer:

(2y+14.6m+3.8)-(34.8m+15.6+2y)

-20.2m-11.8

Using the number 2,405,008.097 what is the place value of all numbers 15 POINTS

Answers

Answer:

Step-by-step explanation:

2, 405,008 .097

2 * 1,000,000  ---> 2 Million

4 * 100,000    ----> 4 hundred thousand

0                   -------> ten thousand

5  * 1,000      ----------> 5 thousand

8*1             ------------> eight

0              --------------> tenth

9 * (1/100) -------------> nine hundredth

7 * (1/1000) ----------> seven thousandth

I will mark brainliest

Answers

Answer:

I think It would be A but I'm not exactly sure

Answer:

It's d no. 5/ x - 2 is the answer of your question

A square has an area of 36 m2. The square is scaled in such a way that its area is increased by 28 m2. What is the approximate factor by which the length of the side of the square is increased?

Answers

Answer:

28/36 shd give u the answer

answer in 1:ur answer

. 5, 10, 20, 40.....​

Answers

Answer:

80, 160, 320, 640....

Step-by-step explanation:

multiply each number by 2

80 160 and so forth, you have to continue to multiply by 2

HELP!!!PLEASE!!!RIGHT AWAY!!!ASAP!!!!

Answers

20 units of fluid.

5*8=40 divided by 2 = 20

Someone help and plz make sure it’s right

Answers

Answer:

50

Step-by-step explanation:

all angles must equal to 180

A rectangle has an area of 2x2 - 19x +45 ft? What are the dimensions of the rectangle? (hint: factor)​

Answers

I think the answer is (2x - 9)(x - 5)

The dimensions of the rectangle will be (2x - 9)(x - 5).

What is a quadratic equation?

A quadratic equation is a polynomial with a degree of 2 or the maximum power of the variable is 2 in quadratic equations. It has two solutions as its maximum power is 2.

Given that the area of the rectangle is represented by a quadratic equation 2x² - 19x +45.

The dimensions of the rectangle will be the factors of the quadratic equation.

2x² - 19x + 45

2x² - 10x -9x + 45= 0

2x( x - 5 )-9(x - 5)= 0

( 2x - 9 ) ( x - 5 ) = 0

Therefore, the dimensions of the rectangle will be (2x - 9)(x - 5).

To know more about quadratic equations follow

https://brainly.com/question/1214333

#SPJ2

HELP PLS Last year 15 students earned an A in math class. If I had 128 students, what percent of students did NOT earn an A?

Answers

Answer:

88%

Step-by-step explanation:

128-15=113

113/128=.882

88%

how much feet is in a mile

Answers

Answer:

5280

Step-by-step explanation:

Answer:

There are 5,280 feet in a mile.

Which is the most descriptive name for the shape below?

shape
A. square
B. rectangle
C. rhombus
D. quadrilateral

Answers

B. Rectangleeeeeeeeeeeeeeeeeee

Answer:

It's either B or D

Step-by-step explanation:

Which do you think it is?

Hiiooo can someone please help me with this ❤️

Answers

Answer:

3.2

Step-by-step explanation:

ABCD and JKLM are similar. To find the x, first find the ratio for all of the sides.

AD and JM are similar --> 2.4 / 3 = 0.8

BC and KL are similar --> 4 / 5 = 0.8

DC and ML are similar --> 2.4 / 3 = 0.8

AB and JK are similar --> 4 × 0.8 = 3.2

Hope this helps, thank you :) !!

A motorcycle drives 130 miles in 2 hours 36 minutes. Calculate the average speed.

Answers

Answer:

Average speed is like .83miles per minute and roughly 50 per hour

Step-by-step explanation:

28 vehicles per minute. How many vehicles can be accommodated in an hour?

Answers

Answer:

1680 vehicles

Step-by-step explanation:

28 per minute

60 minutes in an hour

28 * 60 = 1680

Answer:

1,680

Step-by-step explanation: 28x60=1,680

A certain pizza box holds a 14-inch diameter pizza. If the box is 2 inches high, what is its surface area?

Answers

Answer:

36

Step-by-step explanation:

Which rule describes why these triangles are congruent?

Answers

Answer:

Angle-Side-Angle Postulate

Step-by-step explanation:

The Angle-Side-Angle Postulate (ASA) states that if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the two triangles are congruent

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