A city has 4 new houses for every 9 old houses. If there are 28 new houses in the city, how many old houses are there?
A. 61
B. 63
C. 67
D. 65

Answers

Answer 1
The answer is B because 4 X 7 is 28 so 9 times 7 is 63

Related Questions

Mira is applying for a mortgage, and the bank wants to know how much she makes per year. She's paid $25 an hour and
works 30 hours a week. She needs to calculate how much she makes per year.
Select the correct answer from the drop-down menu.
Mira's annual income, assuming 52 weeks per year, is $
A- 9,000
B-22,500
C-39,000

Answers

Answer:

39,000

Step-by-step explanation:

$25x30=$750

$750x52=$39000

describe to a friend how to graph a point at (2,5)

Answers

Answer:

So to start, the first number in the set is usually on the x axis. The x axis is the line going to the right. You go two ticks on there. Next is the second number, so what you do is just go up 5 ticks from there andd there ya go, you graphed it!

Um, I'm not very good at explaining but I hope that makes sense haha. I don't really understand the point of marking brainliest, but if you want you can mark mine it

Taking 1 cm = 1 unit we draw the x-axis and y-axis and plot (2,5) at a distance of 2 from x-axis and distance  of 5 from y-axis.

What are the co-ordinates of a point in a graph?

A point has two inputs namely the x-coordinate and y-coordinate. The  x-coordinate and y-coordinate is the perpendicular distance from y axis and x axis respectively.

Given point is (2,5)

Plot x=2 at a perpendicular distance from y axis measured along positive x axis

plot y=5 at a perpendicular distance from x axis measured along positive y axis

and we get the required point.

The point (2,5)  is plotted in the graph attached with the answer.

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Help please someone

Answers

Answer: 751 points

Step-by-step explanation:

454 + 297 = 751

Answer:

751

Step-by-step explanation:

-297 + 454 = 751

Easier way of doing this is rounding 297 to 300 and doing 454 + 300, and subtracting 3.

-5.8c + 4.2 - 3.1 + 1.40

Answers

The answer will be -3.3. Hope this helps!

Answer:

-3.3

Hope this helps!

If f(x) = 3x - 2 and g(x) = 2x + 1, find (f+ g(x).
O A. 5x-3
O B. x-1
O c. x-3
O D. 5x-1
SUBMIT
Plzzz helpp

Answers

Answer:

5x-1

Step-by-step explanation:

f(x) = 3x - 2

g(x) = 2x + 1

f(x) + g(x) = 3x-2 +2x+1

                Combine like terms

                = 5x-1

Answer:

(f+g)(x)=5x-1

Step-by-step explanation:

To find (f+g)(x), add f(x) and g(x)

f(x)+g(x)

We know that f(x) is equal to 3x-2 and g(x) equals 2x+1.

f(x)=3x-2

g(x)=2x+1

(3x-2)+ (2x+1)

Combine like terms. Add all the terms with a variable, then all the terms without a variable

(3x+2x)+(-2+1)

5x+(-2+1)

5x-1

(f+g)(x)=5x-1

What is the slope of the line? 2x+4y=6-y

Answers

Answer:

m= -2/5

Step-by-step explanation:

use the slope-intercept form y=mx+b to find the slope m.

Answer:

-2/5

Step-by-step explanation:

plz mark brainliest!

How many years will Matt need to invest $4200 to earn $200 interest, if the simple interest rate is 2.5% p.a.? Round the answer to the nearest year

Answers

Answer: 2 years

Step-by-step explanation:

SI = prt / 100

200 = ( 4200 x 2.5 x t) / 100

200 = 105 t

t = 200/105 = 1.9

If a=4, b=5 and c=7, calculate 2a + 3c

Answers

2x4=8
3x7=21
21+8=29
The answer should be 29

Answer:

2a + 3c = 29

Step-by-step explanation:

2a + 3c =

= 2×4 + 3×7

= 8 + 21

= 29

The two lines graphed below are parallel. How many solutions are there to the
system of equations?
A. TWO
B. Zero
C. Infinitely many
D. One

Answers

Answer:

Zero

Step-by-step explanation:

Option C is correct, there are Infinitely many solutions are there to the system of equations.

What is slope intercept form of line?

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The two lines are parallel, they have the same slope, which means that m is the same for both equations.

Therefore, the system of equations can be simplified to:

y = mx + b₁

y = mx + b₂

Subtracting the two equations, we get:

0 = b₁ - b₂

This means that the y-intercepts of the two lines are equal.

The two lines coincide with each other, and there are infinitely many solutions to the system of equations.

Hence, Option C is correct, there are Infinitely many solutions are there to the system of equations.

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Please Help!!!! Braniest will be given!!!!
Find the slope of the line through the given points.
(-3,6) and (1,2)

Answers

Answer:

m= -1

Step-by-step explanation:

hope this helps :)

Answer:

Step-by-step explanation:

[tex]slope=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{2-6}{1-[-3]}\\\\=\frac{-4}{1+3}\\\\=\frac{-4}{4}\\\\=-1[/tex]

Jamie spent
$196.76 on groceries this week. Of her total,
$16.15 was spent on taxes. What percentage of her total was spent on taxing?

Answers

That’s how you do it ☺︎︎

The value of 3⁵ ÷ 3-⁶

Answers

Answer: 33

Step-by-step explanation:

First we have to figure out what 3⁵ is. It basically means multiply 3 five times. So the equation would be 3 x 3 x 3 x 3 x 3. This equals to 243.

Next we have to figure out what  3⁶ is. It basically means multiply 3 six times. So the equation would be 3 x 3 x 3 x 3 x 3 x 3. This equals to 729.

Then we have to divide 243 by 729. The easiest way to do this is by putting it into a fraction. The fraction would be 243 over 729. When you simplify that fraction, it brings us to the answer, which is 33.

Hope this helped :)

The value of  [tex]3^{5}[/tex] ÷ [tex]3^{-6}[/tex]  is 177147.

We have -   [tex]3^{5}[/tex] ÷ [tex]3^{-6}[/tex]

We have to find its quotient.

Evaluate the following expression -  [tex]\frac{a^{n} }{a^{m} }[/tex].

You can simplify the expression as follows -

[tex]\frac{a^{n} }{a^{m} }= a^{n-m}[/tex]

According to the question, we have -

[tex]3^{5}[/tex] ÷ [tex]3^{-6}[/tex]  

Using the rule mentioned above, we can solve this as -

[tex]3^{5}[/tex] ÷ [tex]3^{-6}[/tex]  = [tex]\frac{3^{5} }{3^{-6} }[/tex] = [tex]3^{5-(-6)} = 3^{11}[/tex]

Expanding [tex]3^{11}[/tex] = 177147

Hence, the value of  [tex]3^{5}[/tex] ÷ [tex]3^{-6}[/tex]  is 177147.

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whats 1- 4/6 pls tell me the answer pls don't write weird thing just to get points

Answers

Answer:

1- 4/6 = 2/6 or 1/3.

Answer:

1/3

Step-by-step explanation:

1 - 4/6

Replace 1 with 6/6

6/6 - 4/6

2/6

Divide the top and bottom by 2

1/3

Please help me asap ty

Answers

Step-by-step explanation:

First, I would work out the missing angle:

25° + 90° (right-angle) = 115°

180° - 115° = 65°

The missing angle is 65°.

-I'm too dumb and don't remember how to work out the rest but I hope I helped a bit

Answer:

Side AB = 4.41

Does anyone know the answer?

Answers

[tex]value \: of \: x \: is \: 210 \\please \: see \: the \: attached \: picture \\ for \: full \: solution \\ hope \: it \: helps[/tex]

Answer:

[tex]210 \: \: \: degrees[/tex]

Step-by-step explanation:

Two equilateral triangles and a square are join together.

So, in a equilateral triangle all the angles are equal. which means an angle measures 60 degrees.

Also in a square all the angles are equal . it measures 90 degrees.

x = two triangle = 60 +60

square = 90

[tex]60 + 60 + 90 \\ = 210[/tex]

hope this helps you.

brainliest appreciated

good luck! have a nice day!

The temperature on Monday was - 23 F . The temperature on Tuesday was 18 degrees higher. What was the temperature on Tuesday?

Answers

Answer: the Temperature on Tuesday is 13 degrees Celsius

What is the ratio of quadrilaterals to shapes?Write the ratio as a fraction using the / symbol.

Answers

If the side on one shape is a and the side on the other shape is b, a common ratio between the two shapes r will exist so that a = b × r. Thus, to find a common ratio simply divide one corresponding side's length by the other: r = a ÷ b. It's as simple as that.

the student is asked to solve the equation below and to justify her his step what if anything is the first mistake the student made
15/17y=-3​

Answers

Answer:

the correct answer should be -2.65

Step-by-step explanation:

the mistake is dividing 17y by 15 instead of 17

Solve the inequality and enter your solution as an inequality comparing the
variable to a number.
x + 10 > 30
Answer here
SUBMIT

Answers

Answer: x > 20

Step-by-step explanation:

x + 10 > 30

    -10     -10

x > 20

Answer:

x-3

Step-by-step explanation:

x+7-7>10-7

subtract 7 from both sides

The box plots represent the ages of pennies in two 50-cent rolls. By looking at the plots, Beth says that the two means are about 5 years apart. Which is true about Beth’s statement?

Answers

Answer:

D)She may not be correct because means cannot be determined from Box plots.

Step-by-step explanation:

Box plot -Boxplot is a way to show the spread and centers of a data setboxplot and also called a box and whisker plot,

Box plot tells us about :

1) Mininmum value

2) 25th Percentile value

3)Median

4) 75th Percentile value

5)Maximum value

6) Interquartile Range

Now we are given that By looking at the plots, Beth says that the two means are about 5 years apart.

So,Option D is true

She may not be correct because means cannot be determined from Box plots.

Answer:

She may not be correct because means cannot be determined from the box plots

Step-by-step explanation:

What is the correlation coefficient for the data shown in the
table?
0
1
оооо
4
5

Answers

Answer:

1

Step-by-step explanation:

A small toy rocket is launched from a 20-foot pad. The height (h, in feet) of the rocket t seconds after
taking off is given by the formula h = – 2t^2– 6t + 20. How long will it take the rocket to hit the
ground?

Answers

Answer:

t = 2 sec

Step-by-step explanation:

h = – 2t²– 6t + 20

When the rocket hits the ground. h = 0 ft.

– 2t²– 6t + 20 = 0 /: (-2)

t² + 3t - 10 = 0

(t + 5)(t - 2)=0

t = - 5, t = 2

Time can be only positive.

ANSWERR ASAPP!!! I GIVE BRAINLIESTT!!​

Answers

So the first question that’s A is the blue team because they have 100 points , question B is both of the teams is at the same point together and question C , team blue because they scored 100 points , Hope this helps , brainliest will be appreciated:)

A digital scale measures weight to the nearest 0.2 pound. Which
measurement shows an appropriate level of precision for the scale?

A.130.4 pounds
B.124.75 pounds
C.125 pounds
D.120 pounds

Answers

Answer:

A

Step-by-step explanation:

This option contains a number that would appear on this scale.

Answer:130.4

Step-by-step explanation:

have good day

In 1986 and earthquake measuring 6.0 on the Richter scale hit the north east section of a state how many times as intense as a magnitude 3.0 earthquake was it?

Answers

Answer:

1000

Step-by-step explanation:

each number is 10 times more intense than the previous

Answer the question below

Answers

Answer:

a) The modal average is 3 bedrooms

b) The mean number of bedrooms is 2.825, or 3 rounded.

Step-by-step explanation:

If you lay out all the numbers from lowest to highest, and find the one in the middle, it is 3 bedrooms.

For the mean, if you add up all the number of bedrooms then divide by the total frequency, you get 2.825. This would be 113 ÷ 40.

Plzzz answer ASAP. Plzz answer ALL three a,b,c

Answers

Answer:

I hope it helps . For any clarification , Please notify me through the comment section .

Step-by-step explanation:

[tex]f(x) = 3x-5\\g(x) = 2(x-1)\\ \\g(-3) = 2(-3-1)\\g(-3) = 2(-4)\\g(-3) = -8\\\\f[g(x)] = f(2(x-1)\\f[g(x)] = 3[2(x-1)]-5\\f[g(x)] = 3[2x-2]-5\\f[g(x)] = 6x-6-5\\f[g(x)] = 6x-11\\\\g[f(x)] = g[3x-5]\\g[f(x)] = 2[3x-5-1]\\g[f(x)] = 6x -10-2\\g[f(x)] = 6x -12[/tex]

Graph the linear equation.

Answers

Answer:

Look at the image

Step-by-step explanation:

What is the surface area of the shaded front face of the composite solid?

A solid is comprised of 3 rectangular prisms. The first rectangular prism has a length of 2 centimeters, width of 4 centimeters, and height of 4 centimeters. The second has a length of 3 centimeters, width of 4 centimeters, and height of 2 centimeters. The third has a length of 3 centimeters, width of 4 centimeters, and height of 4 centimeters.
16 square centimeters
18 square centimeters
26 square centimeters
32 square centimeters

QUESTION 6

Answers

Answer:

26

Step-by-step explanation:

the first prism is 2 times 4 which is 8, the second is 3 times 2 which is 6, the third is 3 times 4 which is 12. 8 plus 6 plus 12 is 26.

By decomposing the figure into simpler shapes, we will see that the area is 26 square centimeters.

How to find the shaded area?

Remember that for a rectangle of length L and width W, the area is:

A = L*W

Now, let's look at the figure, we want to find the area of the front face. We can decompose the front face into simpler figures.

These are (reading from left to right).

Rectangle of 2cm by 4cmRectangle of 3cm by 2cmRectangle of 3cm by 4cm.

So the total area of the front face is equal to the sum of the areas of the 3 rectangles, then the total area is:

A = (2cm*4cm) + (3cm*2cm) + (3cm*4cm) = 26 cm²

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A figure in the first quadrant is rotated 180° counterclockwise about the origin. In which quadrant will the rotated figure appear?

Answers

Answer:

It will be in the 3rd quadrant.

Step-by-step explanation:

Hope that helps!

Answer:

The rotated figure appears in the 3rd quadrant

Step-by-step explanation:

To visualize a problem can sometimes be challenging.

It usually helps to make a sketch of the situation, to get a "feel" it of what is happening.

Supose a little cube is placed on the x axis, in quadrant 1, starting at ( 1. 0), and with size 1 unit.

Corner coordinates are therefore:

A =( 1, 0)

B =( 2, 0)

C =( 2, 1)

D =( 1, 1)

Rotate for 180 degrees about the origen (EXTRA: a ounterclockwise rotation over 180° is exactly the same as a clockwise rotation over 180°).

The new coordinates are:

A' =(-1, 0)

B' =(-2, 0)

C' =(-2 -1)

D' =(-1, -1)

These are all in third quadrant.

Therefore, the rotated figure appears in the 3rd quadrant

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