Mathematics College

A family spends 20% of its income on mortgage repayments of RM 800 per month, Calculate the monthly income of the family.​

Answers

Answer 1

Answer:

monthly income of 4,000

Step-by-step explanation:

monthly income=m

.20m=800

m=4,000

Related Questions

Use differentials to estimate the amount of material in a closed cylindrical can that is 60 cm high and 24 cm in diameter if the metal in the top and bottom is 0.1 cm thick, and the metal in the sides is 0.05 cm thick. Note, you are approximating the volume of metal which makes up the can (i.e. melt the can into a blob and measure its volume), not the volume it encloses. The differential for the volume is

Answers

Answer:

dV ≈ 927.4 cm³

Step-by-step explanation:

Formula for volume of a cylinder is;

V = πr²h

Using differentials, we have;

dV = (dV/dr)dr + (dV/dh)dh

Now, dV/dr = 2πrh

dV/dh = πr²

Thus, at r = 24/2 = 12 cm

And at h = 60 cm, we have;

dV/dr = 2π(12 × 60)

dV/dr = 4523.89 cm²

Also;

dV/dh = π(12)²

dV/dh = 452.39 cm²

the metal in the top and bottom is 0.1 cm thick. Thus, dr = 2 × 0.1 = 0.2

the metal in the sides is 0.05 cm thick. Thus; dh = 0.05

Thus;

dV = (4523.89 × 0.2) + (452.39 × 0.05)

dV ≈ 927.4 cm³

what is 15% of 22 help​

Answers

15%= .15

.15*22= 3.3

Answer: 3.30

Help me out please!!!!!!!!

Answers

Answer:

its d

Step-by-step explanation:

it so easy it say it on the chart

Find the volume of the cylinder.
Either enter an exact answer in terms of or use 3.14 for pi

Answers

Answer:

Answer in explanation

Step-by-step explanation:

Volume of cylinder =

[tex]\pi {r}^{2} h \\ = (3.14)(4) {}^{2}(8) \\ = 401.92units {}^{3} \: or \: 128\pi \: units^{3} [/tex]

Answer:

Step-by-step explanation:

Radius r = 4

Height h = 8

Volume = πr²h = 128π units³

I NEED HELP QUICK!!!

Answers

Answer: 12cm

Step-by-step explanation:

The ———— is used to determine the left-hand and right-hand behavior of the graph of a polynomial function.

--Select-
Behavior Test
t Answ Polynomial Test
Odd Degree Test
Horizontal Line Test
Leading Coefficient Test
Dints] Distinct Zero Test
Even Degree Test
Vertical Line Test
AT10 3.2.001.

Answers

Answer:

I think it is the vertical line test. If you have any other questions let me know! :)

20 baseballs pitched he hit 17. What %did TJ hit

Answers

Percent part
100 Whole

x 17
100 20

(100*17)/20
1700/20
=85 percent

Combine the like terms to create an equivalent expression
−5j+(−2j)+3

Answers

Answer:  -7j+3

Step-by-step explanation:Simplify

Please help me ASAP
Please help

Answers

Answer:

5 X 4

Step-by-step explanation:

If you plot the dots, youll obviously see a rectangle. The height of the rect. is 4, while the length is 5, so the measurements would be 5 x 4.

Hope this helped!!

can someone help me please

Answers

Answer:

Step-by-step explanation:

Answer:

The correct answer is B. $6.50 per pound.

How many 6-digit numbers are there in our system of counting numbers?

Answers

there are 900,000 6 in all

brainliest or a thank you please <33 :)

14. circunferencia = 7.3 m (calcular
el radio ) *
​

Answers

Answer:

radius =1.1618m

Step-by-step explanation:

circumference of circle =7.3m

2πr=7.3

r=7.3/(2π)=1.1618m

Help me with this EdPuzzle pls.

Answers

Answer:

2 in^3

Step-by-step explanation:

First you find the volume of one cube by doing 1/2*1/2*1/2, after this you times this number by 16 to get the volume of the whole structure

Hi please help me with this asap.​

Answers

a. 15% of $20000 is 15/100x20000 = $3000. You therefore get $3000 off the $20000 asking price. $17000

b. VAT is 10%. 10/100x17000 = $1700
You therefore add $1700 to the discounted price of $17000. $18700

c. 15% off the discounted price. 15/100 x17000 = $2550. New discounted price is $17000-2550= $14450.

d. 10% VAT of $14450 is 10/100x$14450 = $1445. Total price after all discounts and VAT is now $14450+$1445 = $15895

simplify [tex]\sqrt{p^4q^6r^5. answer is D just took the test

Answers

The answer is A according to the answer and the sheet

The following is the estimation results for a multiple linear regression model:
Y = B. + ,X,+B,X, +E
SUMMARY OUTPUT
Regression Statistics
R-Square 0.558
Regression Standard Error (S) 863.100
Observations 35
Coeff StdError t-stat
Intercept 1283.000 352.000 3.65
X1 25.228 8.631
X2 0.861 0.372
Questions:
1. Write the fitted regression equation (30 points).
2. Write the estimated intercepts and slopes, associated with their corresponding standard errors (30 points).
3. Interpret each coefficient (40 points).

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

Given the summary output :

_______ Coeff___ StdError__ t-stat

Intercept 1283.000_ 352.000 _ 3.65

X1 _____ 25.228 ____8.631

X2 _____0.861 _____0.372

General form of a multiple regression model:

Y = B1X1+B2X2 +E

The fitted regression equation is :

y = 25.228X1 + 0.861X2 + 1283

Intercept and slope corresponding to the standard error :

Intercept = 352

Slope 1 = 8.61 ; slope 2 = 0.372

'B' coefficient represents the change in the mean response, Y, per unit increase in a version predictor variable when all the other predictors are held constant.

B1 represents the change in the mean response, U, per unit increase in x1 when x2, x3, ..., xk are held constant

B2 represents the change in the mean response, U, per unit increase in x2 when x1, x3, ..., xk are held constant

Draw the line of reflection that reflects ABC onto AA'B'C'.
y
7
Pro
6-
5-
Ted
4
B'3
B
2
N
+
-7 -6
-5 -4 -3 -2
2 3
5
6
7
СТ
-2
C
-3-
Do 4 problems OOOO

Answers

Answer:

Line of reflection → x = 1

Step-by-step explanation:

Coordinates of B → (3, 2)

Coordinates of B' → (-1, 2)

If point B is reflected across a vertical line x = a, both the points B and B' will be equidistant from the line of reflection.

Coordinates of the midpoint of the segment joining B and B'

= [tex](\frac{x_+x_2}{2},\frac{y_1+y_2}{2})[/tex]

= [tex](\frac{3-1}{2},\frac{2+2}{2})[/tex]

= (1, 2)

Line of reflection will pass through this midpoint (1, 2)

Therefore, equation of the line of reflection will be,

x = 1

HELP ASAP !!! giving out the brainliest answer !!! plsss help (has to be correct )

Answers

Answer:

sin D

Step-by-step explanation:

i think

or cos D

Answer:

24/25=sin F

Cos D = 24/25

Step-by-step explanation:

3. A pharmacist needs a blend of chemical containing 35% of manganese but she has one vial
at 40% and another at 25%. How many of each must be mixed to provide 100 pounds of
35% manganese?

Answers

Mi hermano me dice que no tengo nada que ver con el que no me deja

The perimeter of the shape below is 44 feet. What is the area in square feet?

Answers

Answer:

2(4x+2+6x)=44

10x+2=22

10x=20

x=2

area= 10*12=120sq feet

Step-by-step explanation:

What is the height of a rectangle with a perimeter of 152.8 mm and base
length of 72.2 mm?

Answers

Answer:
4.2

Step:
P=2( base+height)
152.8= 2*72.2 + 2(height)
152.8-144.4 = 2* h
h = 8.4/2= 4.2

Find the value of x

Answers

Answer:

x=13

Step-by-step explanation:

Since both angles are vertical angles and are therefore congruent, the expression is equal to 114.

7x+23=114

Subtract 23 from both sides.

7x=91

Divide both sides by 7.

x=13

What is the value of y?

Answers

Answer:

-1

Step-by-step explanation:

Describe the graph of y=-x and compare it with the graph of y = x

Answers

Y=-x is a negative slope starting from the left of the graph and going downwards by one. Y=x is a positive slope that goes up from left to right by one.

Lisa is saving money to buy a game. The game costs $36, and so far she has saved three-fourths of this cost. How much money has Lisa saved?

Answers

36 multiplied by (3/4) is 27 dollars
3/4 = 0.75
36x0.75= $27
Can I get brainliest

Ms. Watson's recipe uses
1 cup of milk to make 12 biscuits.
How many cups of milk will be used to make 36 biscuits?

Answers

Answer:

1 cup = 12 biscuits

2 cups = 24 biscuits

3 cups = 36 biscuits

So, 3 cups make 36 biscuits.

Step-by-step explanation:

36 ÷ 12 = 3

Answer:

3 cups of milk

Step-by-step explanation:

1 cup = 12 biscuits

x cups = 36 biscuits

1/12 = x/36

cross multiply

36 = 12x

36/12 = 12x/12

3 = x

The price for a car in 2015 was RM 54000. This was 10% higher compared to the year 2014?​

Answers

Answer:

2014 price was $49,091

Step-by-step explanation:

I'm assuming you want to solve for 2014 year price...

2015 year price is 54,000 and was 10% higher than 2014 price, meaning 2015 price is 110% of 2014 price so...

p×110%=54,000

p=54,000/1.1

p=49,090.90

Which angle is congruent to B

Answers

I think it’s angle D because it’s an alternate interior angle with angle B

I need help with Algebra 2. Thank you! :)

Answers

Answer:

B: 6.0

Step-by-step explanation:

-3t^2+9t+54 = 0

This is the equation that needs to be solved

Divide both sides by -3

t^2 - 3t - 18 = 0

The factors of 18 are: (1 18) (2 9) (3 6)

3 - 6 = -3 and 3 x -6 = -18

So: (t + 3) (t - 6) = 0

t = -3, 6

It can't be negative so the answer is 6

Six trigonometric functions of -315.

Answers

Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc).
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