This is urgent!!! Increase £400 by 3.2% how do you do it

Answers

Answer 1

Answer: to get 3.2% : 400 x $(3.2)/(100)$ = 12.8

12.8 + 400 = £412.80

Answer 2

Answer: 10% of 400 = 40
1% of 400 = 4
0.1% of 400 = 0.4

(3 x 1%) + (2 x 0.1%) = 3.2%
3.2% = 12.8
Answer is 412.8 pounds

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Which equation is equivalent to 4.5 = 2a?

Answers

2a = 4.5 |divide both sides by 2

a = 2.25

Answer:

a = 2.25

Step-by-step explanation:

Hurry plz!!! Which two numbers have a least common multiple of 60?OA) 12 and 15
OB) 6 and 10
OC) 6 and 15
OD 6 and 12

Answers

Answer:

A) 12 and 15

B is the correct answer

Is 21,28,35 a right triangle?

I will mark the CORRECT answer Brainiest.

Answers

Answer:

Yes

Step-by-step explanation:

If the sides match Pythagoras' Theorem, the triangle is a right triangle.

$21^(2) +28^(2)$

= $441+784$

= $1225$

= $35^(2)$

Answer:

Yes

Step-by-step explanation:

Criteria for finding a right triangle is that sum of square of two sides = square of the third side.

Let the sides be A, B and C.

( i.e )

A² + B² = C²

So,

Let,

A = 21

B = 28

C = 35

21² + 28² = 35²

441 + 784 = 1225

1225 = 1225

Hence,

Sides 21, 28, and 35 will form a right triangle.

The slope-intercept form of the equation of a line that passes through point (–2, –13) is y = 5x – 3. What is the point-slope form of the equation for this line?y – 13 = 5(x – 2)
y + 13 = 5(x + 2)
y – 2 = 5(x – 13)
y + 2 = 5(x + 13)

Answers

The point-slope form in general is $y-y_1=m(x-x_1)$

With the coordinate (-2,-13) being $(x_1,y_1)$ , and the slope m, is 5, from y = 5x – 3,

$y-y_1=m(x-x_1)$
$y-(-13)=5(x-(-2))$
$y+13=5(x+2)$

Answer:

its b :)

Step-by-step explanation:

i aint ever seen two pretty best friends

Josh's gross pay was 320.00 this week. How much in FICA will be withheld from his check

Answers

Given:
gross pay for the week: 320

FICA - Federal Insurance Contribution Act
Social Security Tax = 6.2% of his wages
Medicare Tax = 1.45% of his wages

SST = 6.2% * 320 = 19.84
MT = 1.45% * 320 = 4.64

Total FICA withheld = 19.84 + 4.64 = 24.48

Toilet rolls come in packs of 4 and 9the 4 pack is priced at 2.04 pound
the 8 pack is prices at 3.68 pound
by calculating the price per roll, determine which pack is better value.
show your working

Answers

Answer:

8 pack.

Step-by-step explanation:

For the 4 pack, price per roll = 2.04 / 4 = £0.51

For the 8 pack, price per roll = 3.68 / 8 = £0.46.

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Write 3/9 in simplest form

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