Mathematics High School

A library has been given a specific amount of money and can buy 350 hardback books costing
£15.75 each
a How many books costing £10.50 could be bought instead?
b What type of proportion does this represent

Answers

Answer 1

Answer:

525 books

Step-by-step explanation:

Total books = 350

Cost of each book = £15.75

Total cost = 350 × £15.75

= £5,512.5

a. How many books costing £10.50 could be bought instead?

Instead of using £5,512.5 to buy 350 books at £15.75 each,

Number of books = total cost / cost per book

= £5,512.5 / £10.50

= 525 books

£5,512.5 can be used to buy 525 books at £10.50 each

The proportion is a direct proportion

Related Questions

1000,500,250,125 arithmetric or geometric

Answers

Answer:

Hi mate.....

Step-by-step explanation:

Answer is Arithmetic

Geometric includes shapes and angles....

hope it helps,

mark me brainliest....

Follow me!

1/3 x + 1 = 5/6 x - 3

Answers

Answer:

x=8

Step-by-step explanation:

Step 1: Subtract 5/6x from both sides.

1/3x+1−5/6x=5/6x−3−5/6x

−1/2x+1=−3

Step 2: Subtract 1 from both sides.

−1/2x+1−1=−3−1

−1/2x=−4

Step 3: Multiply both sides by 2/(-1).

(2/−1)*(−1/2x)=(2/−1)*(−4)

x=8

Help pleaseeeeeeeeee

Answers

Answer:

2 the answer is two, two halves can create a semi circle.

Step-by-step explanation:

Answer: B)
If you add two of them together they form a semi circle

Find the number for x. (Divide)
8.2x=164​

Answers

x= 20

Divide both sides by 8.2 so x will be by itself. 164 divided by 8.2 is 20 so x=20

How would I solve this problem?

Answers

Answer:

n= 4

Step-by-step explanation:

[tex]a^{m}*a^{n}=a^{m+n}\\\\(a^{m})^{n}=a^{m*n}\\\\\frac{a^{m}}{a^{n}}=a^{m-n}[/tex]

[tex]7^{7}*7^{5}=\frac{(7^{n})^{4}}{7^{4}}\\\\7^{7+5}=\frac{7^{n*4}}{7^{4}}\\\\7^{12}=\frac{7^{4n}}{7^{4}}\\\\7^{12}=7^{4n-4}[/tex]

Compare the exponents,

4n - 4 = 12     {Add 4 to both sides}

4n = 12 + 4

4n = 16

n = 16/4

n = 4

Identify and factoring polynomials
25r3 + 30r2 + 20r + 24

Answers

Answer:

(5r + 6)(5r² + 4)

Step-by-step explanation:

Given

25r³ + 30r² + 20r + 24 ( factor the first/second and third/fourth terms )

= 5r²(5r + 6) + 4(5r + 6) ← factor out (5r + 6) from each term

= (5r + 6)(5r² + 4)

Fractions to decimals 19/31

Answers

Answer:

0.6129 I hope this helps!!!

Step-by-step explanation:

What is the answer to this question?​

Answers

Answer:

9 I think don't trust me 100%

Step-by-step explanation:

Answer:

x= 9

Step-by-step explanation:

What is m∠NPQ? Please help!

Answers

Answer:

d.not enogh information

The measure of the angle ∠NPQ will be 118°. Then the correct option is C.

What is a trapezoid?

It is a polygon that has four sides. The sum of the internal angle is 360 degrees. In a trapezoid, one pair of opposite sides are parallel.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

In the isosceles trapezoid, the sum of the opposite angle is 180 degrees. Then the equation is given as,

∠NMQ + ∠NPQ = 180°

∠NPQ + 32° + 30° = 180°

∠NPQ = 118°

The measure of the angle ∠NPQ will be 118°. Then the correct option is C.

More about the trapezoid link is given below.

https://brainly.com/question/22607187

#SPJ6

I need help I need to find the error

Answers

Pvhbgggg uh hgyggg yvbb by j

Can someone please help me

Answers

Answer:

high school is hard :(

Step-by-step explanation:

an amusement park it's admission price to $15.50 per day, but now charges $1.50 per ride mark has 26 to spend on admission and ride. write and solve an equation to find how many rides mark can ride in one day? "solving multi-step probles with equation"​

Answers

Answer:

Step-by-step explanation:

26-$15.50=10.5

10.5/1.5=7

he can ride 7 rides in one day

PLZ HELP IGNORE THE 2 question i only need the 1st

Answers

Answer 5 by 6

Step-by-step explanation:

Answer:

D. 5 in by 6 in

Step-by-step explanation:

1/3=.33

15in x.33=5 in

18in x.33=5.96 in

(round up and you get 6)

I really need help plzzzzz​

Answers

Answer:

All similar, see below

Step-by-step explanation:

Q1

Angles

26° & 64° & 90°AA similarity

Q2

Ratios of corresponding sides:

6/8 = 9/12 = 12/16 ⇒ 3/4SSS similarity

Q3

Angle C is vertical

∠ACB ≅ ∠DCE

Ratios of corresponding sides:

9/15 = 18/30 ⇒ 3/5SAS similarity

a map of 5 inches represents 200 miles of actual distance suppose the distance between two cities on the map is 7 inches what is the actual distance between the two cities write the rule you used to find the actual distance ​

Answers

Answer:

280 miles and the rule is multiply by 40

Step-by-step explanation:

The next model of a sports car will cost 13.6% more than the current model. The current model costs $58,000 . How much will the price increase in dollars? What will be the price of the next model?

Increase price:

Price of next model:

Answers

Answer:

increase price: $7,888

price of next model:65,888

f(n) = 3(n+ 1). Find f(-2)

Answers

Answer:

-6 +3= -3

Step-by-step explanation:

What is the y-intercept of the line that passes through the points (2,-1) and (-3,9)

Answers

Answer:

The equation of the straight line y = -2x +3

y-intercept =  3 and m =-2

Step-by-step explanation:

Step(i):-

Given that the points are ( 2,-1) and (-3,9)

The slope of the line

[tex]m = \frac{y_{2}-y_{1} }{x_{2} -x_{1} } = \frac{9-(-1)}{-3-(2)} = \frac{10}{-5} = -2[/tex]

Step(ii):-

The equation of the straight line passing through the point ( 2,-1) and slope m=-2

      y-y₁ = m( x- x₁)

     y -(-1) = -2 ( x-2)

      y +1 = -2x +4

     2x +y +1-4 =0

    2x +y -3 =0

Final answer:-

The equation of the straight line y = -2x +3

Kelly paid $14.30 for 3.25 pounds of chicken what the price per chcken

Answers

Answer:

the price per pound : 14.3/3.25 =$4.4/ pound

Step-by-step explanation:

Solve. Show all steps.
1/8 x = 1/2

Answers

Answer:

[tex] \frac{1}{8} x = \frac{1}{2} \\ x = \frac{8}{2} \\ \boxed{x = 4}[/tex]

x=4 is the right answer.

Answer:

x = 4

Step-by-step explanation:

1/8 * x = 1/2

x = 1/2 *8

x = 4

hope it help you

preciate your help I really need this

Answers

The answer is the second one : 1/3(b-21)

in a season there are 40 matches.
How many matches should Sachin's team expect to win in a season?

Answers

Sachins team has seven 7 matches

x to the 2nd power minus 6 equals 1

Answers

Answer:

2.646

Step-by-step explanation:

You have to 6 to the 1 and then take the square root of the number which is seven leaving you with 2.646

Answer:

x = ±√7

Step-by-step explanation:

Symbolically, we have x^2 - 6 = 1,  and so x^2 = 7, so that x = ±√7

thi is due at 9:00 please help

Answers

Answer:

-2 -4

Step-by-step explanation:

saying to use 20 letters lol hope that helps

cos(x)
⁻⁻⁻⁻⁻⁻⁻⁻=sin(x)
cot(x)

Answers

Answer:

What is this exactly?

Step-by-step explanation:

X plus 10% = 132 what is X

Answers

Answer:

In Math An X means multiplication/multiply.

Why I don't have information to find the missing lengths? ​

Answers

Answer:

yes

Step-by-step explanation:

Ask your teacher. Or is that what you need answered

18w2(squared) - w - 39​

Answers

Answer:

w = 1.5 and -1.44

Step-by-step explanation:

Given the quadratic equation 18w^2 - w - 39

Using the general formuls

w = 1 ±√1²-4(18)(-39)/2(18)

w =1 ±√1+2808/36

w =1 ±√2809/36

w = 1+53/36 and 1-53/36

w  = 54/36 and -52/36

w = 1.5 and -1.44

1/2+ p = -3 solve for p

Answers

Answer:

-3.5

Step-by-step explanation:

1/2+p= -3

p= -3-1/2

p= -3.5

hope it helped? (3

Which of the following must be true if triangle ABD = triangle CDB? 45 points goooo

Answers

Answer:

i think its c

Step-by-step explanation:

Answer:

I think its A

Step-by-step explanation:

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