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3 years ago

What is £8.19 minus 10%

Mathematics

2 answers:

12345 [234]3 years ago

7 0

Answer:

7.391

Step-by-step explanation:

Find 10% of 8.19

8.19*10%

8.19 *.10

.819

Subtract this from 8.19

8.19-.819

7.391

Neko [114]3 years ago

4 0

Answer:

8.09

Step-by-step explanation:

$8.19 - 10 \% = 8.19 - \frac{10}{100} = 8.19 - 0.10 = 8.09$

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Lee's fifth-grade class has 1.4 times as many students as Fred's. If there are a total of 60 students , how many students does F

dalvyx [7]

Lee's class has 35...Fred's has 25..
total is 60

3 0

3 years ago

Solve the radical equation. square root 6n-11= n – 3 Which solution is extraneous? A.)2

Anvisha [2.4K]

ANSWER

D) 10

EXPLANATION

We want to solve the radical equation,

$\sqrt{6n - 11} = n - 3$

Square both sides,

$6n - 11 = (n - 3) ^{2}$

Expand brackets on right hand side,

$6n - 11 = {n}^{2} - 6n + 9$

Rewrite in general quadratic equation form,

${n}^{2} - 12n + 20 = 0$

Factor to obtain,

$(n - 2)(n - 10) = 0$

Apply the zero product principle to get,

$n = 2 \: or \: n = 10$

We put n=2 into the equation to get,

$\sqrt{6(2) - 11} = 2 - 3$

$1 = - 1$

This statement is false, hence 2 is an extraneous solution

We put n=10, to get

$\sqrt{6(10) - 11} = 10 - 3$

$\sqrt{49} = 7$

$7 = 7$

This is true, hence the only solution is
$n = 10$

3 0

4 years ago

Read 2 more answers

May someone please help me with this :)

givi [52]

So 6+7+13+6+8+7+5=52

3 0

3 years ago

What is the speed of the motorboat? please someone

Triss [41]

Answer:

105 miles per hour

Step-by-step explanation:

7 0

3 years ago

The drama club is printing t-shirts for its members. The printing company charges a certain amount for each shirt plus a setup f

Helga [31]

The cost of each t-shirt is <u>$7</u>, using the equation formed from the given conditions.

In the question, we are given that the drama club is printing t-shirts for its members. The printing company charges a certain amount for each shirt plus a setup fee of $40.

We are aske to find the cost of each t-shirt if there are 21 students in the club and the t-shirt order costs a total of $187.

We assume the cost of one t-shirt to be $x.

Thus, the cost of printing 21 t-shirts = $21x.

The setup fee is given to be $40.

Thus, the total cost of printing 21 t-shirts for the dram club = $21x + 40.

But, we are given that the total cost is $187.

Thus, we get an equation,

21x + 40 = 187.

This equation can be solved as follows:

21x + 40 = 187,

or, 21x = 187 - 40,

or, 21x = 147,

or, x = 147/21,

or, x = 7.

Thus, the cost of each t-shirt is <u>$7</u>, using the equation formed from the given conditions.

Learn more about equations at

brainly.com/question/17473531

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7 0

2 years ago