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3 years ago

Help ASAP will give brainilist

Mathematics

2 answers:

Ainat [17]3 years ago

7 0

OI TEH ANSWER IS 10 HOPE THIS HELP'S

GL WITH STUDYING ^-^

Elenna [48]3 years ago

5 0

It would be: 4 / 2/5

We can re-write it as:

4 * 5/2

= 20/2

= 10

In short, Your Answer would be: 10

Hope this helps!

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- If you divide a number by four and then add six, you get eighteen. What is the number?

stiks02 [169]

Answer:

Step-by-step explanation:

Create an equation to represent this, where x is the unknown number.

$\frac{x}{4}$ + 6 = 18

Solve for x, by first subtracting 6 from both sides:

$\frac{x}{4}$ = 12

Multiply each side by 4:

x = 48

So, the number is 48

8 0

3 years ago

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a jewelry store is having a sale. A ring is now reduced to £840. This is a saving of 40% of the original price. Work out the ori

Helen [10]

£1400

A reduction of 40% means that £840 is 60% of the original price

Divide £840 by 60 to find 1% then multiply by 100 to find original price

original price = £840 × $\frac{100}{60}$ = £1400

7 0

3 years ago

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HELP I NEED ANSWER BEFORE 11 59

almond37 [142]

I think it’s 1 because there’s 9 shirts left and atleast one of them has to be green

7 0

3 years ago

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three numbers are in an arithmetic progression. Their sum is 3 and the sum of their squares is 11. what are the three numbers

Vlad [161]

The three numbers are 12, 18 and 24

Arithmetic progression

Let the 3 number in arithmetic progression be:

a-d, d, a+d ...

If their sum is 3, then;

a-d+d+a+d = 3

2a + d = 3 ........... 1

If the sum of their squares is 11, then;

(a-d)² + d² + (a+d)² = 11

a²-2ad+d²+d²+a²+2ad+d² 11

2a²+3d² = 11 ....... 2

Solving the equations simultaneously, d = 6 and a = 12

First-term = 12

second term = 18

Thirs term = 24

Hence the three numbers are 12, 18 and 24

Hope this helps you!!!!!! :D

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2 years ago

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Which expression is equivalent to √-80? 4√5 -4√5 -4i √ 5 4i √ 5

miskamm [114]

Answer:

4i√5

Step-by-step explanation:

$\sqrt{-80}=\sqrt{(-1)(16)(5)}=\sqrt{-1}\cdot\sqrt{16}\cdot\sqrt{5}=4i\sqrt{5}$

6 0

3 years ago