<img src="https://tex.z-dn.net/?f=%284%2B%5Csqrt%7B-7%7D%29%20%283%2B%5Csqrt%7B-7%7D%29" id="TexFormula1" title="(4+\sqrt{-7}) (

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kramer

2 years ago

3+\sqrt{-7})" alt="(4+\sqrt{-7}) (3+\sqrt{-7})" align="absmiddle" class="latex-formula">

Mathematics

2 answers:

ivann1987 [24]2 years ago

8 0

The answer is 5+7i√7

lozanna [386]2 years ago

6 0

HMMMMMMMMMM LET ME WORK IT OUT FOR U

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5/8 - 3/10 A. 13/40 B. 1/20 C. 1/4 D. 1/5

densk [106]

5/8 - 3/10

Find the common denominator:

Multiples of 8: 8, 16, 24, 32, 40 (8 x 5 = 40)

Multiples of 10: 10, 20, 30, 40 (10 x 4 = 40)

5/8 = 5*5 / 8*5 = 25/40

3/10 = 3*4 / 10 *4 = 12/40

Now you have 25/40 - 12/40

25 -12 = 13

Answer = 13/40

The answer is A.

7 0

2 years ago

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Find m angle ABC I really need the answer to this

damaskus [11]

To find <ABC, the first thing you would need to do is to find angle DBA and the value of x

As <DBE is a right angle, <DBE is on the same straight line as well,meaning that it would be 90° , a right angle as well.

It also mean that the total sum of the angles unknown would be 90°

To find x,we need to set up an equation:
(2x+14)+ (x+7) = 90
3x+21 = 90
3x = 69
x = 23

Thus,<ABC would be
(23)+7
=30°

Hope it helps!

7 0

3 years ago

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2 thousands 7 tens dived 10

kvasek [131]

If your asking 2,710÷10 it is 271

4 0

3 years ago

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Can someone solve this for me please.

nika2105 [10]

Answer:

The value of PR is 21 ft.

Step-by-step explanation:

We know that:

3(PQ + QT + TP) = PR + RS + SP
PQ = 7 ft.
QT = 4 ft
RS = 12 ft.

Work:

3(PQ + QT + TP) = PR + RS + SP
=> 3(7 + 4 + TP) = PR + 12 + SP
=> 21 + 12 + 3TP = PR + 12 + SP
=> 21 + 3TP = PR + SP
=> 21 + SP = PR + SP [3TP = SP]
=> 21 = PR

Hence, the value of PR is 21 ft.

Hoped this helped.

$BrainiacUser1357$

6 0

2 years ago

Simplify the following using PEMDAS: [3−(3⋅3)+33÷3] × 4⋅5/10−2⋅3

kompoz [17]

Answer: 34

Step-by-step explanation:

Given expression

[3 - (3 · 3) + 33 ÷ 3] × 4 · 5 / 10 - 2 · 3

Simplify by parentheses in the bracket

=[3 - 9 + 33 ÷ 3] × 4 · 5 / 10 - 2 · 3

Simplify by multiplication

=[3 - 9 + 33 ÷ 3] × 20 / 10 - 6

Simplify by division

=[3 - 9 + 11] × 10 - 6

Simplify by bracket (addition/subtraction)

=[-6 + 11] × 10 - 6

=[4] × 10 - 6

Simplify by multiplication

=40 - 6

Simplify by subtraction

= $\boxed{34}$

Hope this helps!! :)

Please let me know if you have any questions

8 0

2 years ago