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Gekata [30.6K]
3 years ago
6

Last year, Megan earned £158900 before tax

Mathematics
1 answer:
ladessa [460]3 years ago
6 0
What’s the question?
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Solve for y<br> 20x+5y=60<br> -20x -20x<br> 5y=-20x+60<br><br> is it positive or negative 20?
valkas [14]

Step-by-step explanation:

it is negative 20 I'm pre sure

6 0
2 years ago
Please explain how to do #3
aleksley [76]
You answered correctly for part a. just simplify it. so for part a it would be x^4 + 8x^3 + 24x^2 + 32x + 16. repeat what you did in part a with part b (add & simplify). btw, the missing side in part c is 2x-x = x
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3 years ago
Solve for x,,,3x-1/4=-5/11
Neko [114]
\dfrac{3x-1}{4}=-\dfrac{5}{11}\ \ \ \ |cross\ multiply\\\\11(3x-1)=4\cdot(-5)\\\\33x-11=-20\ \ \ \ |add\ 11\ to\ both\ sides\\\\33x=-9\ \ \ \ |divide\ both\ sides\ by\ 33\\\\x=-\dfrac{9}{33}\\\\\boxed{x=-\dfrac{3}{11}}
4 0
3 years ago
0 = a + 27.98<br> Please I need help
pogonyaev

Answer:

a = -27.98

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is the value of k if √10 * k + 3 = 5?
Fittoniya [83]

Answer:

See explanation

Step-by-step explanation:

We want to find the value of k in

\sqrt{10k}  + 3 = 5

We subtract 3 from both sides;

\sqrt{10k}  = 5 - 3

Simplify on the right;

\sqrt{10k}  = 2

Square both sides;

10k = 4

k = 0.4

If your equation in actually

\sqrt{10k + 3}  = 5

Square both sides:

10k + 3 = 25

10k = 22

k = 2.2

7 0
3 years ago
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