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Nadya [2.5K]
3 years ago
7

Use your calculator to work out this equation

Mathematics
2 answers:
alisha [4.7K]3 years ago
4 0

Answer:

2.123842852 is the first answer

for part b it'll be 2.12

hope that helps

Step-by-step explanation:

Charra [1.4K]3 years ago
4 0

Answer:

a) 2.123842862

b) 2.12

Step-by-step explanation:

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Divide x to the 1 half power divided by x to the 2 sevenths power.
Semenov [28]
Remember some basic rules
\frac{x^m}{x^n}=x^{m-n}
and
x^ \frac{m}{n}= \sqrt[n]{x^m}


so
\frac{x^\frac{1}{2}}{x^\frac{2}{7}}=x^{\frac{1}{2}-\frac{2}{7}}
1/2-2/7=
7/14-4/14=
3/14

x^{\frac{1}{2}-\frac{2}{7}}=x^{\frac{3}{14}}

x^ \frac{3}{14}= \sqrt[14]{x^3}
4 0
3 years ago
Aaliyah is a salesperson who sells computers at an electronics store. She makes a base
hjlf

Answer:

P=1.25x+70

Step-by-step explanation:

So we know that Aaliyah earns $1.25 commission for every computer she sells. No matter what, she will make $70 per day, so that would be our constant. The $1.25 would be our independent variable since it can change depending on the amount of computers x she sells. Therefore, our equation is:

P=1.25x+70

P represents the total pay, 1.25x represents the total commission for x computers, and the 70 is the base pay.

And we're done!

6 0
3 years ago
Your paycheck​ (before deductions) varies directly as the number of hours you work. If your pay check is ​$144.00for 16 ​hours,
kotegsom [21]
Hello there!
First, divide 144 with 16 = 144 ÷ 16 = 9
Now, just multiply 9 with 10 = 9 x 10 = 90
Your pay for 10 hours was $90
I hope I helped!
6 0
3 years ago
What is the meaning of the expression (94+33)-3
jok3333 [9.3K]

124

i added 94+33 then substracted 3 hope it helps you

8 0
3 years ago
QUESTION 10
adelina 88 [10]

Answer:

Step-by-step explanation:

A = L * W

A = 22

L = 2x + 1

W = 3x + 1

now we sub

22 = (2x + 1)(3x + 1)

22 = 6x^2 + 2x + 3x + 1

22 = 6x^2 + 5x + 1

6x^2 + 5x + 1 - 22 = 0

6x^2 + 5x - 21 = 0 <======part A

(3x + 7)(2x - 3) = 0

3x + 7 = 0          2x - 3 = 0

3x = -7               2x = 3

x = -7/3              x = 3/2

I believe that x = -7/3 is an extraneous solution because when u plug it into ur length and width u get a negative number....and I dont think the sides of ur rectangle have negative values, however, it does work in ur equation and it equals 22 when multiplied...so I am not 100% sure

length = 2x + 1.......2(3/2) + 1........3 + 1 = 4

width = 3x + 1......3(3/2) + 1......9/2 + 1......9/2 + 2/2 = 11/2 (or 5.5) meters <===

6 0
3 years ago
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