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zysi [14]
3 years ago
11

What is y equals one third times two plus four

Mathematics
2 answers:
Usimov [2.4K]3 years ago
5 0
Y = 4 2/3 in the mixed number form
Makovka662 [10]3 years ago
3 0
Y=13•2+4 ——->Y=14/3——>14/3= 4.6
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The perimeter of the shape is
jasenka [17]

Answer:

94 cm.

Step-by-step explanation:

Perimeter = 25 + 2(10) + + 2(12) + 25

= 50 + 20 + 24

= 94 cm.

8 0
3 years ago
Earl gets a commission of 20% on all sales. He sold $1,580.00 worth of goods. What was the amount of his paycheck?
Anni [7]
The answwer

20%  of <span>$1,580.00 is   X= 1,580 x20/ 100 = $316
</span> 
the amount of his paycheck was <span> $316</span>



7 0
3 years ago
Read 2 more answers
9/20
Stella [2.4K]

<u>Question:</u>

Find the number of real number solutions for the equation. x^2 + 5x + 7 = 0

<u>Answer:</u>

The number of real solutions for the equation x^{2}+5 x+7=0 is zero

<u>Solution:</u>

For a Quadratic Equation of form : a x^{2}+b x+c=0  ---- eqn 1

The solution is x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}  

Now , the given Quadratic Equation is x^{2}+5 x+7=0  ---- eqn 2

On comparing Equation (1) and Equation(2), we get

a = 1 , b = 5 and c = 7

In x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a} , b^2 - 4ac is called the discriminant of the quadratic equation

Its value determines the nature of roots

Now, here are the rules with discriminants:

1) D > 0; there are 2 real solutions in the equation

2) D = 0; there is 1 real solution in the equation

3) D < 0; there are no real solutions in the equation

Now let solve for given equation

D= b^2 - 4ac\\\\D = 5^2 - 4(1)(7)\\\\D = 25 - 28 \\\\D = -3

Since -3 is less than 0, this means that there are 0 real solutions in this equation.

4 0
3 years ago
-2(1.7x + 3.1) = 4<br> find x please
katrin2010 [14]

Answer:

x=-3

Step-by-step explanation:

you first distribute -2 then add 6.2 to both sides of the equation the finnaly divide by -3.4 to both side then you will get x

(-2)1.7x+(-2)3.1`

-3.4x-6.2=4

        +6.2 +6.2

-3.4x=10.2

-3.4x/-3.4= 10.2/-3.4

x=-3

6 0
3 years ago
PLS need help 0.85= y/0.8 - 0.1 find y
zvonat [6]

Answer:0.76

Step-by-step explanation:

5 0
2 years ago
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