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4 years ago

Solve the equation. Check your work. (please show work) 5(2-y)+y=-6

Mathematics

1 answer:

Mashcka [7]4 years ago

3 0

5(2-y)+y=-6
10-5y+y=-6
10-4y=-6
-10 -10
-4y=-16
y=4

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Roman55 [17]

Answer:

Step-by-step explanation:

27 ÷ 90 = 0.3 = 0.30 = 30%

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3 years ago

How do you write 7% in the most simple fraction

sesenic [268]

Answer:

The answer is 7/100 in a Simplified Fraction.

Step-by-step explanation:

Hope this helps!

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2 years ago

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Mhanifa u helped me with this question.... U said it was 25 and its not so why is it wrong

Yanka [14]

Hey I don't know who Mhanifa is but 25 is correct, and I will put the entire explanation to how to get the answer here.

First of all the 2 lines on the left and right side of the triangles are means that those 2 lines are equal and thus forming a isosceles triangle.

This means that the bottom right angle is also 2x+2 degrees.

Now because all 3 angles in a triangle adds to 180 degrees, we can set up equation.

3x+1+2x+2+2x+2=180

Now combine like terms

7x+5=180

Then solve, first subtract 5 from both sides.

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Now divide 7 from both sides

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3 years ago

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Write a number story to match the number model 4 +4 +4= 12. Draw a picture of your story.

Anni [7]

Answer:

4 apples adding 4 and adding 4 again = the amount you have

Step-by-step explanation:

draw 3 groups of 4 apples

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3 years ago

Find the simple interest on 7,200 at 3/4% for 5 years

lakkis [162]

Answer:

$7474.08

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Simple Interest Rate Formula: $\displaystyle A = P(1 + r)^t$

A is final amount
P is principle (initial) amount
r is rate
t is time (in years)

Step-by-step explanation:

Step 1: Define

P = 7200

r = 0.75% = 0.0075

t = 5

Step 2: Solve for A

Substitute in variables [Simple Interest Rate Formula]: $\displaystyle A = 7200(1 + 0.0075)^5$
(Parenthesis) Add: $\displaystyle A = 7200(1.0075)^5$
Evaluate exponents: $\displaystyle A = 7200(1.03807)$
Multiply: $\displaystyle A = 7474.08$

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3 years ago