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3 years ago

6

What is the answer to 6/2(1+3)?

1 answer:

Kaylis [27]3 years ago

4 0

Use PEMDAS to figure out which expression to work out first:

Parentheses
Exponents
Multiplication/Division
Addition/Subtraction

First, we'll want to solve the term with parentheses:

$2(1+3) = 2(4) = 2 \times 4 = 8$

The equation should now look like this:

$6 \div 8$

Divide to get your answer:

$6 \div 8 = 0.75$

The answer is 0.75.

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Solve for x <br> -4x+6(6-2x)=-7-36<br> A) 8<br> B) 15<br> C) -7<br> D) 3

wlad13 [49]

Answer:

D) 3 would be the answer

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2 years ago

snow_lady [41]

Answer:

$2000 was invested at 5% and $5000 was invested at 8%.

Step-by-step explanation:

Assuming the interest is simple interest.

<u>Simple Interest Formula</u>

I = Prt

where:

I = interest earned.
P = principal invested.
r = interest rate (in decimal form).
t = time (in years).

Given:

Total P = $7000
P₁ = principal invested at 5%
P₂ = principal invested at 8%
Total interest = $500
r₁ = 5% = 0.05
r₂ = 8% = 0.08
t = 1 year

Create two equations from the given information:

$\textsf{Equation 1}: \quad \sf P_1+P_2=7000$

$\textsf{Equation 2}: \quad \sf P_1r_1t+P_2r_2t=I\implies 0.05P_1+0.08P_2=500$

Rewrite Equation 1 to make P₁ the subject:

$\implies \sf P_1=7000-P_2$

Substitute this into Equation 2 and solve for P₂:

$\implies \sf 0.05(7000-P_2)+0.08P_2=500$

$\implies \sf 350-0.05P_2+0.08P_2=500$

$\implies \sf 0.03P_2=150$

$\implies \sf P_2=\dfrac{150}{0.03}$

$\implies \sf P_2=5000$

Substitute the found value of P₂ into Equation 1 and solve for P₁:

$\implies \sf P_1+5000=7000$

$\implies \sf P_1=7000-5000$

$\implies \sf P_1 = 2000$

$2000 was invested at 5% and $5000 was invested at 8%.

Learn more about simple interest here:

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Answer:

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1 year ago

A bakery offers a sale price of $3.45 for 4 muffins. What is the price per dozen?

Vlad [161]

Answer:

Cost of 4 muffins = $3.45

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Step-by-step explanation:

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2 years ago

Type a digit that makes this statement true.<br> 20,604,70_<br> is divisible by 6

saul85 [17]

Answer:

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Step-by-step explanation:

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2 years ago

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