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Paul [167]
2 years ago
13

Help! Algebra 1! Will mark brainliest!

Mathematics
1 answer:
natima [27]2 years ago
4 0

Answer:

x ≥ 12

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

-3/4x + 2 ≤ -7

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 2 on both sides:                    -3/4x ≤ -9
  2. Divide -3/4 on both sides:                   x ≥ 12
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If you know that log5 (2) - log5 (12) = 0, which of the following is false?
garri49 [273]

Answer:

B

Step-by-step explanation:

A is correct because log_5(12) was added on both sides, which is supported by the Additive Property of Equality

C is correct because the Quotient Property of Logarithms states that log_bM-log_bN=log_b(\frac{M}{N} )

   so log_5(x)-log_5(12)=log_5(\frac{x}{12} ) is correct

D is correct because using the fact that log_5x=log_512 it is easy to figure out that x=12

For B, there is no property supporting that statement.

8 0
3 years ago
Rita has deposited $1000 in a bank account. At the end of each year, the bank posts interest to her account in the amount of 5%
Ierofanga [76]
$1,040 is how much you would have remaining at the end if that's what you are looking for.
3 0
3 years ago
What is the gcf for 13 and 17
Yanka [14]

Answer:  GCF of 13 and 17 is 1. 2.

Step-by-step explanation: Greatest common factor (GCF) of 13 and 17 is 1. We will now calculate the prime factors of 13 and 17, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13 and 17.

8 0
2 years ago
Read 2 more answers
Wilmer went up a hill for x minutes at a speed of y kilometers per minutes. Then he went down the same path at a speed of z kilo
dedylja [7]

Answer:

xy=wz

Step-by-step explanation:

Given that:

Speed of Wilmer up the hill = y km/min

Time taken up the hill = x minutes

Speed of Wilmer down the hill = z  km/min

Time taken up the hill = w minutes

Distance can be calculated by multiplying the Speed with Time i.e.

The formula for distance is given as:

Distance = Speed \times Time

Distance up the hill = y\times x =xy\ kilometers

Distance down the hill = z\times w =wz\ kilometers

It is well known that, the distance up the hill and down the hill will be same.

Putting both the values equal, we get:

xy=wz

4 0
2 years ago
Please help me!
yan [13]

Answer:

80

Step-by-step explanation:

<u><em>A = Area of First Rectangle </em></u>

<u><em>B = Area of Second Rectangle </em></u>

<u><em>w = Width</em></u>

<u></u>

12(w)=320+B (1st Equation)

8(w) = B (2nd Equation)

w=B/8 <em><u>(Plug this value of w into the first equation)</u></em>

12B/8 = 320 +B <u><em>(you get this)</em></u>

12B= 2560 + 8B <u><em>(Simplify)</em></u>

4B = 2560

B =640 <em><u>plug this value into the 2nd equation</u></em>

8(w) = 640

w = 80

<em>To Test This</em>

12x80 = 960

8x80 = 640

<h3>960 - 640 = 320 <u><em>Therefore the answer is correct the width is 80</em></u></h3>

<h3 />
5 0
2 years ago
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