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lutik1710 [3]
3 years ago
13

The pH scale measures how acidic or basic a substance is. Lemon juice is said to have a pH of less than 4 and greater than 1.5.

Model the normal range of pH values of lemon juice, using a compound inequality.
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

1.5<x<4 i hope this is right sorry if its not

Step-by-step explanation:

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Solve the right angle trig problem.
iris [78.8K]

Answer:

x = 53.6588°

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

<u>Trigonometry</u>

  • [Right Triangles Only] SOHCAHTOA
  • [Right Triangles Only] cos∅ = adjacent over hypotenuse

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use trig to find the missing angle.

<u>Step 2: Identify Variables</u>

<em>POV from angle x</em>

Angle = <em>x</em>

Adjacent = 16

Hypotenuse = 27

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Substitute:                    cosx° = 16/27
  2. Inverse:                         x° = cos⁻¹(16/27)
  3. Evaluate:                       x = 53.6588°
7 0
2 years ago
What is the surface area of the square pyramid? 30 m 18 m ות 36​
gayaneshka [121]

Answer:

the answer is 5100 im pretty sure.

Step-by-step explanation:

yes

4 0
2 years ago
PLEASE PLEASE HELP ME PLEASE I AM SO DUM I DONT KNOW THE ANSWER PLEASE JUST HELP ME
pogonyaev

Answer:

Cougar population was 790 at the beginning

830-790=40

3 0
3 years ago
Compare the size of a yard to the size of a foot
Gekata [30.6K]

Answer:

A Yard is 3 feet. 3:1 ratio

Step-by-step explanation:

5 yards equals 15 feet

7 0
3 years ago
Read 2 more answers
Tanesha has a monthly mortgage payment of $650. Her annual property taxes are $1200, her PMI is $66/month, and her homeowners in
nika2105 [10]

The <em><u>correct answer</u></em> is:

$236

Explanation:

Her annual property taxes are $1200.  This means her escrow each month needs to have 1/12 of that amount; 1200/12 = $100 needs to be in the account each month.

Her mortgage insurance is $66 per month; this means a total of $100+66 = $166 needs to be in escrow every month.

Her homeowner's insurance is $840 per year; this means 1/12 of that needs to be in her escrow account each month:

840/12= 70

This gives us a total of $166+$70 = $236

7 0
3 years ago
Read 2 more answers
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