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8_murik_8 [283]
3 years ago
14

Pipe A can fill 3 tanks in 8 minutes. Pipe B can fill 5 tanks in 10 minutes. How long will it take for them to fill a single tan

k if they work together?​
Mathematics
1 answer:
weqwewe [10]3 years ago
6 0

Answer:

8/7 min  = 1 \frac{1}{7}   minutes

Step-by-step explanation:

A rate 2 2/3 = 8/3 min per tank

B rate 2 min per tank

thus:

A rate = 3/8 tank per min

B rate = 1/2 tank per min

A+ B =  3/8 + 4/8 = 7/8 tank per min

7/8 x = 1

x = 8/7 min

 

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What is the product of 4/5×2/3? Draw a model to support your answer. Explain how the model shows the product.
ddd [48]

Answer:

8/15

Step-by-step explanation:

multiply numerators and denominators:

4/5 x 2/3 = 4x2/5x3

multiply:

8/15

8 0
3 years ago
Two women were complaining about their teenagers’ preoccupation with clean hair. One moaned, “My four boys will use up three bot
olga2289 [7]
Girls 5%

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3 0
3 years ago
F(x) = 6^x for x=3<br> are the function for the given value:
Nimfa-mama [501]

Answer:

f(3) = 216

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

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 6ˣ

x = 3

<u>Step 2: Evaluate</u>

  1. Substitute:                    f(3) = 6³
  2. Exponents:                   f(3) = 216
4 0
2 years ago
The length of the sides of four triangles are given. Determine which triangle is not a right triangle.a.5 mm, 12 mm, 13 mmb.20 m
gizmo_the_mogwai [7]
For a right triangle, the sum of the squares of two shorter side should be equal to the square of the third side. The calculations for each choices are shown below. 

a. (5 mm)² + (12 mm)² = 169 mm²    ;    (13 mm)² = 169 mm²   ;     EQUAL
b. (20 mm)² + (48 mm)² = 2704 mm²   ; (52 mm)² = 2704 mm²  ;    EQUAL
c. (6 mm)² + (8 mm)² = 100 mm²       ;    (10 mm)² = 100 mm²   ;     EQUAL
d. (11 mm)² + (24 mm)² = 697 mm² ;  (26 mm)² = 676 mm²  ;  NOT EQUAL

Therefore, the answer is letter D. 
7 0
3 years ago
Pic need help plz !!!!
sweet [91]

Answer:

A

Step-by-step explanation:

AAS is Angle Angle Side. Since one pair of sides and angles are already given, the only angles next to the given angles are the vertical angles.

6 0
3 years ago
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