Helpp me please

Mathematics

1 answer:

dalvyx [7]3 years ago

3 0

Answer:

7) c, 8) d, 9) a

Step-by-step explanation:

A mathematical system includes axioms, postulates and theorems, defined and undefined terms.

Correct choice is

c. I, II and III

We cannot define the undefined terms but we use term to define the others. As an example, we use point and line to define rays or segments.

Correct choice is

d. Undefined Terms

Undefined terms are point, line and plane

Correct choice is

a. Point, line and plane

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Question 28 of 30Calculate the surface area in square feet of a box that measures 13 inches inlength, 11 inches in width, and 11

KATRIN_1 [288]

ANSWER:

5.65 ft²

STEP-BY-STEP EXPLANATION:

We have the following measures:

Length (l) = 13 inches

Width (w) = 11 inches

Height (h) = 11 inches

We can determine the surface area as follows:

$\begin{gathered} A=2\cdot l\cdot w+2\cdot l\cdot h+2\cdot w\cdot h \\ \\ \text{ We replacing:} \\ \\ A=2(13)(11)+2(13)(11)+2(11)(11) \\ \\ A=286+286+242 \\ \\ A=814\text{ in}^2 \\ \\ \text{ Convert inches to feet, knowing that 1 foot is equal to 12 inches} \\ \\ A=814\text{ in}^2\cdot\frac{(1\text{ ft\rparen}^2}{(12\text{ in\rparen}^2} \\ \\ A=5.65\text{ ft}^2 \end{gathered}$

Therefore, the correct answer is 5.65 ft²

7 0

1 year ago

DIRECTIONS: Use this information to answer Parts A and B. Scientists measure temperature in degrees Celcius and in kelvin. A tem

nadya68 [22]

Answer:

$K = C + 273.15$