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horsena [70]
3 years ago
8

1. A three-dimensional figure that has one vertex and one circular base is known as a:

Mathematics
1 answer:
user100 [1]3 years ago
7 0

Answer:

cone

Step-by-step explanation:

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Amy solved the equation 2x ^ 2 + 5x - 42 = 0 She stated that the solutions to the equation were 7/2 and -6. Do you agree with Am
elena-14-01-66 [18.8K]

Answer:

The answer to your question is Amy is correct.

Step-by-step explanation:

Data

Equation              2x² + 5x - 42 = 0

-Factor

 2 x 42 = 84

- Find the prime factors of 84

                                       84     2

                                       42     2

                                        21     3

                                          7     7

                                           1

84 = 2² 3 7

-Find two numbers that added gives 5

 These numbers are 12 and -7

- Express the equation using these numbers

                          2x² + 12x - 7x - 42

-Factor by common factor

                          2x(x + 6) -7(x + 6)

-Factor by grouping

                              (x + 6)(2x - 7)

-Find the roots

                        x₁ + 6 = 0            2x₂ - 7 = 0

                        x₁ = -6                 2x₂ = 7

                                                     x₂ = 7/2

8 0
3 years ago
Solve for x: x - 6 ≤ 3
Mars2501 [29]

Answer:

x≤ 9

Step-by-step explanation:

add 6 to the other side to get x by itself....

8 0
3 years ago
In addition to the information given in the drawing, which statement is sufficient to prove △STW ~ △XYZ?
Paraphin [41]
I’m pretty sure the answer is C
5 0
4 years ago
Read 2 more answers
Pls help me pls pls pls
shusha [124]

Answer:

1. 1 and 2;  2 and 3

2. 4 and 5;  5 and 6

3.  7 and 8;  8 and 9

4.  1 and 3;  2 and 4

Step-by-step explanation:

3 0
3 years ago
In m + 8, the variable m can have any value. Tell whether each statement is true or false. Then explsin your reasoning.
mote1985 [20]
M can have any value because M can represent any number because it is the unknown.
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