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tester [92]
3 years ago
6

Can someone help me out

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
8 0

Answer:

The correct answer is 21.5

Step-by-step explanation:


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What would be the answer for this one?
PilotLPTM [1.2K]

Hi,

Using Thalès, x/14=9/12

==>x=9*14/12

==>x=21/2

==>x=10.5

Answer D

7 0
3 years ago
Josh estimates the height of his desk what is a reasonable estimate
Vikki [24]
A reasonable estimate would be 3 feet
3 0
3 years ago
Read 2 more answers
Plssss hellpppppp meeeeeeeww
Step2247 [10]

Answer:

12

Step-by-step explanation:

When the numerators are the same, the denominator that is bigger has a lesser value. In this case, the inequality > shows that \frac{1}{10} is bigger than the fraction next to it so in order to find a fraction that is lesser in value than  \frac{1}{10}, we need to find a denominator that is <u>more than 10</u>, since 10 is the denominator of the first fraction. The only number more than 10 in the options is 12, so 12 is the answer.

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3 years ago
The formula for the surface area of a sphere is A=4pi r*2, where r is the length of the radius. Find the surface area of the sph
g100num [7]

Answer:

Step-by-step explanation:

area=4×22/7×14²=4×22×28=2464 units²

8 0
3 years ago
Consider the polynomial p(x) = x^3 + 4x^2 + 6x − 36.
Nady [450]

Answer:

a. attached graph; zero real: 2

b. p(x) = (x - 2)(x + 3 + 3i)(x + 3 - 3i)

c. the solutions are 2, -3-3i and -3+3i

Step-by-step explanation:

p(x) = x³ + 4x² + 6x - 36

a. Through the graph, we can see that 2 is a real zero of the polynomial p. We can also use the Rational Roots Test.

p(2) = 2³ + 4.2² + 6.2 - 36 = 8 + 16 + 12 - 36 = 0

b. Now, we can use Briott-Ruffini to find the other roots and write p as a product of linear factors.

2 |  1     4     6    -36

     1      6    18     0

x² + 6x + 18 = 0

Δ = 6² - 4.1.18 = 36 - 72 = -36 = 36i²

√Δ = 6i

x = -6±6i/2 = 2(-3±3i)/2

x' = -3-3i

x" = -3+3i

p(x) = (x - 2)(x + 3 + 3i)(x + 3 - 3i)

c. the solutions are 2, -3-3i and -3+3i

4 0
3 years ago
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