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3 years ago

Simplify √50. Show your work.

Mathematics

1 answer:

laila [671]3 years ago

7 0

Question:

Simplify √50. Show your work.

Answer:

√50

√5×10

√25×2

√25 which gives you 5

<h3>the final answer is 5√2 .</h3>

Hope this helps!

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B. What is the radius of a ball that uses one-half of the amount of rubber coating used to cover the 16-inch ball? Write your an

liberstina [14]

Answer:

The radius, r₂, of the ball that uses one-half the amount of rubber coating used to cover the 16-inch ball is approximately 4.66 inches

Step-by-step explanation:

The dimension of the ball with known radius = 16-inch

The surface area of the ball with 16-inch radius = 4×π×r² = π·D² = π×16² = 804.24772 in.²

Given that the ball uses one-half the rubber material coating used to cover the 16-inch ball, we have the surface area of the ball = 804.24772 in.²/2 = 402.12386 in.²

The radius, r₂ of the new ball is found as follows;

402.12386 in.² = 4×π×r₂²

r₂² = 402.12386 in.² /(4×π) ≈ 32

r₂ = √32 = 4·√2 ≈ 4.66 inches

The radius, r₂, of the ball that uses one-half the amount of rubber coating used to cover the 16-inch ball ≈ 4.66 inches.

7 0

3 years ago

6(1 + 3R) = 2(10R - 9) -4R

Damm [24]

Answer:

R=-12

Step-by-step explanation:

6(1 + 3R) = 2(10R - 9) -4R

Distribute 6 through the parentheses

6+18R=2(10R-9)-4R

Distribute 2 through the parentheses

6+18R=20R-18-4R

Collect like terms

6+18R=16R-18

Move the variable to the left-hand side and change its sign

6+18R-16R=-18

Move the constant to the right-hand side and change its sign

18R-16R=-18-6

Collect like terms

2R=-18-6

Calculate the difference

2R=-24

Divide both sides of the equation by 2

R=-12

if you'd make me brainliest that'd be great, if not its ok as well! I hope this helped!!!

5 0

3 years ago

a submarine is 100 meters below sea level when it begins to ascend at a steady rate of 3.0 miles per minute interpret values wha

Angelina_Jolie [31]

Answer:

y = 3x - 100

Step-by-step explanation:

below signifies that the 100 is negative

so we already know that the submarine is starting at -100 meters, which is going to be the y-intercept

ascend means to rise up signifying that the slope is going to be positive and we already know that the submarine is ascending 3 miles per minute

so the equation would look like this:

y = 3x - 100

7 0

3 years ago

Read 2 more answers

If a gambler places a bet on the number 7 in roulette, he or she has a 1/38 probability of winning.

SCORPION-xisa [38]

A) The mean would be 1.842 and the standard deviation would be 1.339.
b) It would not be unusually low.

Explanation
a) This can be modeled as a binomial distribution, since there are two outcomes (7 or not 7), the events are independent (getting a 7 on one spin does not influence the chance of a 7 on the next spin) and there are a fixed number of trials (70). In a binomial distribution, the mean is given by n*p, where n is the number of trials and p is the probability.

μ=n*p=70*(1/38) = 1.842.

The standard deviation of a binomial distribution is given by
σ=√(n*p*(1-p))=√(70(1/38)(37/38)=1.339.

b) To determine if this is unusually low, we find the probability:
$_nC_k\times p^n\times (1-p)^{k-n}
\\
\\=_{70}C_0\times (\frac{1}{38})^0\times \frac{37}{38}^{70}
\\
\\=0.15$

Since this is not below 0.05, we do not consider this unusual.

3 0

4 years ago

For A(–3, 2), B(0, 7), and C(0, 2), find all locations of a fourth point, D, so that a parallelogram is formed using A, B, C, D

ki77a [65]

The answer will be a (-3,2)
This is due to the coordination grid and draw

5 0

3 years ago