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3 years ago

Someone help? Number 7 for brainliest.

Mathematics

1 answer:

tatuchka [14]3 years ago

4 0

Answer:

The radius is 7.23units

Step-by-step explanation:

Check image below for solution

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Find the midpoint of the segment with the given endpoints. M(–2, 1) and N(–3, 2)

mafiozo [28]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points }
\\\\
M(\stackrel{x_1}{-2}~,~\stackrel{y_1}{1})\qquad 
N(\stackrel{x_2}{-3}~,~\stackrel{y_2}{2})
\qquad
% coordinates of midpoint 
\left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left( \cfrac{-3-2}{2}~~,~~\cfrac{2+1}{2} \right)\implies \left(-\frac{5}{2}~,~\frac{3}{2} \right)$

5 0

3 years ago

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Help plz what is 7-6v=-5-8v

kirill115 [55]

v=-6 is the right answer. First you had to subtract by 7 from both sides of equation, and it gave us, $7-6v-7=-5-8v-7$ . And then simplify, and it gave us, $-6v=-8v-12$ . You can also add by 8v from both sides of equation, and it gave us, $-6v+8v=-8v-12+8v$ . Next simplify, and it gave us, $2v=-12$ . Then you divide by 2 from both sides of equation, and it gave us, $\frac{2v}{2}=\frac{-12}{2}$ . And finally simplify, and it gave us the answer is v=-6 is the right answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

3 0

3 years ago

Alex made 36 cookies. 1/4 of the cookies were chocolate chip. 1/3 of the cookies were oatmeal. The rest of the cookies were pean

MatroZZZ [7]

Answer:

Step-by-step explanation:

number of chocolate chip cookies = 36 × ¼ = 9

number of oatmeal cookies = 36 × ⅓ = 12

36 - 9 - 12 = 15

Alex made 15 peanut butter cookies.

7 0

3 years ago

The amount of corn chips dispensed into a 10-ounce bag by the dispensing machine has been identified aspossessing a normal distr

timurjin [86]

Answer:

The probability that the sample mean weight of these 400 bags exceeded 10.6 ounces is P(Xs>10.6)=0.

Step-by-step explanation:

When we take samples of size n=400, we have the folllowing parameters for the sampling distribution for the sample means:

$\mu_s=\mu=10.5\\\\ \sigma_s=\dfrac{\sigma}{\sqrt{n}}=\dfrac{0.1}{\sqrt{400}}=\dfrac{0.1}{20}=0.005$

We can calculate the probability that the sample mean weight of these 400 bags exceeded 10.6 ounces calculating the z-score for Xs=10.6 and then its probability P(Xx>10.6), using the standard normal distribution:

$z=\dfrac{X_s-\mu_s}{\sigma_s}=\dfrac{10.6-10.5}{0.005}=\dfrac{0.1}{0.005}=20\\\\\\P(X_s>10.6)=P(z>20)=0$

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3 years ago

Solve he equation -5=c/7 A -7/5 B -12 C -5/7 D -35

tresset_1 [31]

The answer is D. -35
Hope this helps

5 0

2 years ago

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