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Sholpan [36]
3 years ago
8

Please help me with this question

Mathematics
2 answers:
USPshnik [31]3 years ago
5 0
B is your answer I think
nydimaria [60]3 years ago
3 0
(x+a)^2+(y+b)^2=r^2 where (-a,-b) is the center and r is the radius.
  (x+4)^2+(y+1)^2= 9

so the answer is D

remember when solving for radius in this formula and need to graph, you have to square root 
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Test test 123 123 12345678
ExtremeBDS [4]

Answer:

test test 9101112131415

6 0
3 years ago
Read 2 more answers
Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypot
Nina [5.8K]

Answer: a. 0.1031; fail to reject the null hypothesis

Step-by-step explanation:

Given: Significance level : \alpha=0.05

The test statistic in a two-tailed test is z = -1.63.

The P-value for two-tailed test : 2P(Z>|z|)=2P(Z>|-1.63|)=0.1031 [By p-value table]

Since, 0.1031 > 0.05

i.e. p-value > \alpha

So, we fail to reject the null hypothesis. [When p<\alpha then we reject null hypothesis  ]

So, the correct option is a. 0.1031; fail to reject the null hypothesis.

8 0
3 years ago
A rectangular prism has a length of 5 cm, a width of
kobusy [5.1K]
A rectangular prism has a length of 5 cm, a width of
2.
cm, and a height of 1 cm
cm.
Which expressions can be used to find the volume of the prism?
Select each correct answer.
5 • 2 1/2
12 1/2 • 1 1/2
1 1/2 (5 + 2 1/2)
1/2 (12 1/2 • 1 1/2)


8 0
3 years ago
Read 2 more answers
S is the midpoint of RT. If RS = 7x-4 and ST = 5x+10, what is ST
Natali [406]

Answer: 45

Step-by-step explanation:

RS=ST\\\\7x-4=5x+10\\\\2x-4=10\\\\2x=14\\\\x=7\\\\\implies ST=5(7)+10=45

7 0
1 year ago
What is the midpoint of the vertical line segment graphed below? (2, 4), (2, -9) A. (4, -5). B. (2, -5/2). C. (2, -5). D. (4, 5/
omeli [17]

Answer:

B. (2, -\frac{5}{2})

Step-by-step explanation:

Given:

(2, 4) and (2, -9)

Required:

Midpoint of the vertical line with the above endpoints

Solution:

Apply the midpoint formula, which is:

M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})

Where,

(2, 4) = (x_1, y_1)

(2, -9) = (x_2, y_2)

Plug in the values into the equation:

M(\frac{2 + 2}{2}, \frac{4 + (-9)}{2})

M(\frac{4}{2}, \frac{-5}{2})

M(2, -\frac{5}{2})

8 0
3 years ago
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