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Rus_ich [418]
3 years ago
8

I need help with this plz !!!!!!

Mathematics
2 answers:
Alika [10]3 years ago
5 0
2nd one is the correct one I think
Aleks [24]3 years ago
4 0

Answer:

D.

Step-by-step explanation:

d

This inequality does not have ≤ nor ≥. This indicates that when the inequality is graphed on a number line, it will be an open circle.

Using this information, we can eliminate options A, B, and C.

This inequality also indicates that 'd' is less than 4; 4 is greater than 'd.'

Since 'd' is less than 4, the line would go toward the numbers less than 4.

You might be interested in
The lengths of pregnancies are normally distributed with a mean of 269269 days and a standard deviation of 1515 days. a. Find th
kati45 [8]

Answer:

a. 0.38%

b. 266.75 days

Step-by-step explanation:

We have the following data, mean (m) 269 and standard deviation (sd) 15, therefore:

a. The first thing is to calculate the number z:

z (x) = (x - m) / sd

z (309) = (309-269) / 15 = 2.67

When looking in the normal distribution table (attached), we have that at this value of z, the probability is:

P (z> 2.67), that is to say we must look in the table -2.67 and this value corresponds to 0.0038, that is to say 0.38%

b. Find the z-value with a left tail of 44%, i.e. 0.44. We look in the table for this value and what value of z corresponds.

invNorm (0.44) = -0.15

Find the corresponding number of days:

x = z * sd + m

we replace

d = -0.15 * 15 + 269 = 266.75 days

7 0
3 years ago
5x-2y ≤ 20 can you guys solve this.
Levart [38]

Your answer is y ≥ −10 + 5x/2
7 0
3 years ago
Read 2 more answers
1. Place these numbers in order from smallest to largest:
anyanavicka [17]

Answer:

Step-by-step explanation:

-3/8, - 3/4, - 3, - 2. 5, 1/4, 8/5 3.1, 6

6 0
3 years ago
Zach is 6 inches shorter than two times his cousin’s height, c. How tall is Zach? To see what Gabriel did wrong, consider that c
irakobra [83]

Answer:

74 inches

Step-by-step explanation:

If his cousin is 40 inches tall, and Zach is 6 inches less than twice his height, solve for 40*2-6, which is 74.

3 0
3 years ago
Jacques needs to convert the function f(x) = x2 − 6x + 14 to vertex form, f(x) = (x − h)2 + k, in order to find the minimum.
Anarel [89]

k = 5

the equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square

Since the coefficient of the x² term is 1 then

add/ subtract (half the coefficient of the x-term )² to x² - 6x

f(x) = x² + 2(- 3)x + 9 - 9 + 14 = (x - 3)² + 5 → k = 5


   

5 0
3 years ago
Read 2 more answers
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