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Aleksandr-060686 [28]
3 years ago
8

Please help asap 30 pts

Mathematics
1 answer:
kupik [55]3 years ago
5 0

Answer:

  last choice d

Step-by-step explanation:

4| x - 3| - 8 = 8

| x-3| - 2 = 2

| x-3| = 4      we have two cases:

(a) x - 3 = 4     for x >= 3

x=7

(b) -1( x-3 ) =4  for x < 3

x = -1



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A set of average city temperatures in May are normally distributed with a mean of 20.66 ^\circ \text{C}20.66
Angelina_Jolie [31]

Answer:

0.9962

Step-by-step explanation:

The z score shows the number of standard deviations by which the raw score is above or below the mean. If the raw score is above the mean then the z score is positive but if the raw score is less than the mean then the raw score is negative. The z score is given by:

z=\frac{x-\mu}{\sigma}\\ \\\mu=mean,\sigma=standard\ deviation, x=raw\ score

μ = 20.66°C, σ = 2°C

For x < Singapore temperature, i.e. x < 26

z=\frac{x-\mu}{\sigma} =\frac{26-20.66}{2}=2.67

From the normal distribution table P(x < 26) = P(z < 2.67) = 0.9962

4 0
3 years ago
What are the zeros of the graphed function y = (x + 3)(x + 5)?
tensa zangetsu [6.8K]
Y=(x+3)(x+5)
0=(x+3)(x+5)
0=x+3
Subtract three on both sides
-3=x
0=x+5
Subtract five on both sides
-5=x
So, -3 and -5 are the zeros of the graphed function.
Hope I helped!
5 0
3 years ago
Read 2 more answers
Please help ASAP Due very soon
MissTica

Answer:

y = -3/4 + 4

Step-by-step explanation:

use rise over run to find slope

6 0
3 years ago
How many cubes with side lengths of 1/2 cm does it take to fill up the prism
ELEN [110]

24 cubes can filled up the prism

Solution:

The image of the question is attached below.

Given data:

Length of the prism = 2 cm

Breadth of the prism = 1 cm

Height of the prism = $\frac{3}{2} cm

Volume of the prism = length × breadth × height

                                   $=2\times 1\times \frac{3}{2}

                                   =3 cubic cm

Volume of the prism = 3 cubic cm

Side length of the cube = $\frac{1}{2} cm

Volume of the cube = side × side × side

                                 $=\left(\frac{1}{2}\right)^{3}

                                 $=\frac{1}{8} cubic cm

Volume of the cube =  \frac{1}{8} cm

$\text{Number of cubes} =\frac{\text{Volume of the prism}}{\text{Volume of the cube}}

                          $=\frac{3}{\frac{1}{8} }

                          =3\times8

                          =24

Number of cubes = 24

Hence 24 cubes can filled up the prism.

4 0
3 years ago
3 and 4 pls help me with these math problems......
Triss [41]
3) Equation is y=10x
x. y
1. 10
2. 20
3. 30
4. 40
I'm sorry I don't get number 4
3 0
3 years ago
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