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3 years ago

2 ¾ + 4 1/16 this one got very hard for me anyone know this?

Mathematics

2 answers:

torisob [31]3 years ago

5 0

Answer:

109/16

Step-by-step explanation:

change the mixed fractions to proper fractions

11/4 + 65/16

lcm = 16

(4(11) + 65 )/ 16

(44 + 65)/16

109/16

liraira [26]3 years ago

4 0

Answer:

6 13/16

Step-by-step explanation:

Make it a fraction for it to be easier to solve.

11/4 + 65/16

The LCM is 16

44/16+65/16

109/16

6 13/16

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What is the probability that a randomly selected Californian age 18 to 64 exercises for at least 150 minutes per week? Illustrat

Pavlova-9 [17]

Answer:

Step-by-step explanation:

This is a normal distribution question with

Mean = 153

Standard Deviation= 10

Since we know that score

$Z_{score}=\frac{x- \mu}{ \sigma }$

P(x > 150.0)=?

The z-score at x = 150.0 is,

$Z = \frac{150-153}{10} \\\\Z=-0.3$

This implies that

P(x > 150.0) = P(z > -0.3)

= 1 - P(z < -0.3) = 1 - 0.3820885778110474

P(x > 150) = 0.6179

8 0

3 years ago

Which equation it equivalent to 3r=78+14

bezimeni [28]

Answer:

A. $3r-14=78$

Step-by-step explanation:

We are given the equation

$3r=78+14$

If we subtract 14 from each side we get

$3r=78+14\\\\3r-14=78$

This is what is shown in answer A

3 0

4 years ago

Rewrite the range of each company’s wireless access devices in feet using scientific notation. (5,280 feet =1 mile)

Sauron [17]

Answer:

Ivan’s range: 2,640 = 2.64 x 10^3 ft

Winnies
range: (2.5)5280 = 13200 = 1.32 x 10^4 ft

Winnies WiFi has the greater range

3 0

3 years ago

Read 2 more answers

PLEASE HELP ME please!

Delicious77 [7]

Answer:

x < -1

so its C

Step-by-step explanation:

3 0

3 years ago

Please help with this<br>

tankabanditka [31]

Answer:

x=3

Step-by-step explanation:

y= -2

4x-3y=18

4x-3(-2)=18

4x-(-6)=18

4x+6=18

4x+6-6=18-6

4x=12

$\frac{4x}{4} = \frac{12}{4}$

x=3

If its helpful ❤❤❤

THANK YOU

6 0

3 years ago