4 years ago

Awnser all of them pls

Mathematics

2 answers:

Over [174]4 years ago

8 0

First is b second is c and three is d

kipiarov [429]4 years ago

4 0

First is false, second true, third is true , last is false. Wording is messed up on some gives the hint! Page 1<<<

13 is D no here << second page

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A. 17.5<br> b. 20<br> c. 22.5<br> d. 25

serg [7]

Answer:

x = 22.5

Step-by-step explanation:

∠2 and ∠7 are known as alternate exterior angles. This makes them equal to each other.

100 = 4x + 10

90 = 4x

22.5 = x

8 0

3 years ago

The expected lifetime of a television is 18 years with a standard deviation of 4. Use Chebychev's inequality to estimate the pro

My name is Ann [436]

Answer E

Step-by-step explanation:

use Caculator very easy please dont ask

6 0

3 years ago

Give y=3x-5/x+6 Calculate y' and check the sign

jenyasd209 [6]

Answer:

x = -6

-18+4y=0 => 4y=18 =>y=18/4=9/2

Y=5

3x+20=0 => x=3x= -20=> x= -20/3

Step-by-step explanation:

8 0

3 years ago

For what real value of b is the expression (1/2)b^2 + 5b - 3 minimized?

Margaret [11]

Answer:

(1/2)b^2 + 5b - 3

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

There are total of 63 bikes on a store.if the ratio of blue to red bikes is 4 to 5, how many of the bikes are blue

Triss [41]

4+5=9
63/9=7
7*4=28
7*5=35
If u add 28 and 35 the answer will be 63. I multiply the 4(blue bikes) to 7 and it equals to 28, so there are 28 blue bikes

8 0

4 years ago