3 years ago

Please answer correctly !!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

3 0

What are the choices

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Six out of eight dentists recommend crust toothpaste in a group of 156 dentists how many of them would recommend crest

sashaice [31]

Answer:

117

Step-by-step explanation:

crest : 6 x19.5=117

no creast : 2x19.5=39

whole : 8/156=19.5

7 0

3 years ago

In an English test, right students score 14,13,17,11,19,20,14,and 15. What is the range of the first 6 even numbers greater than

Evgesh-ka [11]

Answer:

Concept & Calculation of Range .

Step-by-step explanation:

11 , 13 , 14 , 14 , 15, 17 , 19 , 20

Even numbers greater than 11 = 14 , 14 , 20

Range = Highest Value - Lowest Value = 20 - 14 = 6

Entire data range = 20 - 11 = 9

Range of all numbers greater than 11 (ie 13 , 14 , 14 , 15, 17 , 19 , 20) = 20 - 13 = 7

6 0

3 years ago

Verify: sec^2x+tan^2x=2sec^2x-1

Jlenok [28]

Answer:

see explanation

Step-by-step explanation:

Using the identity

tan²x = sec²x - 1

Consider left side

sec²x + tan²x

= sec²x + sec²x - 1

= 2sec²x - 1

= right side , thus verified

8 0

3 years ago

If y varies directly as x, and y is 16 when x is 4, when y= 24 what is the value of x?

sergejj [24]

Answer:

x = 6 possibly

Step-by-step explanation:

I am just an algebra student, but if I am correct I would appreciate a crown.

16/4 is 4, so i assumed that was the geometric pattern, so i divided 24 by 4 and got 6.

Hoped this helped.

6 0

4 years ago

Graph the system and name three ordered pair solutions. y < 4 and x < 1

miskamm [114]

The 2nd part:
( -2,-1)
(0,3)
( -4,2)

6 0

3 years ago