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schepotkina [342]
2 years ago
14

In a survey 7 out of 8 dentists recommend a ProTooth toothbrush. Based on this information, which can the toothbrush company pre

dict about its recommendations?
In a survey of 24 dentist, 18 of them will recommend a ProTooth toothbrush.
In a survey of 24 dentist, 18 of them will recommend a ProTooth toothbrush.

In a survey of 88 dentists, 70 of them will recommend a ProTooth toothbrush.
In a survey of 88 dentists, 70 of them will recommend a ProTooth toothbrush.

In a survey of 64 dentists, 56 of them will recommend a ProTooth toothbrush.
In a survey of 64 dentists, 56 of them will recommend a ProTooth toothbrush.

In a survey of 40 dentists, 33 of them will recommend a ProTooth toothbrush
Mathematics
1 answer:
prohojiy [21]2 years ago
5 0

Answer:

64 dentists, 56 of them will recommend

Step-by-step explanation:

I just continued to add 8 more dentists with there recommended outcome until it showed a matching prediction.

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A certain high school has 1,488 students. If you subtract the number of girls from boys you get 78. Let x be the number of boys
Dahasolnce [82]

Answer:

boys = 705

girls = 783

Step-by-step explanation:

We are to find the number of boys and girls in the school

the answer can be determined using simultaneous equation

x = boys

y = girls

y - x = 78  equation 1

y + x  = 1488 equation 2

subtract equation 1 from 2

2x = 1410

x = 1410/2 = 705

Substitute for x in equation 1

y - 705 = 78

y = 705 + 78 = 783

3 0
2 years ago
There are 26 third graders and 32 fourth graders going on a field trip. Each van can carry 10 students. How many cans are needed
iragen [17]

Answer:

26+32=10v

add numbers

58=10v

10v=58

divide both sides by 10

v=5.8

There will be 6 vans needed

58/6=9.6

There will be 10 students in four vans, and 9 students in two vans.

8 0
3 years ago
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horrorfan [7]

do you sell genius brain

7 0
2 years ago
F r e e points if you can answers these questions. Get 4 or the most question correct and ill mark brainliest.
gladu [14]

Answer: 11.Because she could of landed on someting

Step-by-step explanation:

8 0
3 years ago
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Completely Factoring<br> 3x2 – 10x – 8
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Answer: (x - 4) • (3x + 2)

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