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jonny [76]
3 years ago
10

6 ÷ 2 · 6 + 1 = 3/7 1.5 19

Mathematics
2 answers:
AysviL [449]3 years ago
8 0

Simplify 6 ÷ 2 to 3

3 × 6 + 1

Simplify 3 × 6 to 18

18 + 1

Simplify

<u>19</u>

Vitek1552 [10]3 years ago
7 0
3*6+1
18+1= 19
the answer to the question
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A new cream was developed to reduce the irritation caused by poison ivy. To test the effectiveness, researchers placed an ad onl
andreyandreev [35.5K]

Answer:

B: Yes, the participants are grouped by sun exposure, and then both treatments are randomly assigned within each group.

Step-by-step explanation:

Randomized block design is one in which the experimental units are categorized into groups which we call blocks. Thereafter, treatments will be randomly allocated to the experimental units inside each of the blocks.

Now, from the question, we can see that they were grouped in Blocks according to their outdoor activity which is degree of exposure to the sun. Thereafter the individual groups are randomly assigned treatments.

Thus, Option B is correct.

7 0
2 years ago
Read 2 more answers
Simplify these expressions<br> a) 5 x x<br> b) 6 xxxy<br> c) 2 xxx 3xy
Gennadij [26K]
5x^2
6x^3y
2x^3 3xy
^ means the little number above x eg x^3
4 0
3 years ago
Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min.
Amanda [17]
So j completed 6/7 of a lap
gabe has completed 2/9 lap
so
1 j lap=7 mins s o
7j
j=num of laps
1 g lap=9 mins so
9g
g=num of laps
then 6+j
and g+2

so
when will the times be equal
7j+6=9g+2
subtract 2 from both sides
7j+4=9g
divide both sides by 9
7/9j+4/9=g
so to get a whole number of laps, we must subsitute a number when it is multiplied by 7 then add 4, we get a multiplue of 9
so if j=2
7/9(2)+4/9=g=14/9+4/9=g=18/9=g=2
so josh and gabe must run 2 lap each because
6+(2 times 7)=2+(9 times 2)
6+14=2+18
20=20
true so

the answer is 2 laps
3 0
3 years ago
Read 2 more answers
How Do I solve this I am quite confused
Kazeer [188]

Answer:

$11,714

Step-by-step explanation:

C(x) = 0.7x² - 462x + 87,944

this is a quadratic equation that opens up

the vertex will be the minimum

From the quadratic formula the x coordinate of the vertex is

x = -b/2a

x = 462/(2 * 0.7)

x = 330

Plug in

c(330) = 0.7(330²) - 462(330) + 87,944

c(330) = 11,714

$11,714

5 0
3 years ago
If u would tell me this answer UR SOOOO NICE
Kryger [21]

Answer:

Yes

Step-by-step explanation:

Because since it tells you that x>7 and also it tells you if 7.1 is a solution. So what you need to do is plug in 7.1 instead of x and see if it's true or not. So is 7.1 greater than 7. Well yes it is and that makes it a solution. Hope this helps. Ask me any question if you need help with anything else. :)

8 0
3 years ago
Read 2 more answers
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