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mr Goodwill [35]
3 years ago
9

Plz answer the question

Mathematics
2 answers:
IgorC [24]3 years ago
8 0
1/6 of 30 is 5 questions. Combine 1/5 of the questions with it which is another 6 so she got 11 questions wrong. The answer is 19
Bumek [7]3 years ago
3 0
24 were of the questione were correct
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Randall Racer runs the 100 meter dash in an average time of 10.4 seconds with a standard deviation of 0.1 seconds. If Randall's
Naddik [55]

Answer:

The answer is 0.68 seconds.

Step-by-step explanation:

Distance  -100 meter

Average time - 1 0.4 seconds

Standard deviation -  0.1 seconds.

If Randall's times are normally distributed, we have a 99.7% expectation that his finishing time for his next race will be greater than 0.68 seconds.

Learn more about distance:brainly.com/question/15172156

#SPJ1

4 0
2 years ago
If each member of a family of four were to drink the entire contents of a 6 fluid ounce juice box each dsy during lunch, what wo
adelina 88 [10]

Answer:

84

Step-by-step explanation:

6 times 7 is 42

42 times 2 is 84

5 0
3 years ago
What trig ratio would you use to solve for x?<br><br> O Cosine<br> O Tangent<br> O Sine
Varvara68 [4.7K]

Answer: Cosine

This is because cosine involves the adjacent over hypotenuse

cos(angle) = adjacent/hypotenuse

7 0
3 years ago
According to a study, about 70% of all single men would welcome a woman taking the initiative in asking for a date. a random sam
Luden [163]

Answer:

25%

Step-by-step explanation:

There is 20 men total, at least 5 will say no .

So you get a fraction : 5/20.

You  divide both the nominator and denominator by 5 (bc 5 goes into 20).

So you end up with 1/4.

Convert 1/4 to a percent and you get .25 or 25%.

Hope this helps ((:

6 0
3 years ago
1.6y+y-4/15y+1 1/6y=2 1/3
Advocard [28]

<u>1.6y+y-4/15y+7/6y=21/3</u>

<u></u>

<u>We move all terms to the left:</u>

<u></u>

<u>1.6y+y-4/15y+7/6y-(21/3)=0</u>

<u></u>

<u></u>

<u>Domain of the equation: 15y!=0</u>

<u></u>

<u>y!=0/15</u>

<u></u>

<u>y!=0</u>

<u></u>

<u>y∈R</u>

<u>Domain of the equation: 6y!=0</u>

<u></u>

<u>y!=0/6</u>

<u></u>

<u>y!=0</u>

<u></u>

<u>y∈R</u>

<u></u>

<u></u>

<u>We add all the numbers together, and all the variables</u>

<u></u>

<u>1.6y+y-4/15y+7/6y-7=0</u>

<u></u>

<u>We add all the numbers together, and all the variables</u>

<u></u>

<u>2.6y-4/15y+7/6y-7=0</u>

<u></u>

<u>We calculate fractions</u>

<u></u>

<u></u>

<u>2.6y+(-24y)/90y^2+105y/90y^2-7=0</u>

<u></u>

<u>We multiply all the terms by the denominator</u>

<u></u>

<u></u>

<u>(2.6y)*90y^2+(-24y)+105y-7*90y^2=0</u>

<u></u>

<u>We add all the numbers together, and all the variables</u>

<u></u>

<u>(+2.6y)*90y^2+(-24y)+105y-7*90y^2=0</u>

<u></u>

<u>We add all the numbers together, and all the variables</u>

<u></u>

<u>105y+(+2.6y)*90y^2+(-24y)-7*90y^2=0</u>

<u></u>

<u>Wy multiply elements</u>

<u></u>

<u>-630y^2+105y+(+2.6y)*90y^2+(-24y)=0</u>

<u></u>

<u>We get rid of parentheses</u>

<u></u>

<u>-630y^2+105y+(+2.6y)*90y^2-24y=0</u>

<u></u>

<u>We add all the numbers together, and all the variables</u>

<u></u>

<u>-630y^2+81y+(+2.6y)*90y^2=0</u>

<u></u>

<u>Hoped this helped :)</u>

5 0
3 years ago
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