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3 years ago

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Tim mixed 2 parts vinegar and 5 parts water to make a cleaning liquid. How many parts of vinegar did Tim mix with each part of w

ater?
A) 1/10
B) 1/5
C) 2/7
D) 2/5

2 answers:

meriva3 years ago

6 0

Tim mixed 2 parts vinegar and 5 parts water to make a cleaning liquid. How many parts of vinegar did Tim mix with each part of water?

D) 2/5

lbvjy [14]3 years ago

3 0

Maybe c it schools be

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510 boys worked for 12 days and produced 12,000 mat how many boys are needed to produce 10,000 mat in 10 days.

Taya2010 [7]

Answer:

1000 Boys

Step-by-step explanation:

Substitute 510 and Keep on trying numbers untill you reach 10,000 mats in 10 days.

3 0

3 years ago

Lexi has already jarred 19 liters of jam and will jar an additional 9 liters of jam every day. How many days does lexi need to s

Marysya12 [62]

Answer:

Lexi need to spend <u>6 days</u> to fill the jar with 73 liters of jam.

Step-by-step explanation:

Given:

amount of jam already had in jar =19 liters

amount of jam added each day in jar = 9 liters.

Total number of jam to be needed in jar = 73 liters.

We need to find the number of days required to jar 73 liters.

Solution:

To find the number of days required to jar 73 liters will be equal to amount of jam already had in jar plus amount of jam added each day in jar multiplied by number of days.

framing in equation form we get;

$19+9x= 73$

Subtracting both side by 19 we get;

$19+9x-19=73-19\\\\9x = 54$

Dividing both side by 9 we get;

$\frac{9x}{9}=\frac{54}{9}\\\\x=6\ days$

Hence Lexi need to spend <u>6 days</u> to fill the jar with 73 liters of jam.

5 0

3 years ago

Sara is taking a test made up of multiple-choice and open-ended questions. The multiple-choice questions have a value of 4 point

9966 [12]

Answer:

To find this, you must find the total number of points Sara has scored already. She has answered 10 multiple choice questions which are 4 points each. This means that Sara has scored 40 points so far.

If Sara wants to score at least 70 points, she needs to score at least 30 more points. To find how many open-ended questions she needs to answer, you need to divide the remaining number of points by the number of points an open-ended question is worth. The number we get will be x.

30/5 = 6

This means Sara must complete at least 6 open-ended questions to score 70. Now, all we have to do is figure out which inequality sign to use. Since Sara wants to score more than 70 points, it should be the "greater than" sign.

Your answer is: x>6

Step-by-step explanation:

8 0

3 years ago

Romashka [77]

9.42 Units

Step-by-step explanation:

Since the angle shown is 90 degrees we can deduce that the rest of the arc is 270 degrees therefore we can make the fraction:

270/360; 360 being the total angle measurement of a circle

270/360 simplifies to 3/4

The fraction represents how much of the circle that arc covers

Now we have to find the circumference which would be

2(3.14)r

r = 2 therefore: 2(3.14)2 = 12.56

Now that we have the circumference of the WHOLE circle we multiply it by 3/4 to find out the arc length

Which gives us 9.42

8 0

3 years ago

Which statement describes how the graph of the given polynomial would change if the term -3x6 is adde

Lesechka [4]

Given:

Polynomial is $2x^6+9x^5-7x^3-1$ .

Term $-3x^6$ is added in the given polynomial.

To find:

The end behavior of new polynomial.

Solution:

Let, $P(x)=2x^6+9x^5-7x^3-1$ .

New polynomial is

$f(x)=2x^6+9x^5-7x^3-1+(-3x^6)$

$f(x)=(2x^6-3x^6)+9x^5-7x^3-1$

$f(x)=-x^6+9x^5-7x^3-1$

Highest power of x is 6 which is even and leading coefficient is negative. So,

$f(x)\to -\infty\text{ as }x\to -\infty$

$f(x)\to -\infty\text{ as }x\to \infty$

Both ends of the graph will approach negative infinity.

Therefore, the correct option is A.

5 0

3 years ago