What is 1,395 rounded to the nearest interer? 99

Answers

Answer 1
Answer: If you meant integer, then the correct answer is 1,395. An integer is a whole number, which means that the first integer place is the ones place. Since the number is 1,395, it is a whole number, so the digit in the tenths place, to the right of the ones place, is 0. Since 0 is less than one, we keep the ones place the same, so 1,395 remains 1,395.

Hope this helps!

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Marcus is selling lemonade and peanuts. Each cup of lemonade costs $0.75, and each bag of peanuts costs $0.35. On Saturday, Marcusvsold 5 more cups of lemonade than bags peanuts. He earned $7.05. How many cups of lemonade did Marcus sell on Saturday rc

Answers

Marcus is selling lemonade and peanuts.
Let X = lemonade
Let Y = peanuts

On Saturday, Marcus sold 5 more cups of lemonade than bags of peanuts
So, X = Y + 5 and he earned 7.05

Forming the equation.
[(Y+5)*0.75] + (Y*0.35) = 7.05
0.75Y + 3.75 + 0.35Y = 7.05
1.1Y = 7.05 - 3.75
1.1Y = 3.3
Y = 3

So the number of cups of lemonade is Y + 5 = 3 + 5 = 8
So there are 8 cups.

A sprinkler mounted on the ground sends out a jet of water at a 30o angle to the horizontal. The water leaves the nozzle at a speed of 12 m/s. (a) How far does the water travel before it hits the ground?

Answers

Answer:

12.7m

Step-by-step explanation:

The equation for motion to be used to find how far the water travels is

xf = xi + Vix(t) + 1/2axt^2

xf = 0 + ViCos α(t) + 0

xf = ViCosα(t)

xf = 12 Cos 30°(t)

xf = (6√3)t

To find the total times we will use the vertical displacement equation

yf = yi + Viy(t) + 1/2ayt^2

0 = 0 + ViSinα(t) + (1/2 * (-9.8)t^2)

0 = 12Sin30°(t) - 4.9t^2

4.9t^2 = 12Sin30°(t)

4.9t^2 = 6t

Divide through by t

4.9t = 6

t = 6/4.9

t = 1.22secs

Put t = 1.22 into (6√3)t

xf = 6√3 * 1.22

xf = 12.7m

Explain how you can use base ten block to find 2.16÷3

Answers

You can use base ten blocks to find 2.16/ 3 by using 7 base ten blocks and 2 base one blocks.
you can take two hundreds blocks and then 16 tenths then just divide.

Let A = {10, 20, 30, 40, 50, 60} and B = {10, 40, 60}. What is A ∩ B?{10, 40}
{40, 60}
{10, 40, 60}
{10, 20, 30, 40, 50, 60}

Answers

this means common members {10,40,60}

Answer:

The A ∩ B is  {10, 40 ,60} .

Step-by-step explanation:

As given in the question

A = {10, 20, 30, 40, 50, 60}

B = {10, 40, 60}

The intersection A ∩ B of two sets A and B is represented the set that contains all elements of A that also belong to B .

Thus the A ∩ B becomes

A ∩ B = {10, 40 ,60}

Therefore the A ∩ B is  {10, 40 ,60} .


At the city museum, child admission is $5.40 and adult admission is $8.70 . On Friday, 170 tickets were sold for a total sales of $1224.90 . How many adult tickets were sold that day?

Answers

x=number of adult tickets
y=number of children tickets.
we can suggest this system of equations:

x+y=170
8.7x+5.4y=1224.90

We can solve this system of equations by substitution method:
x=170-y

8.7(170 - y)+5.4 y=1224.90
1479-8.7y+5.4y=1224.90
-3.3 y=1224.90-1479
-3.3 y=-254.1
y=(-254.1) /(-3.3)
y=77

x=170-y
x=170-77
x=93

Answer:93 adult tickts were sold that day.

Simplify the expression

Answers

the answer is option c

Answer: A

Step-by-step explanation: