Find the area of a trapezoid with bases of 15cm and 6 cm and a height of 1/5cm

Answers

Answer 1

Answer: area = 0.5 x (a+b) x h

= 0.5 x (15cm + 6cm) x 1/5cm
= 0.1 x 21cm
=2.1cm^2 (2.1 centimeters squared)

Answer 2

Answer: area is 0.5 x h x(a+b)

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Jack wants to know how many families in his small neighborhood of 60 homes would help organize a neighborhood fund-raising party. He put all the addresses in a bag and drew a random sample of 30 addresses. He then asked those families if they would help organize the fund-raising party. He found that 12% of the families would help organize the party. He claims that 12% of the neighborhood families would be expected to help organize the party. Is this a valid inference? No, this is not a valid inference because he asked only 30 families No, this is not a valid inference because he did not take a random sample of the neighborhood Yes, this is a valid inference because he took a random sample of the neighborhood Yes, this is a valid inference because the 30 families speak for the whole neighborhood
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grant starteda marathon at 8:00 A.M. he took 4 hours 49 minutes to complete the marathon. when did he crosd the finish line

Answers

If he starts at 8:00 AM and you start counting up by 1 hour at a time...

8:00 - 9:00 = 1 hour
9:00 - 10:00 = 1 hour
10:00 - 11:00 = 1 hour
11:00 - 12:00 = 1 hour

So far that is 4 hours that have passed and we are up to 12:00. Now remember, when we reach 12:00 we switch from AM to PM (that's 12 noon).

We only have 49 minutes left so now we just add that in

12:49 PM is when he crossed the finish line.

Three examples of decimals that have a 5 in the hundredths place

Answers

17.951
0.25
2.75 here are your three examples

1.75
0.85
1.3578...here are three i hope it helps

Which statement best describes the area of the triangle shown below? A coordinate grid is shown with a triangle.. The base is 4 units, and the height is 4 units. A It is one-half the area of a rectangle of length 4 units and width 2 units.B.It is one-half the area of a square of side length 4 units.
C.It is twice the area of a rectangle of length 4 units and width 2 units.
D.It is twice the area of a square of side length 4 units.

Answers

Answer:

The answer is B.It is one-half the area of a square of side length 4 units.

Step-by-step explanation:

Given a coordinate grid shown with triangle of measurements with base 4 units and height also 4 units.

We have to find the area of triangle which can be calculated as

⇒ $Area=(1)/(2) * base * height$

= $(1)/(2)* 4 * 4=8squareunits$

we have to choose the statement describes the area of the triangle evaluate above.

Option A: Not matched ∵equals to $(1)/(2)$ [area of rectangle of length 4 units width 2 units]= $(1)/(2)* 4 * 2=4 sq units$

Option B: matched : given one-half the area of a square of side length 4 units.

⇒ $(1)/(2)* 4 * 4=8 squnits$

Option C : Not matched : It is twice the area of a rectangle of length 4 units and width 2 units

⇒ $2* length* breadth=2* 4* 2=16 sq units$

Option 4 : Not matched : It is twice the area of a square of side length 4 units.

⇒ $2* 4 * 4=32 squnits$

So, the correct option is B. It is one-half the area of a square of side length 4 units.

Answer:The answer is B.

I just took the test and got it right!!

Step-by-step explanation:

Have a great day guys!

Need help with math

Answers

Answer:

what do you need help with?

Step-by-step explanation:

Answer:

3x4x9x21=

Step-by-step explanation:

Jillian’s school is selling tickets for a play. The tickets cost $10.50 for adults and $3.75 for students. The ticket sales for opening night totaled $2071.50. The equation , where a is the number of adult tickets sold and b is the number of student tickets sold, can be used to find the number of adult and student tickets. If 82 students attended, how may adult tickets were sold?

Answers

168 adult tickets were sold for the school play.

200 reduced by 2 times my age equals 16

Answers

Ok, so since it doesn't give a value for "my age", we'll call it x. So the sentence translates into an equation...

200 reduced means... 200 -
by 2 times my age means... 2x
equals 16 means... = 16

200 - 2x = 16

Now let's solve for x to find "my age"

First subtract 200 from each side to begin to isolate x

-2x = -184

Divide each side by -2 to isolate x

x = -184/-2
x = 92

I'm 92 years old!

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