1.How do you solve an area of a triangle by the base and height?2.What is the area of a triangle that has a base of 15 1/4 inch. And a height of 18 inch

Answers

Answer 1
Answer: 1. ANSWER: You can solve an area of a triangle by the base and height by using the formula: A=1/2*b*h, where A= Area, b= base, and h=height.
2. ANSWER: First, use the formula: A=1/*b*h. Then substitute those variables to get A=1/2*15.25*18. Then, solve to find the area. 15.25*18=274.5. 1/2*274.5=137.25. 
Therefore, the answer is Area=137.25 inches squared!
I HOPE THIS HELPED YOU!!!!



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NEED HELP ASAP A survey was conducted with high school students ineach grade to see how many prefer math or science.
Some of the data are shown below.
Which statement is true about the joint frequencies in
this table?
40
11 | 12 |
Total
O Twenty-three 9th graders and fifteen 11th graders
prefer math.
O Fourteen 11th graders prefer math and eight 10th
graders prefer science.
O Thirty-five 12th graders prefer math and nine 10th
graders prefer science.
Twenty-three 9th graders and thirty-two 12th
graders prefer math.
Math
18
90
Science 40
15
95
Total
63
26
29
67
185​

Answers

Question:

a. Twenty-three ninth graders and fifteen eleventh graders prefer math.

b. Fourteen eleventh graders prefer math and eight tenth graders prefer English.

c. Thirty-five twelfth graders prefer math and nine tenth graders prefer English.

d. Twenty-three ninth graders and thirty-five twelfth graders prefer math.

e. Eighteen tenth graders prefer English and fourteen eleventh graders prefer math.

Answer:

Therefore, the correct options are;

b. and d.

Step-by-step explanation:

Here we have a table with blank boxes and totals from which we can fill the boxes;

For the 12th graders, we have a total of 67 pupils with 32 preferring English, therefore the number of the 12th graders that prefer math is 67 - 32 = 35 pupils

Similarly for the 11th graders we have total pupils = 29 with 15 preferring English, therefore the number of the 11th graders that prefer math is 29 - 15 = 14 pupils

Also for the 10th graders we have total pupils = 26 with 18 preferring math, therefore the number of the 11th graders that prefer English is 26 - 18 = 8 pupils

Finally for the 9th graders, we have a total of 63 pupils with 40 preferring English, therefore the number of the 9th graders that prefer math is 63 - 40 = 23 pupils

From the above, the correct option is

Answer:

b only

Step-by-step explanation:

Are z³ and 3z equivelent?explain​

Answers

Yes because you are multiplying 3 z’s and also 3z’s

Seme
1. Solve for x: 2x + 4 > 8x – 8

Answers

Answer:

Step-by-step explanation:

hello :

2x + 4 > 8x – 8  means : 2x-8x > -8-4

-6x > -12

now multiply by -1  : 6x < 12

x < 12/6

x < 2

miss Traynor class is taking a field trip to the zoo. the trip will cost $26 for each student. there 22 student in her class. round each factor to estimate the total cost of the students field trip

Answers

$60
.....................................................................................
$26 rounded to the nearest number is $30. $22 is rounded to the nearest number is $20.
$30 times $20= $60 in all

What is y in 5/6y=12

Answers

juss do the opposite. 
12 ÷ 5/6 = 72/5
sooo then you juss plug that into y.
5/6 * 72/5 = 12 :)

The surface area of a right triangular prism is 228 square inches. The base is a right triangle with a base height of 6 inches and a base length of 8 inches. The length of the third side of the bae is 10 inches. Find the height of the prism.Please help meeeee!!!!!!

Answers

Answer:

The height of right triangular prism is 7.5 in.

Step-by-step explanation:

The base is a right triangle with a base height of 6 inches and a base length of 8 inches. The length of the third side of the base is 10 inches.

The area of a triangle is

A=(1)/(2)\tims base* height

A_1=(1)/(2)\tims 6* 8=24

Let the height of the prism be h.

Area of a rectangle is

A=length* width

A_2=6* h=6h

A_3=8* h=8h

A_4=10* h=10h

The surface area of a right triangular prism is

A=2* \text{Area of base}+\text{Area of three rectangles}

A=2* (A_1)+A_2+A_3+A_4

A=2* (24)+6h+8h+10h

A=48+24h

The surface area of a right triangular prism is 228 square inches.

228=48+24h

180=24h

h=7.5

Therefore the height of right triangular prism is 7.5 in.

look\ at\ the\ picture\n\nArea=228\ in^2\n\nArea=2A_1+A_2+A_3+A_4\n\n2A_1=2\cdot(6\cdot8)/(2)=48\ (in^2)\n\nA_2=8H\n\nA_3=6H\n\nA_4=10H

48+8H+6H+10H=228\n\n48+24H=228\ \ \ /-48\n\n24H=180\ \ \ /:24\n\nH=7.5\ (in)