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Evgen [1.6K]
4 years ago
9

Find the volume of the triangular prism.

Mathematics
1 answer:
goldfiish [28.3K]4 years ago
5 0

Answer:

V = 31.5 in ^3

Step-by-step explanation:

The volume is Bh

The base is the triangle

B = 1/2 (7) *2

B = 7 in^2

Now find the volume

V = 7* 4.5

V = 31.5 in ^3

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Geomtry plz help me 15 pointz
nikitadnepr [17]

Answer:

m∠R=76°

Step-by-step explanation:

∠STR=∠RST=(2x+2)° (base angles of isos triangle)

2(2x+2)+(3x+1)=180 (angle sum of triangle)

      4x+4+3x+1=180

               7x+5=180

                    7x=180-5

                        =175

                      x=175÷7

                        =25

Hence, m∠R = (3x+1)°

                     = [3(25)+1]°

                     = (75+1)°

                     = 76°

7 0
3 years ago
Read 2 more answers
1.4x + 1.2x - 3.8 = -9​
sashaice [31]
First, to make the equation easier to read, you want to add the x’s together. you should then get 2.6x-3.8=-9. then, you want to add the 3.8 to both sides, to make the x stand alone. you should end up with 2.6x=-5.2. to find x, you then want to divide both sides by 2.6. your final answer after dividing should be x=-2
4 0
3 years ago
Please help plsssssss
tamaranim1 [39]

Answer:

No

Step-by-step explanation:

The sum of two sides of any triangle must be greater than the remaining side.

12+6>4

18>4

12+4>6

16>6

6+4<12

10<12

^This one doesn't work^

3 0
3 years ago
Read 2 more answers
Write the systems of equations from the table below and find the solution?
Alecsey [184]

The system of equations is y = 4x - 3 and y = -1/3x + 4 and the solution is (21/13, 45/13)

<h3>How to determine the system of equations?</h3>

From the question, we have the table of values as the parameters that can be used in our computation:

From the table, we have

<u>Table 1</u>

(x, y) = (0, -3) and (4, 13)

A linear equation is represented as

y = mx + c

Where

Slope = m

c = y when x = 0

This means that

c = -3

So, we have

y = mx - 3

The point (4, 13) implies that

13 = m * 4 - 3

So, we have

4m = 16

m = 4

So, the equation is

y = 4x - 3

<u>Table 2</u>

(x, y) = (0, 4) and (4, 6)

A linear equation is represented as

y = mx + c

This means that

c = 4

So, we have

y = mx + 4

The point (4, 6) implies that

6 = m * 4 + 4

So, we have

4m = -2

m = -1/3

So, the equation is

y = -1/3x + 4

Substitute y = -1/3x + 4 in y = 4x - 3

-1/3x + 4 = 4x - 3

So, we have

-x + 12 = 12x - 9

Evaluate the like terms

13x = 21

Divide

x = 21/13

y = -1/3x + 4 implies that

y = -1/3 x 21/13 + 4

So, we have

y = -7/13 + 4

Evaluate

y = 45/13

So, the solution is (21/13, 45/13)

Read more about system of equations at

brainly.com/question/13729904

#SPJ1

5 0
2 years ago
Debbie found a suitcase that was originally 129 but now is on sale for 30% off. If sales tax is 8.75%, what is her final cost?
Marizza181 [45]

Step-by-step explanation:

To find the answer we first multiply 129 by 0.7 since the price descresed 30 percent. each percent is equal to 0.01.

129 * 0.7 = 90.3

Then we multiply 90.3 by 1.0875 since that is the sales tax

90.3 * 1.0875 = 98.2

so the cost is 98.2

6 0
3 years ago
Read 2 more answers
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