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4 years ago

What is the area of ΔABC? Round to the nearest tenth of a square unit.

Mathematics

2 answers:

saveliy_v [14]4 years ago

5 0

Answer:

Step-by-step explanation:

Westkost [7]4 years ago

3 0

Draw a perpendicular segment from point C to the midpoint of AB. Using the trig sine function sin 80 = x/6 which gives 5.91 for the perpendicular segment. Using the formula A=1/2bh, A= 1/2 x5.91x2sqrt 2 A= 8.4

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3x + 8 = -x + 20 What is x?

g100num [7]

First, lets take all the x values on one side.

3x + x + 8 = -x + x + 20
4x + 8 = 20

Now, lets put the numbers on the other side.

4x + 8 - 8 = 20 - 8
4x = 12
x = 3

Hope this helps!

5 0

4 years ago

Read 2 more answers

The mean of seven positive integers is 16. When the smallest of these seven integers is removed, the sum of the remaining six in

VashaNatasha [74]

Answer: The value of the integer that was removed = 4

Step-by-step explanation:

Sum of n values= Mean x n

Given: n = 7 , Mean = 16

Let x= integer removed.

Sum of remaining 6 integers = 6

$\Rightarrow\ x+108 = 16\times7\\\\\Rihghtarrow\ x+108= 112\\\\\Rightarrow\ x=112-108\\\\\Rightarrow\ x= 4$

Hence, the value of the integer that was removed = 4

8 0

3 years ago

Jeremy spent $26.50 for 5.5lb. What would be the price of 1 pound of dog food

NikAS [45]

Answer:

$4.81

Step-by-step explanation:

4 0

3 years ago

How does a compass and straightedge help you make a triangle

trasher [3.6K]

Answer:

A compass and straightedge allow for a more accurate rendition of a triangle, especially one needed to be specific measures

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

3x -7= -5(x+3); x= -1

Inessa [10]

Answer:

-10

Step-by-step explanation:

-1+3= -2

-2 times -5= -10

3 times -1= -3

-3 -7=-10

3 0

4 years ago