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Ilya [14]
3 years ago
7

Name of this shape thanks

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
6 0

Answer:

pyramid shape

Step-by-step explanation: dont ask me why its pyramid shape

Natalka [10]3 years ago
3 0

Answer:

Pyramid

Step-by-step explanation:

It is a pyramid because the base is a square and the sides are triangles.

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Part A
lesya692 [45]
Each candy bar cost $5

work:
x = cost of candy bar

3+8(x)=43
-3. -3 < subtract 3 both sides
——————
8(x)= 40
—— —— 8 8

x=5
4 0
3 years ago
Find the net pay hours worked 27 1/4 5.15 an hour
natali 33 [55]

$440.34 because 27 1/4 X 5.15 = $440.3375 rounded to nearest hundredth $440.34

3 0
3 years ago
The sides of a triangle are x , x +1 , 2 x -1 and its area is x root of 10 .Find the value of x.
VARVARA [1.3K]


Ok, I'm going to start off saying there is probably an easier way of doing this that's right in front of my face, but I can't see it so I'm going to use Heron's formula, which is A=√[s(s-a)(s-b)(s-c)] where A is the area, s is the semiperimeter (half of the perimeter), and a, b, and c are the side lengths.

Substitute the known values into the formula:

x√10=√{[(x+x+1+2x-1)/2][({x+x+1+2x-1}/2)-x][({x+x+1+2x-1}/2)-(x+1)][({x+x+1+2x-1}/2)-(2x-1)]}

Simplify:

<span>x√10=√{[4x/2][(4x/2)-x][(4x/2)-(x+1)][(4x/2)-(2x-1)]}</span>

<span>x√10=√[2x(2x-x)(2x-x-1)(2x-2x+1)]</span>

<span>x√10=√[2x(x)(x-1)(1)]</span>

<span>x√10=√[2x²(x-1)]</span>

<span>x√10=√(2x³-2x²)</span>

<span>10x²=2x³-2x²</span>

<span>2x³-12x²=0</span>

<span>2x²(x-6)=0</span>

<span>2x²=0 or x-6=0</span>

<span>x=0 or x=6</span>

<span>Therefore, x=6 (you can't have a length of 0).</span>

6 0
3 years ago
Paige earned $15.50 per hour. She received a 10% raise. Paige worked 10 hours at her new salary. How much did Paige earn?
PSYCHO15rus [73]

Answer:

C- $170.50

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the best estimate of the sum of the fractions? StartFraction 31 over 4 EndFraction + StartFraction 17 over 3 EndFraction
sergey [27]

Answer:

The answer is B

Step-by-step explanation:

none

3 0
3 years ago
Read 2 more answers
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