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kondaur [170]
3 years ago
9

Please help!!!!!!!!!

Mathematics
1 answer:
astra-53 [7]3 years ago
5 0

Answer:

first one

Step-by-step explanation:

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PLS HELP ME WILL MARK BRAINLIEST
8090 [49]

Answer:

LA = 120 sq cm

SA = 132 sq. cm.

Step-by-step explanation:

LA = ph    where p = perimeter of the base and h = the height of prism.

Your base is a triangle.  The third side = \sqrt{5^{2} - 3^{2} } = \sqrt{25 - 9}  = \sqrt{16} = 4

Now, the perimeter of the triangle is 3 + 4 + 5 = 12

So, LA = 12(10) = 120 sq cm

The area of the base is the area of a triangle.  A = bh/2 = 4(3)/2 = 6

SA = 2B + LA      where B is the area of the base

SA = 2(6) + 120 = 12 + 120 = 132 sq. cm.

3 0
3 years ago
Solve the value of y for the given values of x: 4x = 3y - 7; x= 4,5,6
julia-pushkina [17]
Thhe easiest way would be to solve for y first
4x=3y-7
add 7
4x+7=3y
divide both sides by 3
(4x+7)/3=y

try each
x=4
(4(4)+7)/3=y
(16+7)/3=y
(23)/3=y
7 and 2/3=y
(4,7.66666)


x=5
(4(5)+7)/3=y
(20+7)/3=y
(27)/3=y
9=y
(5,9)

x=6
(4(6)+7)/3=y
(24+7)/3=y
(31)/3=y
10 and 1/3=y
(6,10.333)



(4,7.66666)
(5,9)
(6,10.333)

when x=4, y=7 and 2/3
when x=5, y=9
when x=6, y=10 and 1/3



5 0
3 years ago
Read 2 more answers
John has 4/5 gallon of paint. He uses half of that paint for a project. How much paint does John use for his project?
yawa3891 [41]
0.4 in decimals, 2/5 in fractions.
4 0
2 years ago
Read 2 more answers
The diagram below shows a model of four waves. An image of four waves labeled W, X, Y, Z is shown. Wave W has the smallest dista
olya-2409 [2.1K]

Answer:

its b

Step-by-step explanation:

4 0
2 years ago
Tessa bought stock in a restaurant for $246.00 Her stock is now worth $297 66 What is the percentage increase of the value of Te
Ira Lisetskai [31]

The percentage increase of the value of Tessa's stock is 21%.

<h3>Percentage increase</h3>

Using this formula

Percentage increase=Current stock worth-Old stock worth/Old stock worth

Where:

Current stock worth=$297.66

Old stock worth=$246.00

Let plug in the formula

Percentage increase=$297.66 - $246.00 / 246.00 × 100

Percentage increase=$51.66/ 246.00 × 100

Percentage increase=21%

Inconclusion the percentage increase of the value of Tessa's stock is 21%.

Learn more about percentage increase  here:brainly.com/question/11360390

8 0
2 years ago
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