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Tanya [424]
2 years ago
10

Please anyone I need to do this know I have no time left

Mathematics
1 answer:
ira [324]2 years ago
4 0

Answer:

<h3>(1) 292 sq ft</h3><h3>(2) 346 sq in</h3>

Step-by-step explanation:

<u>Surface Area</u>

(1)

Triangular Prism

Given that:

  • Base (b) = 7 ft
  • Height (h) = 6 ft
  • Hypotenuse (y) = 9 ft
  • Depth (d) = 10 ft

Find the surface area!

Surface area =

bh + d(b+2y) =

(7 × 6) + (10×(7+(2×9))) =

42 + 250 =

<h3>292 sq ft ✅</h3>

___________________

(2)

Cuboid

Given that:

  • Length (L) = 11"
  • Width (W) = 10"
  • Height (H) = 3"

Find the surface area!

Surface area =

2LW + 2LH + 2WH =

(2×(11×10)) + (2×(11×3)) + (2×(10×3)) =

220 + 66 + 60 =

<h3>346 sq in ✅</h3>

______________

#IndonesianPride

- kexcvi -

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Butoxors [25]

Her situation can be modeled by the linear equation (in standard form):

x*$0.25 + y*$0.79 = $2.50

<h3>How to write the equation that represents her situation?</h3>

The variables that we will use here are:

x =  number of apples that she can buy.

y = number of bananas that she can buy.

We know that she has $2.50 to spend, that each apple costs $0.25 and each banana costs $0.79, then the cost of the x apples and y bananas is:

x*$0.25 + y*$0.79

and that must be equal to the amount she has to spend, then we can write the linear equation:

x*$0.25 + y*$0.79 = $2.50

That is the linear equation in standard form that represents her situation.

Learn more about linear equations:

brainly.com/question/1884491

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3 0
1 year ago
Draw a line through the origin that has a slope of 4/3
Ket [755]

Answer:

The graph in the attached figure

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line <u><em>and the line passes through the origin</em></u>

In this problem the given line represent a proportional relationship, because passes through the origin

we have

k=\frac{4}{3} --->  the constant of proportionality k is equal to the slope

substitute

The linear equation is

y=\frac{4}{3}x

To draw a line we need two points

we have (0,0)

To find the other point

assume  x=3 and substitute in the equation to solve for y

y=\frac{4}{3}(3)=4

so

The other point is (3,4)

using a graphing tool

Plot the points (0,0) and (3,4)

To graph the line join the points

see the attached figure

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2 years ago
Which factored form of 10x + 120x + 320 reveals all the zeros of the function it defines?
Readme [11.4K]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
A number added to 3 is equal to negative 5, find the number​
anzhelika [568]

Answer:

-8

Step-by-step explanation:

An equation at represents this situation is:

-5 = 3 + x

Find x by;

-5 - 3 = -8

So x is -8:

-5 = 3 + -8 (TRUE)

Hope this helps

6 0
3 years ago
Read 2 more answers
Mario invests 1,500 in a savings account that earns 2% interest a year. He also plans to set aside $50 cash a month. A:2100(1.02
Sedbober [7]

Answer:

<em>1500(1.02)^x  +   600x</em> is how much he has in savings at the end of x years where it be in the bank or elsewhere

Step-by-step explanation:

x is in years

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Before the years even start, you are at 1500 ( present value).

The next year (year 1), it would be 1500*.02+1500=(1500)(1.02).

The next year (year 2), it would be 1500(1.02)(.02)+1500(1.02)=1500(1.02)(1.02).

We keep multiplying factors of (1.02) each time.

So for year x, you would have saved 1500(1.02)^x.

Now we are saving 50 cash per month. Per year this would be 12(50) since there are 12 months in a year.  12(50)=600.  

So the first year you would have 600.

The second year you would have 600(2) or 1200.

The third year you would have 600(3) or 1800.

Let's put this together:

1500(1.02)^x  +   600x

4 0
3 years ago
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