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Leno4ka [110]
3 years ago
7

Can someone please help me with this question. I just need to know the height.

Mathematics
1 answer:
Lady_Fox [76]3 years ago
4 0

Step-by-step explanation:

Area of triangle = 1/2 . base . height

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Roger's birthday party will cost $15 if he invites 3 guests. if there are 4 guests, how much will roger's birthday party cost? a
elena-14-01-66 [18.8K]
The cost per guest is $15/3=$5
So 4*$5=$20
4 0
4 years ago
Woodsmith magazine gave instructions on how to build a pine cupboard. Lumber will be needed for two shelves 834 inches long, two
Elena L [17]

Answer: 8.4 feet

Step-by-step explanation:

Given: Lumber required for each shelf = 8\dfrac{3}{4}\ inches

For each base side = 12\dfrac12\ inches

For each door stile = 29\dfrac18\ inches

Total lumber required = (2\times 8\dfrac34 + 2\times12\dfrac12+2\times29\dfrac18)\ \ in.

=(2\times\dfrac{35}{4}+2\times\dfrac{25}{2}+2\times\dfrac{233}{8})\ in\\\\= (\dfrac{35}{2}+25+\dfrac{233}{4})\ in.\\\\=\dfrac{403}{4}\ in. =\dfrac{403}{4}\times\dfrac1{12}\ feet  \ \ \ \ [1 feet = 12 \ in.]\\\\\approx8.4\ feet

Hence, we will need 8.4 feet lumber.

8 0
3 years ago
Which is a simplified form of the expression 4(2z – 1) – 5z?
horsena [70]

Answer:

The answer is A

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Find f if f ''(x) = 12x2 + 6x − 4, f(0) = 5, and f(1) = 4.
Taya2010 [7]
This is a differential equations problem.  We are to work backwards and determine the function f(x) when given f "(x) and initial values.

<span>f ''(x) = 12x^2 + 6x − 4, when integrated with respect to x, yields:

                x^3        x^2
f '(x) = 12------ + 6----- - 4x + C, or 4x^3 + 3x^2 - 4x + C, and
                  3            2

             x^4         x^3        x^2
f(x) = 4------- + 3------- - 4------ + Cx + D, or f(x)=x^4 + x^3 - 2x^2 + Cx + D
               4              3         2

Now, because f(0)=5, 5=0^4 + 0^3 -2(0)^2 + C(0) + D, so that D=5.
Determine D in the same manner:  Let x=1 and find the value of C.

Then the solution, f(x), is x^4 + x^3 - 2x^2 + Cx + 5.  Replace C with this value and then you'll have the desired function f(x).</span>
6 0
4 years ago
CAN SOMEONE HELP ME WITH PATTERN 1
jeyben [28]
1- 6
2- 4
3- 2
And that’s all I can tell you? It’s decreasing so I don’t think 10 would have any stars unless if negative numbers are allowed
5 0
3 years ago
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