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Elanso [62]
3 years ago
14

I need help with math. Six-side pyramid.

Mathematics
1 answer:
Alexeev081 [22]3 years ago
7 0

Answer: use an algbra caclulater

Step-by-step explanation:

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Kaitlin's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Kaitlin $5.50 per pound, and t
viktelen [127]

Answer:

The quantity of Type A coffee were used is 32 pounds .

Step-by-step explanation:

Given as :

The cost of type A coffee = $ 5.50 per pound

The cost of type b coffee = $ 4.25 per pound

The total cost of coffee = $ 448.00

The quantity of coffee of type B is twice than type A

Let The quantity of type A coffee = x pound

So, The quantity of type B coffee = 2 × x   pound

Now, According to question

x × $ 5.50 + 2 x × $ 4.25 = $ 448

Or,  x × $ 5.50 + x × $ 8.5 = $ 448

Or, 14 x = 448

∴ x = \frac{448}{14}

I.e x = 32

∴ The quantity of type A coffee = 32 pound

And, The quantity of type B coffee = 2 × 32 = 64   pound

Hence The quantity of Type A coffee were used is 32 pounds . Answer

3 0
4 years ago
Calculate dy/dx if Ln (x + y) = e^x/y<br> Pic included
vesna_86 [32]
The first thing you should do when dealing with implicit derivatives is to respect the rules of derivation of both the logarithm and the exponential
 Then, you must regroup the terms correctly until you get dy / dx
 The answer for this case is D
 I attach the solution

7 0
4 years ago
Three friends wor on a project .cindy does 4/8 of the project kim does 3/8 of the project sandy does 1/8 of rhe project how mich
Oliga [24]
You just have to add the three

4/8+3/8+1/8=8/8

8/8=100%

So they finished the whole project


Hope this helps!
4 0
3 years ago
Write an equation of the line that is parallel to the line whose equation is 3y+7=2x and passes through point (2,6).
Sladkaya [172]

Answer:

Step-by-step explanation:

To find the equation of a parallel line, we first need to find the slope of 3y + 7 = 2x.

We need to find it because, if two lines are parallel, then that means they have the same slope.

The best way to do this is solve for y:

3y+7=2x\\3y=2x-7\\y=\frac{2}{3}-\frac{7}{3}

Due to the rule that in y = mx + b, m = the slope, we find that the slope is 2/3.

Now we use that slope in the same formula to find b of the line we're trying to find the equation for, and then we'll have our answer. We find b by plugging in (2, 6) for x and y:

y = mx+b\\y=\frac{2}{3}x+b\\6=\frac{2}{3}(2)+b\\18=4+3b\\ 14=3b\\\frac{14}{3} = b

So our line is:

y=\frac{2}{3}x+\frac{14}{3}

5 0
4 years ago
Katherine wants to use a sheet of fiberboard 18 inches long to create a skateboard ramp with a 17
MaRussiya [10]

The rise from the ground by the skateboard is 5.5 inches

<h3>How to determine the height above the ground?</h3>

The length of the skateboard is given as:

Length (l) = 18 inches

The angle of elevation (x) is

x = 17∘

Represent the height with h.

The value of h is calculated using the following tangent ratio:

tan(x) = h/l

Make h the subject

h = l * tan(x)

Substitute known values

h = 18 * tan(17)

Evaluate

h = 5.5

Hence, the rise from the ground by the skateboard is 5.5 inches

Read more about elevation at:

brainly.com/question/19594654

#SPJ1

5 0
2 years ago
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