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san4es73 [151]
3 years ago
11

8. PUZZLES Potter's Puzzles sells a wooden

Mathematics
1 answer:
krok68 [10]3 years ago
7 0

Answer:

The surface area is 156\ in^{2}  

Step-by-step explanation:

we know that

The surface area of the square pyramid is equal to the area of the square base plus the area of its four lateral triangular faces

so

SA=b^{2}+4[\frac{1}{2}(b)(l)]

where

b=6\ in

l=10\ in -----> the slant height

substitute the values

SA=6^{2}+4[\frac{1}{2}(6)(10)]

SA=156\ in^{2}    

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Write an equation of the line with a slope of 2 that passes through the point (−1, 4) in point-slope form and slope-intercept fo
MrMuchimi

Answer:

y=2x+6

Step-by-step explanation:

y=mx+b

your two point that are [-1, 4] with 1 as x and 4 as y

replace y with 4 then replace m with 2 then put your negative one in () it should look like this

4=2(-1)+b then do what in Parentheses

that will give you -2 then add 2 to 4 and that will give u 6

y=2x+6

3 0
2 years ago
Solve 3x 2 + 11x + 6 = 0
ollegr [7]

Answer:

x=

3

2

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=0.667

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Step-by-step explanation:

6 0
3 years ago
To join a local square dancing group, Jan has to pay a $100 sign-up fee plus $25 dollars per month. Write an equation for the co
NemiM [27]

Answer:

y = 25x+100

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4 0
3 years ago
The measures of two supplementary angles are (4x + 8) and (6x + 3)º.
Illusion [34]

Step-by-step explanation:

A supplementary angle is an angle that is 180 degrees. We are given two angles that add up to 180, but we need to solve for x first.

The first step is to solve both angles. We know that both angles added together are supplementary, so they are equal to 180.

4x + 8 = unknown angle

6x + 3 = unknown angle

(4x + 8) + (6x + 3) = 180

Because we know a supplementary angle is 180 degrees, we can solve for x to find both angles.

Solve for x.

(4x + 8) + (6x + 3) = 180

10x + 11 = 180

10x = 169

x = 16.9

Now, we know the value of x, so we plug in x for both angles to determine which angle is smaller.

4x + 8

4(16.9) + 8

67.6 + 8 = 75.6 degrees

and the other angle

6x + 3

6(16.9) + 3

101.4 + 3 = 104.4 degrees

Now we know that the smaller angle is 75.6 degrees.

Also, to make sure the math is correct, when plugging in both numbers after finding x, they should add to 180.

75.6 + 104.4 = 180 so we know they are supplementary for sure.

Good luck!

7 0
3 years ago
Read 2 more answers
Y to the 3rd power times y to the negative 5th power
lina2011 [118]
Y^3 * y^5 = y^8. you add the exponents
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