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8090 [49]
4 years ago
14

MATH HELP I NEED THE FULL EXPLANATION

Mathematics
1 answer:
olganol [36]4 years ago
6 0
No

({4}^{11}  \times  {4}^{1} ) ^{3}
put 11 for p

{}^{11 + }  {}^{1}
add exponents. base stays the same
({4}^{12} ) ^{3}
multiply exponents. base stays same
12 \times 3
answer:
{4}^{36}
His answer is inncorrect becase he added the exponents 12 and 3 instead of multiplying. You multiply exponents when one is raised to another.
for example:
({2}^{2} ) ^{3 }  \\  2 \times 3  \\ {2}^{6}
still check internet to make sure if im right.

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A solid has faces that consist of 5 congruent squares and 4 congruent equilateral triangles. The solid has 9 vertices. How many
zimovet [89]
The answer is <span>A. 16 edges

For most of the solid shapes, we can use Euler's polyhedron formula:
f + v - e = 2
f - the number of faces
v - the number of vertices
e - the number of edges

We know:
f = 5 + 4 = 9
v = 9
e = ?

So:
</span>f + v - e = 2
9 + 9 - e = 2
18 - e = 2
18 = e + 2
e = 18 - 2
e = 16
8 0
4 years ago
What is the surface area of the solid that can be formed by this net?<br><br>plz help fast!!!​
Fudgin [204]

Answer:

58 in^2.

Step-by-step explanation:

This is the sum of the area of 4 small rectangles + the area of the 2 larger  rectangles

= 2*4*1 + 2*5*1 + 2*4*5

=  8 + 10 + 40

= 58 in^2

6 0
3 years ago
Read 2 more answers
DEAR GOD PLEASE HELP
masha68 [24]

Answer:

x = 34

∠S = 38

∠T = 111

Step-by-step explanation:

Angles in a triangle add up to equal 180

If ΔRST is a triangle and ∠R, ∠S and ∠T are angles in that triangle

Then ∠R + ∠S + ∠T = 180

That being said we want to create an equation to solve for x

If angles in a triangle have a SUM of 180

Then, 31 + x + 4 + 3x + 9 = 180

We now solve for x

Step 1 combine like terms

31 + 4 + 9 = 44

x + 3x = 4x

we now have 44 + 4x = 180

step 2 subtract 44 from each side

44 - 44 cancels out

180 - 44 = 136

We now have 136 = 4x

Step 3 divide each side by 4

4x / 4 = x

136 / 4 = 34

We're left with x = 34

Now we want to find the measures of ∠S and ∠T

To do so, we substitute 34 for x in their given expression

∠S = x + 4

* substitute 34 for x  *

∠S = 34 + 4

34 + 4 = 38

Thus ∠S = 38°

∠T = 3x + 9

* substitute 34 for x *

∠T = 3 ( 34 ) + 9

34 * 9 - 102

102 + 9 = 111

Thus, ∠T = 111°

4 0
3 years ago
PLEASE HELP WILL GET BRAINIEST
NeX [460]
You have a lot of questions here, I can help you with a few of them.

When you simplify the polynomials, you put together all of the terms that have the same degree. That means the variables have the same exponents. The number of terms are the items separated by plus and minus signs.

Here are the answers for the first three:


1) 8x^3+2x^2-3x+9&#10;

2)  4w^2 + 14w + 17

3)  -3x^3+9x^2 +3x
6 0
4 years ago
Read 2 more answers
A bundled computer package costs $760.50. There is an 8 percent convenience fee for assembling the package. How much will the co
guajiro [1.7K]
So we need to find 8% of 760.50 then add it to the original cost of the computer package. 
To find 8%, multiply like what is below. 

$760.50 × .08 = 60.84
$60.84 is 8% of $760.50
Add both totals together to get the cost of the computer, with assembly

Answer: $821.34
5 0
3 years ago
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