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Nina [5.8K]
3 years ago
13

PLE}ASE HELPP!!!!!!!!!!!!!

Mathematics
1 answer:
Dimas [21]3 years ago
5 0
70 degrees! This is the answer. Notice that the triangle ACF is isosceles, therefore, 35, 35 degrees, and 110 the vertex at F, then AB is 180 deg, so 70 left!

 
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Evaluate 3(2e+8) = 34
strojnjashka [21]

Answer:

e = 5/3

Step-by-step explanation:

3(2e+8) = 34

Distribute

6e +24 = 34

Subtract 24 from each side

6e +24-24 = 34-24

6e = 10

Divide each side by 6

6e/6 = 10/6

e = 10/6

Divide the top and bottom by 2

e = 5/3

4 0
4 years ago
Read 2 more answers
Do the ratios 4/2 and 10/5 form a proportion? Yes or no
mars1129 [50]

Answer:

These are both 20 so that means that this is proportional, yes.

Step-by-step explanation:

Hi.

To figure this out we can do something called cross multiplying to find a cross product. If we do this and our two answers are equal then it is indeed a proportion.

Here is how we do this.

\frac{4}{2}    \frac{10}{5}

So basically what we are doing is multiplying across in a diagonal direction.

Diagonal meaning like a slash / .

So in this case we would multiply the 4 and the 5 , since they're diagonal from each other.

Do the same for the 2 and the 10.

So we have to multiply :

4 x 5

2 x 10

=

20

These are both 20 so that means that this is proportional, yes.

Hope this helps.

If you have any questions or concerns feel free to message me.

8 0
3 years ago
PLEASE HELP GIVING BRAINLIST!!! Given ΔXYZ is isosceles, what is XZ if the perimeter is 107 units and XZ = 1/2 XY?
Tema [17]
  • XY+YZ+XZ=107

XY and YZ be x

  • x+x+1/2x=107
  • 2x+1/2x=107
  • 4x+x/2=107
  • 5x/2=107
  • 5x=214
  • x=42.8units
6 0
2 years ago
F’(x)= 1+3 square root x f(9)=68
notka56 [123]

Answer:

f(x) = x + 2x^\frac{3}{2} + 5

Step-by-step explanation:

I'm assuming the question here is asking for f(x)

The first step would be to find the antiderivative of f'(x)

\int{1+3\sqrt{x}} \, dx = \int{1 + 3x^\frac{1}{2}} dx

Apply the reverse power rule

x + 2x^\frac{3}{2} + C

Now solve for C when x = 9

x + 2x^\frac{3}{2} + C = 68\\9 + 2(9)^\frac{3}{2} + C = 68\\9 + 2(27) + C = 68\\9 + 54 + C = 68\\63 + C = 68\\C = 5

Now substitute into the antiderivative

f(x) = x + 2x^\frac{3}{2} + 5

8 0
3 years ago
One-half of a number is -12. Find the solution ???
Lynna [10]
<em>Let the number is n</em>

<em>it means that n÷2 = -12</em>
<em>multiplying both sides by 2, we get</em>

<em>n = -24 solution.</em>
8 0
3 years ago
Read 2 more answers
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