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Tomtit [17]
3 years ago
6

Toni simplified the expression , 22 × (16 −32 +1) ÷ 8. For Toni's first and second steps, he simplified the expression inside th

e parentheses and got the answer of 11. What was Toni's error? Find the correct answer. giving brainlist
Mathematics
1 answer:
Anna007 [38]3 years ago
6 0
When you subtract and add what is in the parentheses you would get -15 so I’m guessing he didn’t go from left to right when working inside the parentheses but when you solve the whole problem out you would get the answer: -41.25 If I missed something or you need me to show the work just let me know but I hope this helps !
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6. Write the general equation of a circle with the given information. *<br>(x + 4)2 + (y - 3)2 = 24​
trapecia [35]

I think the answer is

2x + 2y = 26

4 0
3 years ago
Could someone explain this to me ??
hodyreva [135]
<h3>Answer: C) 12</h3>

========================================================

Explanation:

Refer to the diagram below. I'm using the points A,B,C,D,E to help label the triangles, and to label the angles as well.

For now, let's focus on triangle DEC.

The top most angle is given as D = 65. Note how the angles D and E are opposite the congruent lines (marked with the red single tickmarks). This means that angles D and E are congruent to one another. So E = 65 as well. This is shown in the diagram below.

For now we don't know what angle C is, so we'll call it y. More specifically, we'll make y the measure of angle DCE.

For any triangle, the three angles always add to 180

y+65+65 = 180

y+130 = 180

y = 180-130

y = 50

So angle DCE is 50 degrees.

-------------------------------

Now we move onto triangle ABC.

Because angles DCE and ACB are vertical angles, this makes angle ACB 50 degrees also. Effectively, anywhere you see a 'y' in the diagram below, replace it with 50.

So triangle ABC has the three angles y = 50, y = 50 and 7x-4

We can solve for x like so

y+y+(7x-4) = 180

50+50+(7x-4) = 180

7x+96 = 180

7x = 180-96

7x = 84

x = 84/7

x = 12

This points to choice C as the final answer.

3 0
3 years ago
Hannah and Anthony are siblings who have ages that are consecutive odd integers. The sum of their
dexar [7]

Answer:

2h-2=92 and h-2=92-h.

Step-by-step explanation:

Hannah, h, is the older sibling and their ages are consecutive odd integers. This means that Anthony's age will be 2 less than Hannah's, or h-2.

The sum of these would be h+(h-2), giving us the equation h+(h-2)=92.

 

Combining like terms we would have the first correct choice, 2h-2=92.

Our first equation can be transformed, however, to have (h-2) by itself. To do this, we would subtract h from both sides, giving us h-2=92-h.

5 0
3 years ago
What are the x-intercept and y-intercept of the graph of y=13x−6 ?
gtnhenbr [62]
To find the x-int., let y = 0 and solve for x:  13x = 6, so x = 6/13:  (6/13, 0)

To find the y-int., let x =0 and read off the y-int:  (0, -6)
7 0
3 years ago
Read 2 more answers
Use the difference of cubes identity to write the expression x3 – 64 in factored form.
Elena-2011 [213]

Answer:

Hey there!

We have:

x^3-64

x^3-4^3

(x-4)(x^2+4x+16)

Let me know if this helps :)

3 0
3 years ago
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