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iragen [17]
3 years ago
15

a triangle has sides of 4 and 6 units. The measurement of the longest side is missing.Ted says that one possibility for the unkn

own side length is 11, Do you agree with ted
Mathematics
1 answer:
tester [92]3 years ago
7 0
This is called the pythagorean theorem: a^2 + b^2 = c^2.
Basically, the sum of one side squared + the side of another side squared = the length of the longest side (or hypotenuse).

We have to do the following math:
4 * 4 = 16
6 * 6 = 36
16 + 36 = 52.

We know that 52 = c^2
So we have to \sqrt{c} to get 7.21

You do not agree with Ted. 

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B
bearhunter [10]

Claim: The measures of \angle B and \angle B' are equal

Answer: True

Explanation: Dilations preserve the shape of an image, so this means the angles are kept the same whether you shrink or enlarge the preimage.

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

Claim: The coordinates of A and A' are the same

Answer: True

Explanation: The phrasing "dilating about point A" means that point A is the center of the universe, so to speak, in terms of this dilation operation. Point A is the fixed point that does not move while every other point does move. Because the scale factor is 2/3, which is less than 1, this means every other point comes closer to point A. So something like segment AB will get shorter.

4 0
2 years ago
Jan is cutting a rectangular pan of brownies.She cut them in half and then cut each of those halves in half again.She did the sa
kumpel [21]
I drew a picture!!
.
Maybe you didn't.
.
I like to picture things though.
.
Ok, a rectangle cut in half. 
.
Ok, by definition of "half," just multiply the number of rectangles by 2.
.
1 x 2 = 2 after cutting the brownies in half.
.
2 x 2 = 4 after cutting it in half again.
.
4 rectangles now!!
.
Doing it the other way... pretend you are starting over from scratch.
.
A new batch of brownies!
.
But still pay attention to what you already cut. 
.
Cut down the middle the other direction.
.
What's 4 x 2?
.
8.
.
Now, finally, we multiply the half of the half brownies.
.
What's 8 x 2?
.
16.
.
16 slices.

7 0
3 years ago
In a class of 24 students , 13 students sold over 150 raffle tickets each and the rest of the class sold about 60 raffle tickets
ioda
Yes. Because 150x13=1950. then 1950+60=2610. so yes they met their goal
8 0
3 years ago
I need a little help on this other question : 8(2w-2)=7(3w+2)
Rama09 [41]

8(2w-2)=7(3w+2)

16w - 16 = 21w + 14

-30 = 5w

-30/5 = w

w = -6

3 0
3 years ago
Kate's father is 32 years older than Kate is. In 5 years, he will be five times older. How old is Kate?
Sedbober [7]

In 5 years, the ratio of their ages will be 5:1, so the difference in their ages will be 4 ratio units. Those 4 units correspond to 32 years, so each unit corresponds to 32/4 = 8 years.

Thus, in 5 years, Kate will be 8 and her father will be 40. Right now, Kate is ...

... 8 - 5 = 3 years old.

_____

<em>Using equations</em>

Let k represent Kate's current age. Then in 5 years Kate will be k+5, and we will have ...

... 5(k+5) = (k+5)+32 . . the relationship betewen their ages in 5 years

... 5k +25 = k +37 . . . . eliminate parentheses

... 4k = 12 . . . . . . . . . . . add -25-k

... k = 3 . . . . . . . . . . . . . divide by 4

Kate is 3 years old.

3 0
2 years ago
Read 2 more answers
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