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g100num [7]
3 years ago
11

How many fourths are in 2 1/2

Mathematics
2 answers:
Oxana [17]3 years ago
4 0
2\frac{1}{2}:\frac{1}{4} = \frac{5}{2}*4=10


Nat2105 [25]3 years ago
4 0
2 1/2 is the same as 5/2 which is the same as 10/4, so 10 is the answer :)
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1<br> Which sequence of transformations takes AA to its image, AB ?
lianna [129]

A rigid transformation preserves the dimensions of the image

The option that gives the sequence of transformation that takes ΔB to ΔB is  the option B.

<u>(B) Reflection across y-axis and a translation 2 units down </u>

Reason:

Question: The sequence of transformation that takes ΔA to image ΔB

<em>From a similar question, we have, ;</em>

<em>The vertices of triangle ΔA are; (-8, 9), (-9, 4), (-3, 4)</em>

<em>The vertices of triangle ΔB are; (8, 7), (3, 2), (9, 2)</em>

<em>The options are; </em>

<em>(A) Reflection over the x-axis and 2 units translation down</em>

<em>(B) Reflection over the y-axis and 2 units translation down</em>

<em>(C) 90° rotation after a translation of 2 units down</em>

<em>(D) 90° rotation after a translation of 12units right</em>

Solution;

The length of the base of ΔA = -3 - (-9) = 6

The length of the base of ΔB = 9 - 3 = 6

Therefore, the length s of triangle A and triangle B are equal

The orientation of the base of ΔA and ΔB are both horizontal

The location of the the side that traverses four cells are both furthest from the y-axis, or the vertical

Therefore, ΔB is a reflection of ΔA across the y-axis

We also have;

The base of ΔB is 2 units lower than the base ΔA

Therefore, the correct option is option B, reflection across y-axis and a translation 2 units down

Learn more here;

brainly.com/question/23461633

7 0
3 years ago
A bag has 5 yellow marbles, 3 red marbles and 2 blue marbles. Quinn randomly picks a marble from the bag and returns it before a
agasfer [191]

Answer:

Quinn can expect to pick blue 40 times

Step-by-step explanation:

the probability of picking blue is stated as 2/10 which can be reduced to 1/5

multiply the number of times they pick a marble ( shown as 200) by the probability of picking a blue one ( 1/5)

200 x 1/5 = 200 / 5 = 40

Quinn can expect to pick blue 40 times

6 0
3 years ago
Read 2 more answers
1. Rewrite the expression. Use an exponent, rather than repeated multiplication. (–4)(–4)
AlekseyPX
-4^2 is the same as -4*-4

-4*-4=16

-4^2= 16 

-4^2 is the exponent.

I hope this helps!
~kaikers
4 0
3 years ago
WILL MAKE BRAINLIEST!
Stolb23 [73]
1)  <span>x + 24=95

2) 1 / 5x = 10
5x = 10/1
5x = 10
x = 10/5
x = 2

3) b/5 + 15 = 45
b = 5(45-15)
b = 150

</span>
8 0
3 years ago
Read 2 more answers
Construct a triangle with sides congruent to given line segments. Does a solution always exist? How many congruent solutions are
Alik [6]

Answer:

ii. Yes, a solution always exists.

iii. There is only one congruent solution to the problem.

Step-by-step explanation:

Two or more lines are said to be congruent is they have the same length. These lines could be at certain angles to each other, which can be constructed to produce a triangle.

Given line segments, constructing a triangle with sides congruent to the line would produce only one triangle.

See the attachment for an example of the construction.

8 0
3 years ago
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