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3 years ago

I’m having trouble with my homework

Mathematics

1 answer:

Igoryamba3 years ago

5 0

G,R,T I feel like they are trying to throw you off with big words

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Joslyn wants to buy 4 packs of pens for $12.00 each and a pack of pencils for &6.00. How much money does she need

seropon [69]

$54 is your answer

You multiply $12.00 by 4 packs of pens and then add $6.00 for the pencils.

8 0

3 years ago

A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, gi

defon

Answer:

An ordered pair is a set of inputs and outputs and represents a relationship between the two values. A relation is a set of inputs and outputs, and a function is a relation with one output for each input.

here is a exstended explantion:

A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x is related to.

For example, consider the following sets X and Y. I'll give you a relation between them that is not a function, and one that is.

X = { 1, 2, 3 }

Y = { a , b , c, d }

Relation from X to Y (i.e., in XxY ) : { (1,a) , (2, b) , (2, c) , (3, d) }

This relation is not a function from X to Y because the element 2 in X is related to two different elements, b and c. (Note, if you transpose the ordered pairs you would have a function from Y to X - can you see WHY?)

Relation from X to Y that is a function: { (1,d) , (2,d) , (3, a) }

This is a function since each element from X is related to only one element in Y. Note that it is okay for two different elements in X to be related to the same element in Y. It's still a function, it's just not a one-to-one function.

8 0

3 years ago

What is the value of x in 2.5-0.35x=-3

raketka [301]

Answer:

X= 110/7 or 15.7 or rounded to 16

6 0

3 years ago

Read 2 more answers

Quadrilateral WXYZ has the vertices W(-5, 2), X(-4, -2), Y(3, 1), and Z(2, -5). The quadrilateral is dilated by a scale factor o

vladimir2022 [97]

I’m not sure but is maybe c

5 0

3 years ago

Find the value of c, rounded to the nearest tenth A. 11 B. 14.3 C. 37.6 D. 7.4

Helga [31]

Answer:

D. The correct value of c = 7.4

Step-by-step explanation:

According to Tangent-Secant theorem:

"When a tangent and a secant are drawn from one single external point to a circle, square of the length of tangent segment must be equal to the product of lengths of whole secant segment and the exterior portion of secant segment."

Here, the external length of tangent segment = 10

Also, the length of internal segment is 14 and c.

So, by the SECANT THEOREM:

$(10)^2 = 14 \times c\\\implies c = \frac{100}{14} = 7.14$

or, c = 7. 1428

Now, rounding off the value of c = 7. 14 to the nearest tenth, we get

c = 7. 4

Hence the correct value of c = 7.4

8 0

4 years ago

Read 2 more answers