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Westkost [7]
3 years ago
5

WILL MARK BRAINLIEST!

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
5 0

Answer:

(-3, -4).

Step-by-step explanation:

A reflection in the x-axis  has the same x coordinate but the sign of the y coordinate changes sign.

Therefore  the pre-image is (-3, -4).

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Evaluate the determinant
Luba_88 [7]
D. negative 67 because laplace’s expansion
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Which type of triangle is formed by the points P(0, 6), Q(-3, 0 ), and R(3, 0)?
stiv31 [10]
It is an isosceles triangle
5 0
3 years ago
12. An equation is shown. 8 1/2 - 3 1/? = 5 3/12<br>What is the value of the missing number?​
weeeeeb [17]

Answer:

Step-by-step explanation:

Alright, lets get started.

8\frac{1}{2}-3\frac{1}{?}=5\frac{3}{12}

These are mixed number given.

Suppose the complete mixed number of second place is x.

Converting mixed numbers into fractions.

\frac{17}{2}-x=\frac{63}{12}

Adding x in both sides

\frac{17}{2}=x+\frac{63}{12}

x=\frac{17}{2}-\frac{63}{12}

Making common denominator

x=\frac{102}{12}-\frac{63}{12}

x=\frac{39}{12}

x=\frac{13}{4}

In mixed number form:

x=3\frac{1}{4}

So comparing with given equation, the '?' sign will be equal to 4.

Hence the answer is 4    :  Answer

Hope it will help :)

4 0
3 years ago
1) At a diner, the cost for a specialty waffle and a hashbrown is $9.50. The cost for 2 specialty
klemol [59]

9514 1404 393

Answer:

  • waffle $8
  • hashbrowns $1.50

Step-by-step explanation:

Using w and h for the costs of a waffle and hashbrowns, respectively, we can write the equations for the purchase amounts as ...

  w + h = 9.50

  2w + 3h = 20.50

Subtracting twice the first equation from the second gives ...

  (2w +3h) -2(w +h) = (20.50) -2(9.50)

  h = 1.50 . . . . . . simplify

  w = 9.50 -h = 8.00 . . . . . find w using the first equation

The cost of a waffle is $8.00; the cost of hashbrowns is $1.50.

4 0
3 years ago
The original price of a sweater was $40. When Mandy went shopping, it was on sale for 50% off. What was the cost of the sweater
goldenfox [79]

Answer: $20

Step-by-step explanation:

half of 40 is 20.....

7 0
3 years ago
Read 2 more answers
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