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Harlamova29_29 [7]
3 years ago
9

C. A rational number is a number that can be expressed as a fraction with both the

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

Rational expressions are bascially an expression where one polynomial is divided by another.  And a polynomial is a series of terms like ax^b added together, where the exponents, what I labeled as b, need to be positive integers.

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A restaurant freezes a cherry and lime juice mixture to create slushes. Cherry juice costs $5 per quart, and lime juice costs $3
Stella [2.4K]

Answer:

Answer is at the bottom!

Step-by-step explanation:

Cherry juice=5+5+5+5+5+5=30

Lime juice =3+3=6

6 cherry slushes and 2 lime slushes were sold.

Hope this helps!!

5 0
3 years ago
Read 2 more answers
On the last three physics exams a student scored 89, 87, and 92. What score must the student earn on the next exam to have an av
OlgaM077 [116]

Answer:

For the average to be above 90, the marks in the fourth paper should be MORE THAN 92.

Step-by-step explanation:

The score of students in last 3 exams =  89 , 87 and 92

Let us assume the marks scored by the student in last exam = k

The average of marks should be above 90.

Now, \textrm{The average of total marks}  = \frac{\textrm{Sum of all marks obtained in 4 papers}}{\textrm{ 4 papers }}

Sum of all 4 paper's marks =  89 + 87 + 92 + k = 268 + k

Also, 90 <  Average

\implies 90 < \frac{268 + k}{4}\\ or, 360 < 268 + k\\\implies  360 - 268 < k\\or,  k >  92

Hence,for the average to be above 90, the marks in the fourth paper should be MORE THAN 92.

4 0
3 years ago
Help me please and thank you
UNO [17]
The answer to the question is 64°

x° + 26°= 90°

x° = 64°
4 0
3 years ago
Kai wrote the number 85 on the board. Is 85 prime or composite? Explain
Bingel [31]
It’s a composite because it has a multiple other than itself
4 0
3 years ago
I need shown work with numbers or an explanation if need.
sveticcg [70]

Let us denote the semi arcs as congruent angles. This means that angles FEJ and EFJ are congruent (That is, they have the same measure). Since angles FEJ and EFJ have the same measure, this implies that sides EJ and FJ are equal. Since angles EJK and FJH are supplementary angles to angle EJF, this implies that EJK and FJH have the same measure.

Using the Angle Side Angle (SAS) criteria, we determine that triangles EKJ and triangle FJH are congruent. This implies that sides EK and FH are equal and that angles EKJ and FHJ are congruent. Note that angle EKJ is the same as EKF and that FHJ is the same as FHE.

Once again, since angles EKF and FHJ are congruent, and angle EKD is supplementary to the angle EKJ when angle FHG is supplementary to angle FHJ, then we have that angles EKD and angle FHG are congruent.

Using again the SAS criteria, we determine that triangles EKD and FHG are congruent.

From this reasoning, we have proved the following facts:

Triangle DEK is congruent to triangl GFH

Angle EKF is congruent to angle FHE

Segment EK is the same as segment FH

4 0
1 year ago
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