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larisa [96]
3 years ago
15

The total cost in dollars to buy calculator sets for the students in Mr. Engle’s math class can be found using the function C =

75.95 s + 12.25, where s is the number of calculators purchased. If there are at least 27 students but not more than 31 students in Mr. Engle’s math class, what is the range of the function for this situation?
A {2062.90, 2138.85, 2214.80, 2290.75, 2366.70}
B 0 < c ≤ 2366.70
C 0 < s ≤ 31
D {27, 28, 29, 30, 31}
Mathematics
2 answers:
DedPeter [7]3 years ago
7 0

Answer:

A

Step-by-step explanation:

75.95*27+12.25= 2062.9

2062.9 is the minimum

ohaa [14]3 years ago
7 0
B is the correct answer
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Point S is on line segment RT given ST=3x-8, RT = 4x, and RS = 4x - 7, determine the numerical length of RT
seraphim [82]

Answer:

20

Step-by-step explanation:

Segment ST is half and RS is the other half. RT is the whole line so adding ST and RS will get you RT. 4x-7+3x-8=4x. solve for x which will get you 5. Replace the x with 5 in 4x (for segment RT) will get you an answer of 20 for the whole line.

8 0
3 years ago
2d=a-b/b-c - solve for a
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3 years ago
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Nina [5.8K]

If you rotate the triangle so that the 6 is on the bottom, the two sides are both 6.2.

Because the two sides are equal the two angles at the bottom would also be equal. One is given as 61 degrees, so the other bottom angle is also 61 degrees.

The three inside angles of a triangle need to equal 180, so X would equal 180 minus the two bottom angles.

X = 180 - 61 - 61 = 58 degrees.

5 0
3 years ago
X-30% is 12. What is X?
skad [1K]
If i'm not wrong,i think the answer is:

30%=0.3
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3 years ago
Read 2 more answers
Please help me. I am having some trouble with these problems
s344n2d4d5 [400]

Answer:

Step-by-step explanation:

This is a proportion problem. I think you just lost a zero.

12/100 = 9/x                    Cross multiply

12x = 100*9                      Combine the right.

12x = 900                         Divide by 12

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2.

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1 gram of Cornbits contains 5/45 = 0.11 grams of protein.

By the narrowest of margins the Tasty Oats has more protein in it.

4 0
3 years ago
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