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Mumz [18]
3 years ago
13

Please help if you can! I'll mark brainiest if you're right;; Thank you in advance :D

Mathematics
1 answer:
Stels [109]3 years ago
5 0

Answer:

[83, 100]

Step-by-step explanation:

Lowest score to get a B is 80

Total 4 tests,  to get at least a B  :  80 x 4 = 320

Total 3 test scores = 81 + 62 + 94 = 237

So the fourth test to get at least a B: 320 -237 = 83

Answer [83, 100]

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What is the value of X plz help
Tema [17]

Answer:

x = 16

Step-by-step explanation:

(5x + 12)° + (6x - 8)° = 180°

(5x + 12 + 6x - 8)° = 180°

(11x + 4)° = 180°

11x + 4 = 180

11x = 180- 4

11x = 176

x = 176/11

x = 16

5 0
3 years ago
PLEASE HELP LOTS OF POINTS!!!!!!!! TWO QUESTIONS!!!!!!!!!
zubka84 [21]

Answer: Number one would be 3x+2y+-14 and x+y=-4, second one is x=-3, y=7

Step-by-step explanation:

The first one is solved by inputting the x and y in each one and finding which one comes out true, the second on is solved by substitution. to find x you would subtract x in the first equation and make it y=4-x then input that equation in the y in the second equation.

6 0
3 years ago
The student-to-faculty ratio at a small college is 17 to 3. The total number of students and faculty is 740. How many faculty me
ryzh [129]

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3 0
3 years ago
I have no idea what to do I missed an entire lesson while I was in the hospital. Help please. I need to show my work as well.
Vlada [557]

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55

Step-by-step explanation:

\sqrt[3]{\frac{n}{4} } +\frac{n}{10} \\\\\sqrt[3]{\frac{500}{4} } +\frac{500}{10}\\\\\sqrt[3]{125} +50\\5+50\\55

3 0
3 years ago
PLEASE HELP ASAP!<br> log base4(x^2+x+4)=2 solve for x
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Step-by-step explanation:

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7 0
3 years ago
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