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lana [24]
3 years ago
6

A​ student's scores on five tests are 98​, 99​, 86​, 89 and 70. What must the score be on the next test so that the average is 8

8​? Choose an equation you would use to solve the given problem
Mathematics
1 answer:
vitfil [10]3 years ago
7 0

Answer:

x = 86

Step-by-step explanation:

The average of a set of data is equal to the sum of the numbers divided by

number of the sample . In our case we have

98 , 99 , 86 , 89 , 70   and x the uknown, and we know that the average need to be 88 so

(98+99+86+89+70+x ) / 6  = 88

442 + x  = 528

x  =  528 - 442

x = 86

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HELP PLEASE I DONT UNDERSTAND
miv72 [106K]

Answer:

None of these

Step-by-step explanation:

A <u>perpendicular bisector</u> is a segment which intersects a given segment at a 90° angle, and passes through the given segment's midpoint. Since point T divides segment SU into two parts with lengths 46 and 62 units, VT is not a perpendicular bisector.

A <u>median</u> of the triangle is a segment joining a vertex to the midpoint of the opposite side. Since point T divides segment SU into two parts with lengths 46 and 62 units, VT is not a median.

An <u>altitude</u> of the triangle is a segment passing through a vertex and perpendicular to (i.e., forming a right angle with) a line containing the base (the side opposite the vertex). The diagram doesn't show the right angle at point T (VT is not perpendicular to SU), then VT is not an altitude.

Thus, option None of These is true.

5 0
2 years ago
Can someone help me plz​
wel

Answer: The correct answer is Choice C.

Step-by-step explanation: The drama club raised 150% of their goal, which is represented by choice c.

The proper way to calculate this percentage is to calculate how much they earned over the goal. They earned $150 over a goal of $300, so you divide 150 by 300 to determine the percentage.

150/300 = .5, or 50%

So, they earned 100% (300) plus 50% (150), for a total of 150% of the goal.

7 0
3 years ago
What is the divisor of 4/12=1/3
gregori [183]

Answer:

Im pretty sure its 1. Not 100% sure but im 99.99% sure

Step-by-step explanation:

3 0
2 years ago
Help ASAP pleaseee!
natulia [17]

Answer:

<h2><em>11.6%</em></h2>

Step-by-step explanation:

The probability of getting a 6 is 1/6.  

The probability of not getting a 6 is 5/6

We roll a die 4 times and want 2 sixes, and 2 not sixes.

i.e.exact 2 6's  

We want a combination of 2 sixes from 4 rolls, so we can use the binomial formula to solve this

(4C2)(1/6)²(5/6)² = 6(1/36)(25/36) = (1/6)(25/36) = 25/216 = 0.1157

Nearest tenth of percent is 0.1157×100=11.6%

Ans :11.6%

3 0
2 years ago
Determine the number of crawlers and rovers to make,that will maximize the company profit in a given week
Dmitriy789 [7]

Answer:

jjjijijijiiijijijijijijij no pliss inglés. ;D.

8 0
2 years ago
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