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ExtremeBDS [4]
3 years ago
13

Latisha started with 2 scores: 72% and 89% . Conferm that the average of these two test scores is 80.5%

Mathematics
1 answer:
Alika [10]3 years ago
8 0
(72% + 89%) divided by 2 (the number of total grades)
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If 6 beads weigh 48 grams, how many beads weigh 72 grams?
allochka39001 [22]
Nine.
48 divided by 6 is 8, which means that each bead weighs 8 grams.
72 divided by 8 is nine.
4 0
3 years ago
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A system of equations is shown below. Which statement about the ordered pair (-7,-3) is true?
antoniya [11.8K]
Answer:

C) It is the only solution to the system.

Step-by-step explanation:

3x + 3y = -30

2x + y = -17

3(-7) + 3(-3) = -30

-21 + -9 = -30

-30 = -30

True

2x + y = -17

2(-7) + (-3) = -17

-14 + -3 = -17

-17 = -17

True

7 0
3 years ago
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Are there any prime numbers that are also square numbers
cestrela7 [59]
The definition of a prime number is one in which there are no factors other than 1 and itself. For example, 5 has no other factors other than 1 and 5 (itself).

The number 1 is not considered prime nor composite.So, even though it is a square (1²), it is not a prime number.

All square numbers have a square root that is neither 1 nor itself: 16 is the square of 4, 49 the square of 7, and so on.

Due to the fact that square numbers have factors other than 1 and itself, square numbers are not prime.

Hope this helps! :)
8 0
3 years ago
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Graph the line that passes through the points (-4,-6) and (-2,-7) and
Komok [63]

Answer:

y=-\frac{1}{2}x-8

Step-by-step explanation:

(-4,-6)(-2,-7)

Step 1. Find the slope (by using the slope-formula)

m = slope

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{-7--6}{-2--4}

m=\frac{-1}{2}

m=-\frac{1}{2}

Step 2. Create the equation of a line that has a slope of -\frac{1}{2}

y=-\frac{1}{2} x+b

Step 3. Find the y-intercept

To do this, use any of the two points and substitute their x and y values

y=-\frac{1}{2}x+b

point: (-2,-7)

(-7)=-\frac{1}{2}(-2)+b

(-7)=1+b

b=-7-1

b=-8

Step 4. Write the equation in Slope-intercept form

y=mx+b

y=-\frac{1}{2} x-8

3 0
2 years ago
Simplify 6^7/6^5<br><br> I have no idea math is hard
MrMuchimi

Step-by-step explanation:

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3 years ago
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