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anastassius [24]
2 years ago
8

Charlie wants to estimate how much time in the eighth grade students in his school spend on their homework each night which samp

le of matter would give Charlie the best estimate
Mathematics
1 answer:
Fudgin [204]2 years ago
7 0

Answer:

it is b

Step-by-step explanation:

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Mariko has an 1:80 scale-drawing of the floor plan of her house. On the floor plan, the dimensions of her rectangular living roo
NNADVOKAT [17]

Answer:1 inch is actually 80 inch so:

1 7/8 x 80 is true length of side 1 and

2 1/2 x 80 is true length of side 2 of room

Step-by-step explanation:

the area is side 1 x side 2 in sq inches

then change square inches to square feet for your final answer

5 0
2 years ago
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If the point on the line is (-5,6) and the slope is 2/3, what is the answer in slope-intercept form?
Triss [41]
So you know the slope is 2/3. We can write the equation y=mx+b and plug in the value we know to get y=(2/3)x+b. Since the line goes through the point, (-5,6) our equation must be true when the x and y value are plugged into the equation. We get (6)=(2/3)(-5)+b. Solving for b, we get 6=(-10/3)+b then b=28/3. This means our formula is y=(2/3)x+28/3


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6 0
3 years ago
Which statement is true about the function f(x)= StartRoot negative x EndRoot?
sveticcg [70]

Because x is negative the domain of the function is all negative real numbers.

Set the radical greater than or equal to 0:

-x >= 0

Turn x positive by multiplying both sides by -1. When you multiply an inequality by -1 you need to reverse the inequality sign:

X <= 0

Domain is all real numbers below 0 so all negative real numbers.

6 0
3 years ago
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-4x – 4y = -8<br> -2x + 4y = –10
shusha [124]

Answer:

–10

Step-by-step explanation:

8 0
2 years ago
A local hamburger shop sold a combined total of 649 hamburgers and cheeseburgers on Friday. There were 51 fewer cheeseburgers so
katrin2010 [14]

Answer: 350

Step-by-step explanation:

Let the cheeseburger be represented by a.

Since there were 51 fewer cheeseburgers sold than hamburgers. This means that hamburgers will be:

= a + 51.

Since the local hamburger shop sold a combined total of 649 hamburgers and cheeseburgers. This will be:

a + a + 51 = 649

2a + 51 = 649

2a = 649 - 51

2a = 598

a = 598/2

a = 299

299 cheeseburger were sold

Therefore, the number of hamburger sold will be:

= 649 - 299

= 350

7 0
2 years ago
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