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Gekata [30.6K]
4 years ago
11

Will give brainliest to best and quick helper!

Mathematics
2 answers:
Dvinal [7]4 years ago
4 0

Answer:

The volume of rectangular box is calculated by:

V = base area x height = length x width x height

=> x = width = V/(length x height)

=> x = 250/(10 x 5) = 250/50 =5 in

=> Missing side: 5 in

Hope this helps!

:)

castortr0y [4]4 years ago
3 0

Answer:

v= b*h*w

v = 10*x*5

v = 250

50x = 250

x = 5

The answer is 5 or the second option or B.

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There are 212 students in the 8th grade class. The number of girls is 49 less than twice the number of boys. How many girls and
Anna71 [15]

Answer:

girls = 125

boys = 87

Step-by-step explanation:

Total number of students in the 8th grade class = 212

Let g represent girls and b represent boys

Number of girls, g = 2b -49

Note that boys and girls in the class give a total of 212

So,

g + b = 212 ....eq 1

Slot in the value of g in the equation

2b - 49 + b = 212

2b + b - 49 = 212

3b - 49 = 212

Add 49 to both sides

3b - 49 + 49 = 212 + 49

3b = 261

Divide both sides by the coefficient of b which is 3

b = 87

Now that we've found the number of boys, let's find that of girls

We will slot in the value of b in eq 1

g + 87 = 212

Subtract 87 from both sides

g + 87 - 87 = 212 - 87

g = 125

So the number of boys is 87 and the number of girls is 125

8 0
3 years ago
Help plzz! Trig Question..
Darina [25.2K]

Answer:

8 meters

Step-by-step explanation:

First, we can draw this out. The angle of depression represents the angle above the line from the bird and the apple, as shown. A line can be drawn from the bird to the apple as well as from the apple's height to the bird's height. A third line can be drawn connecting the line that goes straight up from the apple to the bird, forming a right triangle. We know that this is a right triangle because the purely vertical line from the apple's height to the bird's height is perpendicular to the horizontal line from the bird to the line right above the apple.

Next, we know that we are given an angle and the side adjacent to it. We want to find the length of the side opposite to the angle because that will give us the height from the bird to the apple, and adding that to the height from the apple to the ground will give us the height of the tree. In sohcahtoa, one equation that symbolizes this is tan x = opposite/adjacent, so

tan(55°) = opposite/adjacent

= opposite/4.5

multiply both sides by 4.5 to isolate opposite

tan(55°) * 4.5 = opposite

≈ 6.43

Adding this to the height of 1.5 meters from the apple to the ground, we get the height of the tree to be approximately 7.93, rounding up to 8 meters

6 0
3 years ago
Triangle PQR was reflected across the y-axis resulting in
Mazyrski [523]

Step-by-step explanation:

3.4

4 0
3 years ago
If 3t -7 = 5t, then 6t =
USPshnik [31]

Answer:

21

Step-by-step explanation:

3t-7=5t

subtract 3t from both sides

-7 = 2t

multiply both sides by 3

-21 = 6t

so 6t = -21

5 0
2 years ago
Read 2 more answers
What is the equation for the line in slope-intercept form? will give brainliest
andriy [413]

Answer:

<em>y </em>= 8<em>x</em>

Step-by-step explanation:

The slope is 8, the y-intercept is 0. The slope-intercept form is written:

<em>y</em> = <em>mx</em> +<em> b</em>

So this situation would be written <em>y =  </em>8<em>x </em>+ 0 or just <em>y</em> = 8<em>x.</em>

Hope it helps!

7 0
3 years ago
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