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2 years ago

PLEASE HELP IM ON A TIMER IM CRYING RIGHT NOW!

Mathematics

1 answer:

Shkiper50 [21]2 years ago

6 0

Answer:

its inspireing knowing that we are our own person

Step-by-step explanation:

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A storage container consists of a box of length 90cm, width 42 cm and height 34 cm, and a lid

Ivanshal [37]

Answer:

20079.05 cm^2,

Step-by-step explanation:

Surface area of the box without the lid

= 90*42 + 2(90*34) + 2(42*34) = 12756.

Now find Surface area of the half cylinder:

The diameter of the 2 half circles = 42 so the radius = 21.

The area of the lid

= 2 + 1/2 π (21)^2 + π r * 90

= 7323,052

Total = 20079.052

7 0

2 years ago

brooke found the equation of the line passing through the points (-7,25) and (-4,13) in slope-intercept form as follows

Goryan [66]

Answer:

The equation of the line passing through the points (-7,25) and (-4,13) in slope-intercept form is $\mathbf{y=-4x-3}$

Step-by-step explanation:

Equation of line passing through the points (-7,25) and (-4,13) in slope-intercept form.

The general equation of slope-intercept form is: $y=mx+b$

First we need to find slope

The formula used for finding slope is: $Slope=\frac{y_2-y_1}{x_2-x_1}$

We are given: $x_1=-7, y_1=25, x_2=-4, y_2=13$

Putting values in formula and finding slope

$Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{13-25}{-4-(-7)}\\Slope=\frac{13-25}{-4+7}\\Slope=\frac{-12}{3}\\Slope=-4$

So, slope m= -4

Now finding y-intercept

Using slope m=-4 and point (-7,25) we can find y-intercept

$y=mx+b\\25=-4(-7)+b\\25=28+b\\b=25-28\\b=-3$

So, y-intercept b =-3

Now, the equation of required line having slope m=-4 and y-intercept b=-3 is:

$y=mx+b\\y=-4x-3$

So, the equation of the line passing through the points (-7,25) and (-4,13) in slope-intercept form is $\mathbf{y=-4x-3}$

3 0

2 years ago

Consider two bases B = {b1, b2, b3} and C = {c1, c2, c3} for a vector space V such that

Helen [10]

I’m a failure if you can just say “yes you are” in the comments

3 0

2 years ago

Factor completely 18b-12<br> Enter your answer in the boxes <br><br> _____(_____)

umka21 [38]

6b(3-2)
is the answer for your question

3 0

3 years ago

Find the areas of the sectors formed by ZDFE. Round your answers to the nealest hundredth.

Sonja [21]

Answer:

Step-by-step explanation:

Area of the sector is modeled by the expression = $\frac{\theta}{360}(\pi ) r^{2}$

Here, θ = central angle subtended by the arc

r = Radius of the circle

Area of the red sector = $\frac{137}{360}(\pi)(28)^{2}$

= 937.311

≈ 937.31 m²

Therefore, area of the red sector is 937.31 m².

3 0

2 years ago