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2 years ago

Please help do tmrw

Mathematics

1 answer:

iren2701 [21]2 years ago

5 0

Answer:

One is 3x+2 while the other is 2x-1

Step-by-step explanation:

It is opposite to one another

the one with 3x+2 is opposite to the non given one and the one withb2x-1 is opposite

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Q13 A gardener needs to buy compost to fill this tub.

REY [17]

Answer:

5 bags

Step-by-step explanation:

The volume of the tub is the product of its dimensions:

V = (1.8 m)(0.5 m)(0.25 m) = 0.225 m³

There are 1000 L in 1 m³, so this volume in liters is ...

(0.225 m³)(1000 L/m³) = 225 L

At 50 L per bag, the gardener needs ...

(225 L)/(50 L/bag) = 4.5 bags

The gardener probably cannot purchase a partial bag, so must buy more than is needed.

The gardener must buy 5 bags of compost to fill the tub.

8 0

2 years ago

a line passes through the point (4 –6) and has a slope of -<img src="https://tex.z-dn.net/?f=%5Cfrac%7B5%7D%7B4%7D" id="TexFormu

yulyashka [42]

Answer:

$y = \frac{5}{4}x - 1$

Step-by-step explanation:

A line that passes through the point (4,-6) has a slope of 5/-4. Which of the following gives the equation of the line?

With the slope of 5/-4, and the ordered pair (4,-6) :

let m = 5/-4 (slope),

x1 = 4

y1 = -6

We can use those given values into the point-slope formula:

y - y1 = m(x - x1)

Plugging in those values will give you the answer:

y - (-6) = $\frac{5}{-4}$ (x - 4)

Distribute $\frac{5}{-4}$ into the terms inside the parenthesis:

y + 6 = $\frac{ 5}{-4}x$ + 5

Subtract 6 from both sides to isolate y:

y + 6 - 6 = $-\frac{ 5}{4}x$ +5 - 6

The equation of the line in slope-intercept form is:

$y = -\frac{ 5}{4}x - 1$

6 0

3 years ago

A large totem pole near Kalama, Washington, is 100 feet tall. On a particular day at noon it casts a 219-foot shadow. What is th

zhenek [66]

Answer: Angle of elevation of sun at that time is 24.51° .

Step-by-step explanation:

Since we have given that

Height of a large totem pole near Kalama, Washington = 100 feet

Length of a shadow at noon = 219 foot

We need to find the angle of elevation of sun at that time .

As we know the formula for "Tangent ":

$\tan\theta=\frac{AB}{BC}\\\\\tan\theta=\frac{100}{219}\\\\\tan\theta=0.456\\\\\theta=\tan^{-1}(0.456)\\\\\theta=24.51\textdegree$

Hence, Angle of elevation of sun at that time is 24.51° .

7 0

3 years ago

an airplane begins to descend for a landing. the elevation g (in feet) of the airplane is modeled by the function: g(t)= 4800-30

Fynjy0 [20]

Answer:

The y-intercept in this case is 4800

Step-by-step explanation:

The equation of a line graph is ;

y = mx + c

with respect to the given equation in the question, the y-intercept in this case is 4,800

In this case the y-intercept represent the height from which the plane starts to descend

7 0

3 years ago

What is the 3 equivalent fractions for <br> 0.75

Phoenix [80]

The three fractions that are all equivalent to 0.75 are . . .

75/100

15/20

3/4

6/8

12/16

72/96

111/148

114/152

330/440

729/972

6 0

3 years ago