Show how to solve the promblem 378 times 6 using place value

Answers

Answer 1

Answer: the answer is 2,268 that is the work

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Use substitution to solve the system of equations below. Input your answer for x.x + 3y = 162x - y = 4
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sarita recorded the distances she ran for 5 days:5 miles,4mi,5.5mi,4.5,5.5 what is the mean distance sarita ran

What are the coordinates of the midpoint line segment for (4,4 ) and (0,5)

Answers

Answer:

(2, 4.5)

Step-by-step explanation:

The midpoint is the average of the end points.

M = (A + B)/2

= ((4, 4) + (0, 5))/2

= ((4+0)/2, (4+5)/2)

= (2, 4.5)

Name two different numbers that round to 9.2 when rounded to the nearest tenth????

Answers

9.21, 9.22, 9.23, 9.24, or 9.25 would all work.

on one of s football stadium are 30 suites on the circle level. fourteenth of the suites have 24 seats each, and the rest have 18 .

Answers

30-14 gives you your answer
16

30-14 gives you your answer 16 have a nice day :):):):):):):):):):):):)

Last year. Betsy sold oranges at $7 per crate. This year there was a bumper harvest, so she dropped the priceby 12%. What is the new sale price of a crate of oranges?

Answers

$6.16
12% of $7 = 0.84
$7 - $0.84 = $6.16

What is 3 7/9 as an improper fraction?

Answers

The improperfraction of 3 7/9 is 33/9.

What is Improper Fraction?

A fraction that has the numerator higher than or equal to the denominator is said to be inappropriate.

When the numerator (upper number) exceeds the denominator, the fraction is said to be improper (bottom number).

Given:

We have to change 3 7/9 as an improper fraction.

As, we know that improper fraction have

So, 3 7/9

= ( 9 x 3 +7) /9

= (27 + 7)/ 9

= 33/ 9

Learn more about improper fraction here:

brainly.com/question/21449807

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$3 (7)/(9)= (3x9+7)/(9)= (34)/(9) \n \n Solution: (34)/(9)$

50 POINTS! Vectors u, v, and w are shown in the graph. What are the magnitude and direction of u + v + w? Round the magnitude to the thousandths place and the direction to the nearest degree.

Answers

Answer:

C) 48.786, 152°

Step-by-step explanation:

To add the vectors u, v and w, we first need to rewrite each vector in component form (where vectors are represented using the unit vectors i and j along the x and y axes).

The (x, y) components of a vector, given its magnitude (r) and direction (θ), are (r cos θ, r sin θ), where θ is measured in the anticlockwise direction from the positive x-axis.

Every vector in two dimensions is made up of horizontal and vertical components, so any vector can be expressed as a sum of i and j unit vectors. Therefore, the i + y form of a vector is:

(r cos θ) i + (r sin θ) j

So, the component form of the given vectors are:

$\mathbf{u}=80 \cos 230^(\circ)\textbf{i}+80 \sin 230^\circ}\textbf{j}$

$\mathbf{v}=60 \cos 120^(\circ)\textbf{i}+60 \sin 120^\circ}\textbf{j}$

$\mathbf{w}=50 \cos 40^(\circ)\textbf{i}+50 \sin 40^\circ}\textbf{j}$

Sum the vectors:

$\mathbf{R}=\mathbf{u}+\mathbf{v}+\mathbf{w}\n\n\mathbf{R}=(80 \cos 230^(\circ)+60 \cos 120^(\circ)+50 \cos 40^(\circ))\textbf{i}+(80 \sin 230^\circ}+60 \sin 120^\circ}+50 \sin 40^\circ})\:\textbf{j}\n\n\mathbf{R}=-43.1207866\:\textbf{i}+22.8173493\:\textbf{j}$

$\textsf{For a vector\;\;$\mathbf{a} = x\mathbf{i} + y\mathbf{j}$, its magnitude is\;\;$||\mathbf{a}|| = √(x^2+y^2)$.}$

Calculate the magnitude of the resultant vector ||R||:

$\mathbf{||R||}=√((-43.1207866)^2+(22.8173493)^2)\n\n\mathbf{||R||}=48.7855887...\n\n\mathbf{||R||}=48.786$

The direction θ can be found by finding the angle with the horizontal, which is given by:

$\boxed{\theta=\tan^(-1)\left((y)/(x)\right)}$

As the resultant vector is in quadrant II (since the i component is negative and the j component is positive), we need to add 180° to the value of tan⁻¹(y/x). Therefore:

$\theta=\tan^(-1)\left((22.8173493)/(-43.1207866)\right)+180^(\circ)$

$\theta=-27.8855396+180^(\circ)$

$\theta=152.114460^(\circ)$

$\theta=152^(\circ)\; \sf (nearest\;degree)$

Therefore:

Magnitude = 48.786
Direction = 152°

The answer is c :48.786; 152°

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