All categories

3 years ago

Use the linear combination method to solve the system of equations.

Mathematics

2 answers:

laiz [17]3 years ago

6 0

Answer:

Figures

figure 2.1

Figure 2.1

figure 2.10

Figure 2.10

figure 2.12

Figure 2.12

figure 2.13

Figure 2.13

Step-by-step explanation:

guapka [62]3 years ago

6 0

Y=-3.34 x=-8.89

Combine two equations

0x-1.5y=5.01

-1.5y/-1.5=5.01/-1.5

y=-3.34

Plug in the y value for in one of the equations to solve for x.

-2.1x + 4(-3.34) = 5.3

-2.1x -13.36= 5.3

-2.1x = 18.66

-2.1x/-2.1 = 18.66/-2.1

x=-8.89

Plug in both values to validate the answer. Keep in mind there was rounding so the equation will not 100% be correct.

2.1(-8.89) - 5.5(-3.34) =

-18.66 + 18.37 = -0.29

-2.1(-8.89) + 4(-3.34) = 5.309

You might be interested in

This year the school basketball team spent $400 on uniforms. Next year they will spend $600. What was the percent increase?

MA_775_DIABLO [31]

The percent increase from $400 to $600 is 50%.

3 0

3 years ago

Read 2 more answers

Find the slope of the line that passes through the points (5,9) and (2,7).

lozanna [386]

2/3 is the correct answer for a line passing through the stated coordinates:)

7 0

3 years ago

Read 2 more answers

Evaluate the line integral, where C is the given curve. C (x + yz) dx + 2x dy + xyz dz, C consists of line segments (1, 0, 1) to

Bess [88]

Parameterize the first line segment $C_1$ by

$\vec r(t)=(1,0,1)(1-t)+(2,4,1)t=(1+t,4t,1)$

and the second line segment $C_2$ by

$\vec s(t)=(2,4,1)(1-t)+(2,6,4)t=(2,4+2t,1+3t)$

both with $0\le t\le1$ . Then

$\displaystyle\int_{C_1}(x+yz)\,\mathrm dx+2x\,\mathrm dy+xyz\,\mathrm dz$

$\displaystyle=\int_0^1\bigg((1+5t)\cdot1+2(1+t)\cdot4+(1-t)4t\cdot0\bigg)\,\mathrm dt$

$=\displaystyle\int_0^1(9+13t)\,\mathrm dt=\frac{31}2$

and

$\displaystyle\int_{C_2}(x+yz)\,\mathrm dx+2x\,\mathrm dy+xyz\,\mathrm dz$

$\displaystyle=\int_0^1\bigg((2+(4+2t)(1+3t))\cdot0+2(2)\cdot2+2(4+2t)(1+3t)\cdot3\bigg)\,\mathrm dt$

$\displaystyle=\int_0^1(32+84t+36t^2)\,\mathrm dt=86$

Then

$\displaystyle\int_C(x+yz)\,\mathrm dx+2x\,\mathrm dy+xyz\,\mathrm dz=\frac{31}2+86=\boxed{\frac{203}2}$

5 0

3 years ago

Over 6 days jim jogged 6.5 miles 5 miles 3 miles 2 miles 3.5 miles and 4 miles what is the mean distance that jim jogged each da

soldi70 [24.7K]

In order to identify the mean distance jogged by Jim for 6 days, we add up all of the distances and divide the sum by 6. That is,
sum = 6.5 + 5 + 3 + 2 + 3.5 + 4 miles
sum = 24 miles
Dividing the sum by 6 will give us an answer of 4 miles. Thus, Jim jogged an average of 4 miles for 6 days.

5 0

3 years ago

Read 2 more answers

In sentence 7, the phrase by all accounts is best

hram777 [196]

In sentence 7, the phrase by all accounts is best replaced by however.

Correct option is A

The sentence that precedes 7 states something that is in contrast with it.
Therefore 'by all accounts' in sentence should be changed to 'however' as it is generally used to present something that is different from or contrasts with the previous statement.
Thus A is the best answer. The other options are incorrect because they do not convey the contrast that is required in the given context.

What is a phrase in grammar?

In syntax and grammar, a phrase is a group of words which act together as a grammatical unit.
For instance, the English expression "the very happy squirrel" is a noun phrase which contains the adjective phrase "very happy".
Phrases can consist of a single word or a complete sentence.

Learn more about Phrases

brainly.com/question/15806900

#SPJ4

5 0

1 year ago