Solve by using matricies.
4x + 9y = 17
6x - 3y = 8
( ? , ? )
Write your answer as a decimal rounded to the nearest thousandth.

Answer:

A) the width is 89

B) if area is 7007, the length is 91

Step-by-step explanation:

Answer:

A: 89 m

B: 91 m

Step-by-step explanation:

A: P=2(L+W)

   P=2L+2W

P=2(99)+2W

2W=376-198=178

W=178/2=89m

B: A=L×W

   7007=L×77

L=7007/77=91

L=9l m

Step-by-step explanation:

it's an Equilateral triangle

the base angels are equal

A=100°

B=40°

C=40°

The required vertex angle will be  100° in the given figure.

An Isosceles Triangle is defined as a triangle with two sides of equal length is an isosceles triangle.

The triangle given in the figure is an Isosceles triangle.

It is given that side AB is equal to side AC.

So ∠B = ∠C = 40°

Now we know that the sum of angles of a triangle is equal to 180°. So here in this triangle ABC. These are the sum of these three angles will be equal to 180.

As per the given figure,

∠A + ∠B +∠C = 180°

∵ ∠B = ∠C = 40°

∠A + 40° +40° = 180°

∠A + 80° = 180°

∠A = 180° - 80°

∠A = 100°

Therefore, the required vertex angle will be  100° in the given figure.

Learn more about Isosceles Triangle here:

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Answer:

width=2 ft, length=(3x+4)ft

Area of Rectangle=width x length

                             =2ft . (3x+4)ft

                             =6x+8 ft sq

Area of Rectangle <56 ft sq

6x+8 ft sq <56 ft sq

6x  < 56 ft sq - 8 ft sq

6x <  48 ft sq                       Substeracting  8  on both sides

6x/6 < 48 ft sq/6                 Dividing by    6 on both sides  

x < 8 ft sq

Step-by-step explanation:

Answer:

Step-by-step explanation:

The two triangles are similar and therefore we can set up a proportion

9/(9 + 72) = (3x - 20)/(3x - 20 + 56)       Combine like terms on the right

9/(81) = (3x - 20)/(3x + 36)                      Cross multiply

9(3x + 36) = 81 (3x - 20)                         Remove the brackets.

27x + 324 +1620 = 243x                        Add 1620 to both sides

27x + 324 + 1620 = 243x                       Subtract 27x from both

1944 = 216x                                            divide both sides by 216

x = 9                                  

If you feel comfortable canceling the size of the numbers can be reduced.

9/81 = 1/9

1/9 = (3x - 20)/(3x + 36)

3x + 36 = 9(3x - 20)

3x + 36 = 27x - 180

36 + 180 = 24x

216 = 24x

216/24 = x

x = 9

There is another cancelation possible, but this is simple enough.

Answer:

Step-by-step explanation:

Lol u think AM smArt to hice You the answer

Answer:

3 cuh

Step-by-step explanation:

15/3 = 5 9/3= 3

Answer:

50,000

Step-by-step explanation:

=100÷2[500÷5{6+4}]

=100÷2[500÷5×10]

=100÷2[100×10]

=100÷2×1000

=50×1000

=50000

Answer:

[tex]\approx 9.0\:\mathrm{units}[/tex]

Step-by-step explanation:

The magnitude of 3D vector [tex]\vec{v}[/tex] can be given by the following:

[tex]| \overline{v}| =\sqrt{{v_x}^2+{v_y}^2+{v_z}^2}[/tex]

Plugging in given values, we have:

[tex]| \overline{v}|=\sqrt{3^2+7.2^2+4.5^2},\\| \overline{v}| \approx \fbox{$9.0\:\mathrm{units}$}[/tex].

Answer: $59.5

170/100 * 85 = 144.5

144.5 - 85 = 59.5

If that is wrong my next guess is $144.50

Answer: y=6

Step-by-step explanation:

It is inverse so you know it’s y=k/x. Taking the first orders pair you find that k= -12. Then if you put it in y= -12/-2 you get 6 therefore y=6. Your welcome

Answer:

36

Step-by-step explanation:

4:5

16:n

16÷4=4

4×5=20

16:20

16+20=36

Answer:

36 fruits (I'm not sure, but I think it's correct)

Step-by-step explanation:

4 apples = 5 oranges

16 apples = ? oranges

4 x ? = 16

4 x 4 = 16

5 x 4 = 20

4 apples = 5 oranges

16 apples = 20 oranges

16 + 20 = 36 fruits

Answer:

1

Step-by-step explanation:

Answer:

53

Step-by-step explanation:

Answer:

53

Step-by-step explanation:

Answer:

62

Step-by-step explanation:

3 x 5 = 15

3 x 2 = 6

2 x 5 = 10

15 x 2 = 30

6 x 2 = 12

10 x 2 = 20

30 + 12 + 20 = 62

Answer:

33, 57

(not 100% sure this is correct)

Step-by-step explanation:

90= x +(24 +x)

(drag 90, plus the x's and drag the 24)

90 = 2x + 24

(Subtract 24 from 24 and 90 from 24)

66 = 2x

(Divide both by two)

33 = x

(now use x and plus it by 24)

24 + x = 57

okk

Step-by-step explanation:

hii

am

Jack

from

United State

America

Answer:

27 minutes.

Step-by-step explanation:

R = k/t

Substituting given info

600 = k/45

k = 45 * 600 = 27000

So the relation is S = 27000/t

So if R = 1000

1000 = 27000/t

t = 27000/ 1000

t = 27.

Answer: help you with what?

Step-by-step explanation:.-.

Haha. No need of money. But ask the question..

waiting..

Answer:Multiply the denominator on the bottom of the fraction by the whole number you are dividing by.

To divide a fraction by a whole number, multiply the bottom of the fraction by this whole number.

The denominator on the bottom of the fraction is 7.

We will multiply 7 by 2.

7 × 2 = 14 and so, 6 / 7 ÷ 2 = 6 / 14 .

Step-by-step explanation:

Answer:

To divide a fraction by a whole number, multiply the bottom of the fraction by this whole number

Step-by-step explanation:

hope this helps have a good rest of your day

Answer:

Pretty sure is 42

Step-by-step explanation:

5+10+8=23

65-23=42

The number of men will be​ 42 if there are 5 hens, 10 goats, and 8 cows.

It is defined as the expression in mathematics in which both sides are not equal they have mathematical signs either less than or greater than known as inequality.

We have:

In one house, there are 5 hens, 10 goats, and 8 cows.

Let H be man's head

H < 65

Total heads = 5 + 10 + 8 =23

Man's heds = 65 - 23 = 42

Thus, the number of men will be​ 42 if there are 5 hens, 10 goats, and 8 cows.

Learn more about the inequality here:

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Answer: 5(3n+4r)

Step-by-step explanation:You need to find the gcf/factor .So the gcf of 15 and 20 is 5.So know that you know the gcf ,you divide 15n by 5 which gives you 3n and divide 20r by5 which gives you 4r.Now the last thing you do is,take the GCF which is 5 and place a Parentheses and take 3n and 4r and add them together.

So you get 5(3n+4r) as your expression that  is equivalent to  15n + 20r .

Hope it helps . :)

Answer:

y=-1x+7

Step-by-step explanation:

Answer: x = 59°, y = 114°.

Step-by-step explanation:

The sum of the opposite angles of a quadrilateral in a circle is 180°.

y = 180° - 121° = 59°

The two angles being adjacent makes a total angle of 180° on the straight line.

x = 180° - (180°-114°) = 180° - 66° = 114°

Answer:

Answer choice C is correct

Step-by-step explanation:

24+16 ║ 4(6+4) or 8(3+2)

5+15   ║ 5(1+3)

16+20 ║ 4(4+5)

4+8     ║4(1+2) or 2(2+4)      

10+25 ║ 5(2+5)

12+36 ║ 12(1+3)

24+72 ║24(1+3) or 12(2+6)

40+96 ║8(5+12)

20+50 ║10(1+6)

12+44  ║4(3+11)

36+42 ║6(6+7)

10+60  ║ 10(2+5)

Answer:

Overage of actual vs. predicted: 2 hours

Step-by-step explanation:

Her Error is 100(2/3) = 66.7%