Algebra I need help!

Answer:

i tryed ;-;..

Step-by-step explanation:

Answer:

690,000

Step-by-step explanation:

The 8 is the ten thousands place- 685,135

If the number after the 8, (in this case 5) is 0-4, round to 8. If the number after the 8 is 5-9, round up to 9.

Answer:

-11y+19

Step-by-step explanation:

-2y+(-9y)+14+5=-11y+19

Answer:

-11y+19

Step-by-step explanation:

-2y-9y+14+5

-11y+14+5

-11y+19

Hope this helps!

Answer:

Lydia's address is Cypress Street is: 51823

Step-by-step explanation:

Represent the digit as ABCDE such that:

A = Ones

B = Tens

C = Hundred

D = Thousand

E = Ten Thousand

Analyzing the statements one after the other:

The tens digit is 6 less than 7.

[tex]B = 7 - 6[/tex]

[tex]B = 1[/tex]

The thousands digit is twice the digit in the tens place.

[tex]D = 2B[/tex]

[tex]D = 2 * 1[/tex]

[tex]D = 2[/tex]

The hundreds digit is the greatest even number that is less than 10.

[tex]C = 8[/tex]

The ones digit is the product of 5 and 1.

[tex]A = 5 * 1[/tex]

[tex]A = 5[/tex]

The ten thousands digit is the difference between the hundreds digit and the ones digit.

[tex]E = C - A[/tex]

[tex]E = 8 - 5[/tex]

[tex]E = 3[/tex]

Lydia's address is Cypress Street is: 51823

Answer:

15 units

Step-by-step explanation:

We can calculate the value of x using Euclidean theorem

x^2 = 9 × 25 ➡ x^2 = 225

x = 15

Answer:

12 [tex]cm^2[/tex]

Step-by-step explanation:

The area of a triangle is [tex]\frac{bh}{2}[/tex]. Here, b = 8, h = 3. So 8*3/2 = 12. The units is [tex]cm^2[/tex].

So the answer is 12 [tex]cm^2[/tex].

Answer:

12 cm

Step-by-step explanation:

[tex] \frac{1}{2} \times 3 \times 8 = 12[/tex]

area = 1/2 base height

Answer:

Step-by-step explanation:

2x + 3 = x/2 + 4

2x - x/2 = 4 - 3

3x/2 = 1

x = 1 (2) / 3

x = 2/3

substitute the value of x=2/3 back into the equation:

2(2/3) + 3 = (2/3)/2 + 4

4/3 + 3 = 1/3 + 4

Answer:

8/12

Step-by-step explanation:

Simplified = 2/3

Answer:

2/3

Step-by-step explanation:

1. 1 year is 12 months.

2. Divide 8 with 12.

8/12 = 2/3

3. The fraction would be 8/12, but simplified would be 2/3.

Hope this helped!

Answer:

3 hours

Step-by-step explanation:

44-6= 38 (1 hour)

38-6= 32 (2 hours)

32-6= 26 (3 hours)

Answer:

The Slope is -1/3

Step-by-step explanation:

Hope This Helps!

Plz Mark Brainliest

Answer:337.5

Step-by-step explanation:

.5/75=2.25/x

X=2.25*75/.5 =337.5

Answer:

d

Step-by-step explanation:

parallel lines NEVER touch

Answer:

I believe it is 64 ( I might be wrong)

Step-by-step explanation:

ok so in the picture, the top of the rectangle has 8 square units so that means that the base also has 8 square units and if you look at the sides they also have 8 square unit so:

8 x 4 = 32

and then in the picture, the face of the rectangle has 16 square units so the other face also has 16 square units so:

16 x 2 = 32 plus the 32 from the sides in 64

hope that helps : )

Answer:

-12x

Step-by-step explanation:

2(-3x - 6) -6x +12

-6x - 12 -6x +12

-12x

your welcome

Answer:

S = 9, E = 5, N = 6, D = 7, M = 1, O = 0, R = 8, Y = 2

Step-by-step explanation:

The given letters are;

SEND

MORE

MONEY

If we are to add the first two words to get the third word, then we have;

SEND + MORE = MONEY

Where, the letters are unique digits

The maximum value of M = 1, because, the two words are in thousands and their sum is in tens of thousands, they can make up to only a 10

Therefore, S = 9

O = 0

D + E = 10 + Y

1 + N + R = 10 + E

1 + E  = N

∴ 1 + N + R = 10 + E gives;

1 + 1 + E + R = 10 + E

R = 10 + E - (1 + 1 + E) = 8

R = 8

We have;

9 XXX + 108X = 10XXX

From 1 + N + R = 10 + E, we have;

1 + N + 8 = 10 + E

END + RE = NEY

E(1 + E)D + 8E = (1 + E)EY

(1 + E)EY - E(1 + E)D = 8E

10 + Y - D = E

By trial and error, we have;

If Y = 2 and D = 3, we have E = 9 which is not unique

Y = 4 and D = 3, we have E = 11 which is a double digit

Y = 2 and D = 7, we have E = 5

∴ N = 6 which is unique

Trying the combination gives;

S = 9, E = 5, N = 6, D = 7, M = 1, O = 0, R = 8, Y = 2

SEND + MORE = MONEY → 9567 + 1085 = 10652 which is correct.

Answer:

3/20

Step-by-step explanation:

Answer:

top left is 2x²

top right -6x

bottom left -1

bottom right 3

Answer:

5a + 2

Step-by-step explanation:

To find h(a + 1), substitute x = a + 1 into h(x), that is

h(a + 1) = 5(a + 1) - 3

            = 5a + 5 - 3

            = 5a + 2

Answer:

The position of the equipment elevator is 315 feet deep.

The position of the elevator of the miners is 208 feet deep.

At that time, the equipment elevator is deeper.

Step-by-step explanation:

Observation: Seems the numbers are doubled. 77 instead of 7; 1313 instead of 13; 2929 instead of 29; and 1616 instead of 16.

Hence, the question is:

A gold mine has two​ elevators, one for equipment and another for the miners. The equipment elevator descends 7 feet per second. The elevator for the miners descends 13 feet per second. One​ day, the equipment elevator begins to descend. After 29 ​seconds, the elevator for the miners begins to descend. What is the position of each elevator relative to the surface after another 16 ​seconds? At that​ time, which elevator is​ deeper?

Step-by-step explanation:

From the question,

For the equipment elevator

Speed= 7 feet/second

For the elevator of the miners,

Speed= 13 feet/second

To determine the positions of each elevator relative to the surface, we will determine the distance each of the elevator descends.

From the formula

Speed= Distance / Time

Then,

Distance = Speed × Time

From the question,

The equipment elevator begins to descend and after 29 ​seconds, the elevator for the miners begins to descend. To determine the position of each elevator after another 16 ​seconds. That is, the equipment elevator descends for a total of (29+16) seconds and the elevator of the miners descends for 16 seconds.

For the equipment elevator

Speed= 7 feet/second

Time = 29 + 16 seconds = 45 seconds

From,  Distance = Speed × Time

∴ Distance = 7 feet/second × 45 seconds

Distance = 315 feet

Hence, the position of the equipment elevator is 315 feet deep.

For the elevator of the miners

Speed = 13 feet/second

Time = 16 seconds

Distance = Speed × Time

∴ Distance = 13 feet/second × 16 seconds

Distance = 208 feet

Hence, the position of the elevator of the miners is 208 feet deep.

At that time the equipment elevator is deeper.

Answer:

32 days

Step-by-step explanation:

Answer:

The  value  is [tex]E =19.6 [/tex]

Step-by-step explanation:

From the question we are told that

  The mean of Jo  cows is  [tex]\= x_1 = 1350[/tex]

  The standard deviation of Jo cow is  [tex]s_1 =  50[/tex]

  The mean of Val  cows is [tex]\= x_2  = 1420 [/tex]

   The standard deviation of Val  cows  is  [tex]s_2 =  50[/tex]

    The sample size for both Val  and  Jo  is  n = 25

Let assume that the level of significance is  [tex]\alpha = 0.05[/tex]

Generally from the normal distribution table the critical value  of  [tex]\frac{\alpha }{2}[/tex] is  

   [tex]Z_{\frac{\alpha }{2} } =  1.96[/tex]

Generally the margin of error is mathematically represented as  

      [tex]E = Z_{\frac{\alpha }{2} } *  \frac{\sigma }{\sqrt{n} }[/tex]

Hence margin of error for Jo is  

=>   [tex]E = 1.96 *  \frac{50}{\sqrt{25} }[/tex]

=>   [tex]E =19.6 [/tex]

Answer:

-37

Step-by-step explanation:

-7-30

=-37

You are adding the negatives therefore, you will get a larger number of negatives.

Answer:100%

Step-by-step explanation:

Answer: 100%

Step-by-step explanation:

Answer:

y = (-1/2)x + 4

Step-by-step explanation:

Slope (m): (-1/2)

down one, right two

y-intercept (b): 4

y = mx + b

The slope-intercept equation if the line is [tex]y=-\frac{1}{2}x+4[/tex]

To find the slope, you must put the 2 points into the slope equation.

[tex]\frac{3-4}{2-0}=\frac{-1}{2}[/tex]

And to find the y-intercept, you must find where the line crosses the y-axis.

(0,4)

Answer: 18

Step-by-step explanation:

90 / 10 = 9 (10%)

9 x 8 = 72 (80%)

90 - 72 = 18 (20%)

Answer:

The answer is B.8 games,9 rides

Answer:

4

Step-by-step explanation:

Answer:

a = 4

Step-by-step explanation:

to get from 16 to 2 you have to divide 16 by 8

to get from 32 to a you have to do the same to the numerator

Answer:

Step-by-step explanation:

74/100 or 37/50

Answer:

p = 1.2

Step-by-step explanation:

The given equation is :

–4.6p – 6.3p + 3.9 = –9.18

Combining the like terms,

–4.6p – 6.3p = -9.18 - 3.9

−10.9p = −13.08

⇒ [tex]p=\dfrac{-13.08}{-10.9}\\\\p=1.2[/tex]

Hence, the value of p is 1.2