what is 1/2x + 8 < -4 ?

Answer:

d = 1.75 miles

Step-by-step explanation:

A track team ran 8 and 3/4 miles in 5 days.

We need to find the distance covered by it each day. Let the distance is d.

[tex]8\dfrac{3}{4}[/tex] miles in 5 days

or

[tex]\dfrac{35}{4}[/tex] miles in 5 days.

[tex]1\ day=\dfrac{\dfrac{35}{4}}{5}\\\\=1.75\ \text{miles}[/tex]

So, each day the team will cover 1.75 miles.

Answer:

The system of equations is given as:

x + y = 2.5 .... Equation 1

1.8x + 1.8y = 4.05....Equation 2

Step-by-step explanation:

Kiran says, "I bought 2.5 pounds of red and yellow lentils. Both were $1.80 per pound. I spent a total of $4.05

Let

x represent red lentils

y represent yellow lentils.

x + y = 2.5 .... Equation 1

x = 2.5 - y

$1.80 × x + $1.80 × y = $4.05

1.80x + 1.80y = 4.05....Equation 2

The system of equations is given as:

x + y = 2.5 .... Equation 1

1.8x + 1.8y = 4.05....Equation 2

Answer:

53+2(32)+3-10

Step-by-step explanation:

you can't move the 32 from 2(32)

Answer:

100

Step-by-step explanation:

So in this problem, we have 5 base 10 blocks and 50 ones.

To find out the product we have to count by tens:

10, 20, 30, 40, 50

So 5 base 10 blocks = 50

Now we add the base ten blocks and the ones together:

50 + 50 = 100

So the answer is 100

Answer:38

Step-by-step explanation:y= 19x

                                           y=19(2)

                                           y=38

                                  You plug in x as 2 since when x=2 .and u do 19 times 2 which gives you 38 .

Hope it helps u ;)

Answer: Distance traveled in one second by car = 374 ÷ 17= 22 meters

Step-by-step explanation:  

Distance traveled by bus in one second = 414 ÷ 23 = 18 meters. Car travels faster. It travels 4 meter more in one second than Bus.

Answer:

B?

Step-by-step explanation:

What is the multiple choice here? I can only assume that it meant 51 miles/ 3 gallons but I can't be certain.

Answer: $6.04

Step-by-step explanation:

add 65.25 and 86.50 you get 151.75 then do 157.79-151.75 and you get 6.04

Answer:

its D

Step-by-step explanation:

i took the quiz dont listen to the othr guy

Answer:

down 2, right 1

Step-by-step explanation:

Here, we want to know what -2 means for the slope

The following conventions are necessary to be known;

down is negative

left is negative

up is positive

right is positive

Thus;

Since the slope is actually vertical change/ horizontal;

The 2 value must be in respect to the y-axis

Hence;

up 2 right 1 is positive

down 2 left 1 is positive since both are negatives

The correct answer is thus;

down 2, right 1

Answer:

B because that is how you do substitution and all of the other ones do not make sense

Answer: 9.6 would be the correct answer.

Answer:

9.6

Step-by-step explanation:

I used a calculator

Hope this helps. Have a nice day you amazing bean child.

Answer:

x=9

Step-by-step explanation:

By the Isosceles Triangle Theorem the angles opposite to the congruent angles in an isosceles triangle are congruent.

So 2x-10=8

x=9

Answer:

3

Step-by-step explanation:

What we can see from your table is that as x goes up by 1 y goes down by one

This means that the slope is -x

We also see that when x=0 y=6 which means that the y intercept is 6

this means your equation is

-x+6

We can now plug in x for 3 and get

-3+6=y

y=3

the answer is 3

Answer: There are 3 quarters , 9 dimes and 14 pennies.

Step-by-step explanation:

Let x= Number of quarters

Then, Number of dimes = 3x

Number of pennies = 3x+5

1 quarter = $ 0.25

1 dime = $0.10

1 penny = $ 0.01

So, Total amount = 0.25x+ 0.10(3x) + 0.01(3x+5)

= 0.25x+0.30x+ 0.03x+0.05

= 0.58x+0.05

Since Total amount = 1 dollar and 79 cents = $ 1.79  [1 cent = $ 0.01]

So,

[tex]0.58x+0.05=1.79\\\\\Rightarrow\ 0.58x= 1.74\\\\\Rightarrow x=\dfrac{1.74}{0.58}\\\\\Rightarrow x=3[/tex]

Thus, there are 3 quarters , 9 dimes , 14 pennies.

Answer:

Step-by-step explanation:

there are 3 quarters , 9 dimes , 14 pennies.

Answer:

x = 2

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Step-by-step explanation:

Step 1: Define

7x + -4 = 3(x - 7) + 25

Step 2: Solve for x

Answer:

260

Step-by-step explanation:

Answer:

the answer is 360

there are 100% in total but only 40% like hip-hop

40%=100 meaning 60%=260

also meaning 100%= 360

Answer:

The equation is;

y = 20x + 150

Step-by-step explanation:

Firstly, let us identify the coordinates

(area, cost of area)

We start by getting the points;

(25,650) and (40,950)

The slope will be;

m = (y2-y2)/(x2-x1)

m = (950-650)/(40-25)

m = 300/15 = 20

So the partial equation is;

y = 20x + c

To get the value of c which is the y-intercept, we make use of any of the two points

650 = 20(25) + c

650 = 500 + c

c = 650-500

c = 150

Answer:

y =20 x + 25 (answer B in the list of options)

Step-by-step explanation:

y = 25 + 20 x = 20 x + 25

being 25 the flat fee and 20 the price per bottle

Answer:

B. y = 20x + 25

Step-by-step explanation:

The flat fee of $25 is our b, and the fee of $20 is our m. When we put this in slope intercept form, it looks like y = 20x + 25. That means B is the correct answer.

Answer:

whats question ?

Step-by-step explanation:

9514 1404 393

Answer:

  f^-1(x) = -2(x +5)

Step-by-step explanation:

Solve for x.

  y +5 = -1/2x . . . . . add 5

  -2(y +5) = x . . . . . multiply by -2

If you want this in "functional form", you can write it as ...

  f^-1(x) = -2(x +5) . . . . . swap x and y, then use f^-1(x) for y

Answer:

g=9

Step-by-step explanation:

assuming you actually meant 45/g, then it would be 5g=45

9514 1404 393

Answer:

Step-by-step explanation:

The angles marked with x-expressions are complementary, so ...

  (3/4x -2) + (2/5x) = 90

  x(3/4+2/5) = 92 . . . . . . . add 2

  x(23/20) = 92 . . . . . . . . combine the fractions

  x = 92(20/23) . . . . . . . . multiply by 20/23

  x = 80

__

The angle marked y° is a vertical angle with the angle that is the sum of 90° and (2/5x)°. So, the value of y is ...

  y = 90 + 2/5(x) = 90 +2/5(80) = 90 +32

  y = 122

Answer:

18

Step-by-step explanation:

brainliest plsssssssss

Answer:

18

Step-by-step explanation:

Someone deleted my first answer :(

9514 1404 393

Answer:

  [tex]\dfrac{5}{2}\left(k-\dfrac{4}{5}\right)[/tex]

Step-by-step explanation:

When you factor out 5/2, each term gets divided by 5/2. Equivalently, each term is multiplied by 2/5.

  [tex]\dfrac{5}{2}k-2=\dfrac{5}{2}\cdot\dfrac{2}{5}\left(\dfrac{5}{2}k-2\right)=\dfrac{5}{2}\left(\dfrac{2}{5}\cdot\dfrac{5}{2}k-\dfrac{2}{5}\cdot2\right)\\\\ =\boxed{\dfrac{5}{2}\left(k-\dfrac{4}{5}\right)}[/tex]

Answer:

His total hours he worked is;

21

Step-by-step explanation:

The of hours between 9:00 A.M.  and 4:30 P.M. are;

[tex]\begin{array}{ccc}From \ 9:00 \, A.M. & to \ 10:00\, A.M. & = 1 \, Hour\\From \ 10:00 \, A.M. & to \ 11:00\, A.M. & = 1 \, Hour\\From \ 11:00 \, A.M. & to \ 12:00 \, P.M. & = 1 \, Hour\\From \ 12:00 \, P.M. & to \ 1:00 \, P.M. & = 1 \,Hour\\From \ 1:00 \, P.M. & to \ 2:00 \, P.M. & = 1 \,Hour\\From \ 2:00 \, P.M. & to \ 3:00 \, P.M. & = 1 \,Hour\\From \ 3:00 \, P.M. & to \ 4:00 \, P.M. & = 1 \,Hour\\From \ 4:00 \, P.M. & to \ 4:30 \, P.M. & = 0.5 \, Hour \end{array}[/tex]

Sum of the hours Harold Crispen spends at the workplace on a workday = (1 + 1 + 1 + 1 + 1 + 1 + 1 + 0.5) hours = 7.5 hours

The time Harold Crispen take for launch each workday = 0.5 hour

The number of hours Harold Crispen spend working each day = (7.5 - 0.5) hour

The number of hours Harold Crispen spend working each day = 7.0 hours/day

The number of days he worked = Monday + Tuesday + Thursday = 3 days

The total hours he worked = (The number of hours he works each day) × (The number of days he worked)

His total hours he worked = 7.0 hours/day × 3 days = 21.0 hours.

Answer:

slope = 5

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 4, - 3) and (x₂, y₂ ) = (- 3, 2) ← 2 points on the line

m = [tex]\frac{2-(-3)}{-3-(-4)}[/tex] = [tex]\frac{2+3}{-3+4}[/tex] = [tex]\frac{5}{1}[/tex] = 5

Answer:

-235

Step-by-step explanation:

hope that helps :)))