Solve the equation 4+0.3x=19

Answers

Answer 1
Answer: Step #1).  Subtract 4 from each side of the equation.

Step #2).  Divide each side by 0.3 .

At this point, be careful.  The answer will jump up off the paper
into your face.
Answer 2
Answer:


4+0.3x=19

0.3x=19-4

0.3x=15

x=15/0.3

x=50


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Using the numbers 2,3,5,8 ounce to make an equation to  equal 104

Answers

Do you mean ounce or once

Teni has 16 berries .she has a number of berries two greater than marta .use cubes to model the sets of berries .compare the sets which set has a larger amount ?

Answers

Marta has 18 berries and Teni has 16

Cara ran 3 miles in 30 minutes. What is her constant rate of change in miles per hour?

Answers

Answer:

6 mph

Step-by-step explanation:

3 miles -----> takes 30 minutes

recall that 30 minutes = 1/2 an hour = 0.5 hours

hence,

3 miles -----> takes 30 minutes = 0.5 hrs

therefore her rate of change (i.e speed) in mph

= number of miles ran ÷ time taken in hours

= 3miles ÷ 0.5hrs

= 6 mph

Answer:

curious if you got this one?

Which does NOT represent a constant rate of change of 70 miles per hour for a car?

Question 4 options:

The car travels 245 miles in 3.5 hours.

The car travels 140 miles in 2 hours.

d = 70t, where d represents distance in miles and t represents time in hours.

d = 70t, where d represents distance in kilometers and t represents time in hours.

Step-by-step explanation:

The length of the hypotenuse of a right triangle is 20 feet and the length of one leg is 16 feet find the length of the other leg

Answers

This is a problem for which you will have to use the Pythagorean theorem.

The Pythagorean theorem states that:

x^2 + y^2 = h^2

where x and y are the legs, and h is the hypotenuse.

Let h = 20 ft, and x = 16

16^2 + y^2 = 20^2

Now, solve for y.

256 + y^2 = 400.
256 - 256 + y^2 = 400 - 256
y^2 = 144
y = 12

The length of the other leg is 12 feet.

Which ordered pairs in the form (x, y) are solutions to the equation (x + 3)y = 14?

Choose all answers that are correct.

A.
(−5, −7)

B.
(−1, 7)

C.
(10, −2)

D.
(11, 1)

Answers

((-5)+3)(-7) = 14
(-2)(-7) = 14
14 = 14
True
A is a solution.


((-1)+3)(7) = 14
(2)(7) = 14
14 = 14
True
B is a solution.

((10)+3)(-2) = 14
(13)(-2) = 14
-26 = 14
False
C is not a solution.

((11)+3)(1) = 14
(14)(1) = 14
14 = 14
True
D is a solution.

(5×^2-4x-1)-(4x^2-4) how do i simplify this

Answers

simplify whatever is in the parenthesis:

(5×^2-4x-1) and (4x^2-4) 

after that subtract the numbers you got from both 
parenthesis after simplifying