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san4es73 [151]
3 years ago
12

Minxia counted 40 green cars and 20 silver cars in the parking lot. If the number of green cars stays the same, how many more si

lver cars would need to be added so the ratio of green cars to sliver cars is 1 to 3?
Mathematics
1 answer:
Sergio [31]3 years ago
7 0

Answer:

100

Step-by-step explanation:

Multiply 40 by 3 because 40 is 1/3 and find the answer for 3/3.

I got 120, subtract 20 from 120 beacause there is 20 silver cards. The answer is 100

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What is The answer to 1/6x+12=1/2(x-6)
mr Goodwill [35]

Answer:

negative infinite, negative 72

Step-by-step explanation:

i looked it up on google

6 0
3 years ago
How many of the first 1000 positive integers are multiples of both 4 and 5 but not 6 ?
castortr0y [4]
Let's begin by breaking  each number down into its prime factors:    4 = 2 x 2    5 = 5    6 = 2 x 3 Next, let's determine the Lowest Common Multiple (LCM) of the numbers 4, 5, and 6 by multiplying all common and unique prime factors of each number:    common prime factors: 2    unique prime factors:  2,5,3    LCM = 2 x 2 x 5 x 3 = 60 Next, let's determine how many times 60 goes into 10,000 (excluding remainder):    10,000/60 = 166 and 2/3    Multiples of ALL 3 numbers (4,5,6) = 166  Next, let's determine the Lowest Common Multiple (LCM) of the numbers 4 and 5 by multiplying all common and unique prime factors of each number:    common prime factors:  none
    unique prime factors:  2 x 2 x 5
    LCM = 2 x 2 x 5 = 20 Next, let's determine how many times 20 goes into 10,000:
    10,000/20 = 500
    Multiples of BOTH numbers (4 and 5) = 500 Finally, let's subtract the multiples of ALL three numbers (4,5,6) from the multiples of BOTH numbers (4 and 5) to get our answer:   Multiples of ONLY numbers 4 and 5 (excluding 6):       500 - 166 = <span>334</span>
5 0
3 years ago
the table below shows the function of f determine the value of f(3) that will lead to an average rate of change of 19 over the i
3241004551 [841]

ANSWER

f(3) =  - 25

EXPLANATION

We want to determine the value of f(3) that will lead to an average rate of change of 19 over the interval [3, 5].

The average rate of change of f(x) over the interval [a,b]:

=  \frac{f(b) - f(a)}{b - a}

If the average rate of change over the interval [3, 5] is 19, then;

\frac{f(5) - f(3)}{5 - 3}  = 19

From the to table f(5)=13

\frac{13 - f(3)}{2}  = 19

13 - f(3) = 19 \times 2

13 - f(3) = 38

- f(3) = 38 - 13

- f(3) = 25

f(3) =  - 25

7 0
3 years ago
Y=x+2 4x+3y= -36 system of equation
Free_Kalibri [48]

Answer:

(-6, -4)

Step-by-step explanation:

Use substitution.

Since y is already isolated, substitute it into the y of: 4x+3y=-36.

You should get: 4x+3(x+2)=-36

Simplify this and you'll get:

4x+3x+6=-36

Add both of the variables:

7x+6=-36

Add -6 to both sides, (because there is a -36 on one side, and a 6 on the other, you have to add a negative to eliminate the 6 whilst adding to the -36)

7x=-42

Divide both sides by 7:

x=-6


Now substitute this into y=x+2

y=-6+2

y=-4

4 0
3 years ago
Read 2 more answers
Scale factor for a model is 15cm. Actual =55.5m. model. =25.25. What is the meter
Rasek [7]
We calculate for the actual length of the thing in the model that measures 25.25 by multiplying this value by the scale factor. That is,
                             (25.25 cm) x (55.5 m / 15 cm) = 93.425 m
Therefore, the real dimension of the object is approximately 93.43 m. 
3 0
3 years ago
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