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kobusy [5.1K]
2 years ago
10

Which of the following best describes the solution to the equation below?

Mathematics
1 answer:
wolverine [178]2 years ago
4 0

Answer:

The answer should be D

24x+21=-36x-8

subtract 8 from both sides

24x+29=-36x

add 24x to both sides

29=-60x

simplify

x=- 29/60

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Please can I have an explanation also, I am terrible at these kinds of questions!
wlad13 [49]

Answer:

<em>The fraction of the beads that are red is</em>

Step-by-step explanation:

<u>Algebraic Expressions</u>

A bag contains red (r), yellow (y), and blue (b) beads. We are given the following ratios:

r:y = 2:3

y:b = 5:4

We are required to find r:s, where s is the total of beads in the bag, or

s = r + y + b

Thus, we need to calculate:

\displaystyle \frac{r}{r+y+b}       \qquad\qquad    [1]

Knowing that:

\displaystyle \frac{r}{y}=\frac{2}{3}      \qquad\qquad    [2]

\displaystyle \frac{y}{b}=\frac{5}{4}

Multiplying the equations above:

\displaystyle \frac{r}{y}\frac{y}{b}=\frac{2}{3}\frac{5}{4}

Simplifying:

\displaystyle \frac{r}{b}=\frac{5}{6}       \qquad\qquad    [3]

Dividing [1] by r:

\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{1+y/r+b/r}

Substituting from [2] and [3]:

\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{1+3/2+6/5}

Operating:

\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{\frac{10+3*5+6*2}{10}}

\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{10}{10+15+12}

\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{10}{37}

The fraction of the beads that are red is \mathbf{\frac{10}{37}}

8 0
2 years ago
Can someone please help if you can you are amazing and awesome
Ainat [17]

Answer:

domain(-4,6) and range(-1, 8)

Step-by-step explanation:

domain is an imput on x axis, and range on y

4 0
3 years ago
Select two ratios equivalent to the ratio of white socks to brown socks. pls help
Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

You have  to do total ratio

that will give you 20/15

4 0
2 years ago
Can anyone please help with this.
Eddi Din [679]
The first question answer is 21*10^7
The second question answer is 5*10^2
7 0
3 years ago
How many times does the line y=-6 intersect with the circle x^2+y^2=36?
HACTEHA [7]

Answer:

a) The line intersects with the circle once.

b) Tangent

Step-by-step explanation:

We are given the following equation for the circle:

x^2 + y^2 = 36

How many times does the line y=-6 intersect with the circle?

We have to find the values of x when y = -6

So

x^2 + y^2 = 36

x^2 + (-6)^2 = 36

x^2 + 36 = 36

x^2 = 0

x = 0

Since the line intersects the circle at one point, it is tangent to the circle.

The line intersects with the circle once.

4 0
3 years ago
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