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Gwar [14]
3 years ago
11

How do you model 4y in a bar model

Mathematics
1 answer:
geniusboy [140]3 years ago
7 0
The answer is on the paper

You might be interested in
Solve 2x2 + 20x = −38.
cestrela7 [59]
2x^2+20x=-38  divide both sides by 2

x^2+10x=-19, halve the linear coefficient, square it, than add that value to both sides of the equation, in this case add (10/2)^2=25...

x^2+10x+25=6  now the left side is a perfect square

(x+5)^2=6  take the square root of both sides

x+5=±√6  subtract 5 from both sides

x=-5±√6    (so answer c.)
4 0
3 years ago
What % of 3 1/3 is 6 1/4? I'm stuck...
BigorU [14]
You can manipulate the number to make them easier to handle

3 and 1/3 times 12=36+4=40
6 and 1/4 times 12=72+3=75
so is 40=100% then wha is 75
40 and 75
divide by 2
20 and 37.5
multiply by 5
100 and 187.5
100=100% and 187.5=187.5%
187.5-100=87.5%

87.5% increase
6 0
3 years ago
Which values are solutions to the inequality –3x – 4 < 2? Check all of the boxes that apply.
luda_lava [24]

Answer:

x>-2

Step-by-step explanation:

We will need to solve the inequality:

–3x – 4 < 2

Before starting we need to understand 1 rule of inequalities. That is:

We change the inequality sign whenever we multiply or divide by a negative number. That means

< changes to >

and

≥  change  to ≤

and vice versa...

Now, let's go ahead and solve the inequality:

-3x-4

"x" is the set of all values that is greater than "-2". So that's the answer.

x > -2

4 0
2 years ago
Read 2 more answers
HELP PLEASE THANK U
Solnce55 [7]
This is just my guess but I want to say no they are not similar because the first 10 + 5 = 15
8 + 5 = 13 not 12
To make it similar, 8 needs to be 7. This is ONLY my guess, I’m not 100% confident in my answer
5 0
3 years ago
Given α and β are Supplementary. Show the necessary steps.
user100 [1]

Answer:

\alpha = 108\degree, \: \beta = 72\degree

Step-by-step explanation:

α and β are Supplementary (given)

\therefore \alpha + \beta = 180\degree.... (1)

It is given that:

\alpha= \frac{3}{2} \beta

Plugging the value of α in equation (1), we find:

\frac{3}{2} \beta + \beta = 180\degree

\therefore  \frac{3+2}{2} \beta = 180\degree

\therefore  \frac{5}{2} \beta = 180\degree

\therefore   \beta = 180\degree\times \frac{2}{5}

\therefore   \beta = 72\degree

\implies   \alpha= \frac{3}{2} \times 72\degree= 108\degree

So,

\alpha = 108\degree, \: \beta = 72\degree

7 0
2 years ago
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