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2 years ago

83 POINTS FOR WHOEVER ANSWERS THESE QUESTIONS: PICTURES

Mathematics

2 answers:

motikmotik2 years ago

7 0

Answer:

y=sqrt((x+a)/-2b))

F=(5/9)C+32

Can't read the rest

Step-by-step explanation:

-2by^2=x+a

y^2=(x+a)/-2b

y=sqrt((x+a)/-2b))

F-32=(5/9)C

F=(5/9)C+32 (The actual Fahrenheit-Celcius formula)

NOTE: The other pictures cannot be opened.

Rus_ich [418]2 years ago

7 0

Hi there! Im going to answer the subject of the formula x=a-2b^2

To find you need to subtract the a to the negative 2 which is going to be -1

So the actual Fahrenheit-Celcius formula is F=(5/9)C+32

Hope this helps

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5400÷90=540 tens÷9 tens

solniwko [45]

Hmmm, I'm guessing your asking if that's correct, if so, yes

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2 years ago

(-3x + 7) + (-6x + 9) = pls help :)

babymother [125]

Answer:

-9x+16

Step-by-step explanation:

-3x+7+-6x+9=-9x+16

-3-6= (tecnectly adding but put negative sign with ur answer!)

7+9=16

Put together and Done!

Hope helps :D

4 0

2 years ago

A construction contractor used the equation Y=KX to determine it would cost him $4.90 to buy 2 boxes of nails. How much in each

dem82 [27]

Data: (adopting)
Y = $4.90
K = 2 boxes
x = ? (how much in each box)

Solving:
 $Y = K*X$
$4.90 = 2*X$
$4.90 = 2X$
$2X = 4.90$
$X = \frac{4.90}{2}$
$\boxed{\boxed{X = \$\:2.45\:each\:box}}\end{array}}\qquad\quad\checkmark$

8 0

2 years ago

Multiple Choice 1. [x] + 5 = 18 (1 point) 5 or-5 13 or -13 18 or -18 23 or-23

Natasha2012 [34]

The correct answer is 13.

3 0

2 years ago

Read 2 more answers

Determine the value of the following if it is possible. If it is not possible, explain.

dmitriy555 [2]

Option D:

The dimensions of the matrices don't align properly to find their sum.

Solution:

Given data:

$\left[\begin{array}{c}3 \\-2\end{array}\right]+\left[\begin{array}{cc}5 & -3 \\1 & 4\end{array}\right]$

Dimension of matrix = Number of rows × Number of columns

Dimension of matrix $\left[\begin{array}{c}3 \\-2\end{array}\right]$ is 2 × 1

Dimension of matrix $\left[\begin{array}{cc}5 & -3 \\1 & 4\end{array}\right]$ is 2 × 2

Here, we have to add the two matrices.

The dimension of the matrices must be same to add or subtract matrices.

Here the dimensions are 2 × 1 and 2 × 2.

The dimensions are not same.

Hence we can't find their sum.

Option D is the correct answer.

The dimensions of the matrices don't align properly to find their sum.

7 0

2 years ago