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3 years ago

PLEASE HELLPPP MEEEEE

Mathematics

1 answer:

I am Lyosha [343]3 years ago

6 0

Answer:

2x - 3y = 24

Step-by-step explanation:

You use the formula Ax ± By = C.

This is the standard linear equation form.

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Pls help me with these three problems asap. Write a number under the radical (square root symbol) that makes the statement true

blagie [28]

Answer:

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Step-by-step explanation:

6 0

3 years ago

Solve 12 = x/4 algebraically. Then, check your answer.

Cloud [144]

X= 48
this is found by simplifying both sides of the equation , then isolating the variable

6 0

3 years ago

Please help me out with this

Naily [24]

Answer:

y = -3x - 2

Step-by-step explanation:

Equation of a line passing through $(x_1,y_1)$ and slope m is,

$y-y_1=m(x-x_1)$

Slope of a line passing through $(x_1,y_1)$ and $(x_2,y_2)$ is,

Slope = $\frac{y_2-y_1}{x_2-x_1}$

Slope of the line passing through (0, -2) and (1, -5) will be,

Slope = $\frac{-2+5}{0-1}$

m = - 3

Therefore, equation of the line passing through (0, -2) and slope = -3 will be,

y + 2 = -3(x - 0)

y + 2 = -3x

y = -3x - 2

8 0

3 years ago

Choose the fraction equivalent to 1? a)1/1, b)1/2,c)1/3,d)2/4

worty [1.4K]

Answer:

1/1 is the answer........

7 0

3 years ago

Right triangles abc and dbc with right angle c are given below. If cos(a)=15,ab=12 and cd=2, find the length of bd.

dmitriy555 [2]

see the attached figure to better understand the problem

we have that

$cos(A)=\frac{1}{5} \\ AB=12\ units\\ CD=2\ units$

Step 1

Find the value of AC

we know that

in the right triangle ABC

$cos (A)=(AC/AB)\\AC=AB*cos(A)$

substitute the values in the formula

$AC=12*(1/5)\\ AC=2.4\ units$

Step 2

Find the value of BC

we know that

in the right triangle ABC

Applying the Pythagorean Theorem

$AB^{2} =AC^{2}+BC^{2}\\ BC^{2}=AB^{2} -AC^{2}$

substitute the values

$BC^{2}=12^{2} -2.4^{2}\\BC^{2}= 138.24\\ BC=11.76\ units$

Step 3

Find the value of BD

we know that

in the right triangle BCD

Applying the Pythagorean Theorem

$BD^{2} =DC^{2}+BC^{2}$

substitute the values

$BD^{2} =2^{2}+11.76^{2}$

$BD=11.93\ units$

therefore

the answer is

the length of BD is 11.93 units

8 0

3 years ago

Read 2 more answers