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3 years ago

Which inequality is equivalent to the given inequality? -4(x+7)<3(x-2)

Mathematics

1 answer:

Maksim231197 [3]3 years ago

7 0

Answer:2.744

Step-by-step explanation:

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How to do question 5 and 6. Can you explain the first one which is A for 5 and 6? Thank you

Illusion [34]

for 6

in a

given

slope(m)=1

point=(2,-4)=(x1,y1)

we know

equation of straight line

y-y1=m(x-x1)

y+4=1(x-2)

y+4=x-2

therefore x-y-6=0 is the required equation

substituting with ax+by+c=0 we get

a=1

b= -1

c= -6

4 0

3 years ago

Find the value of each expression: 9P3

melamori03 [73]

Ask your teacher for help you didn't give us a lot of details at all . Sorry I could help you .

8 0

3 years ago

A number is five less than 3 time another number use x for the variable HURRY

maksim [4K]

Answer:

10, it's 5 less than 5 times 3

Step-by-step explanation:

8 0

2 years ago

Subtract -13xy from -5xy so -5xy -(-13xy)=?

S_A_V [24]

Answer:

8xy

Step-by-step explanation:

Subtract -13xy from -5xy

-5xy - (-13xy) =

-5xy + 13xy =

8xy

good luck, i hope this helps:)

3 0

2 years ago

Read 2 more answers

Help please!! i don’t understand this one!

12345 [234]

Answer:

C, D

Step-by-step explanation:

This equation can be solved any of several ways. One that doesn't require much thought is using the quadratic formula.

For ax² +bx +c = 0, the solutions are ...

$x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

In the given equation, a=2, b=11, c=5, so this becomes ...

$x=\dfrac{-11\pm\sqrt{11^2-4\cdot2\cdot5}}{2\cdot2}=\dfrac{-11\pm\sqrt{81}}{4}\\\\x=\dfrac{-11\pm9}{4}=\left\{-\dfrac{20}{4},-\dfrac{2}{4}\right\}=\{-5,-\frac{1}{2}\}$

The solutions are ...

C. x = -5

D. x = -1/2

_____

My personal favorite is using a graphing calculator. The solutions are the x-intercepts of the expression on the left. That is, where its value is zero, as the equation says.

5 0

3 years ago