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3 years ago

1 Solve the following inequalities, Show your workings (a) 2x-3> 7

Mathematics

1 answer:

klio [65]3 years ago

7 0

Answer:

Step-by-step explanation:

2x > 7 + 3

2x > 10

divide 10 by 2

x> 5

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Find the endpoint:

scZoUnD [109]

Answer:

The coordinates of Point D are: (-5,-8)

Step-by-step explanation:

The formula for mid-point is given by:

$M = (\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2})$

For the point (x1,y1) and (x2,y2)

Given that

M = (-3, -6)

C = (-1, -4) => (x1,y1)

Putting the values of given points in the formula for mid-point

$(-3,-6) = (\frac{-1+x_2}{2} , \frac{-4+y_2}{2})$

Putting respective coordinates equal

$-3 = \frac{-1+x_2}{2}\\-6 =-1+x_2\\x_2=-6+1\\x_2 = -5\\AND\\-6 = \frac{-4+y_2}{2}\\-12 = -4+y_2\\y_2 = -12+4\\y_2 = -8$

Hence,

The coordinates of Point D are: (-5,-8)

3 0

2 years ago

The number sentence 4x7=4x3 + 4x4 is an example of what property?

GarryVolchara [31]

It the property of distributive

8 0

3 years ago

U divided by 7 is equal to -49

igomit [66]

The value of u is -343

please see the attached picture for full solution

Hope it helps

Good luck on your assignment

3 0

3 years ago

Read 2 more answers

How many 7 digit phone numbers are there assuming the first digit can't be a 0 or a 1?

Anettt [7]

The first digit can be any one of the numbers 2-9 That a total of 8 numbers.

The next 6 digits can be any permutation of 6 from the numbers 0 to 9.
(10 numbers)

nPr = n! / r!

so here we have 10P6 = 10! / 6! = 10*9*8*7 = 5040

So final answer is 8 * 5040 = 40,320

7 0

3 years ago

Please solve. NO EXPLAINATION NEEDED. I NEED ANSWER FAST

nexus9112 [7]

Answer:

11 and 22

Step-by-step explanation:

We can say that BC=2AC.

Since AB=33, AC=11 and BC=22.

4 0

1 year ago